生成工具-CodeSmith-享受编程的乐趣（二）

第二层数据访问层，对底层的数据库访问作一些包装供业务层调用生成的代码如下：

代码中主要生成了针对每个数据库表的inf类了对这些表中的记录管理的基类Manager_Base类


using System;


using System.Data;


using Keyss.Framework;




namespace Keyss.Framework






{




ArticleClassInf#region ArticleClassInf


public class ArticleClassInf






{




protected fields#region protected fields


protected Guid _iD = Guid.Empty;


protected Guid _parentID = Guid.Empty;


protected string _name = String.Empty;


protected string _description = String.Empty;


protected int _orderBy;


protected string _imgUrl = String.Empty;


protected string _iconUrl = String.Empty;


#endregion






public properties#region public properties


public Guid ID






{




get

{return _iD;}




set

{_iD = value;}


}


public Guid ParentID






{




get

{return _parentID;}




set

{_parentID = value;}


}


public string Name






{




get

{return _name;}




set

{_name = value;}


}


public string Description






{




get

{return _description;}




set

{_description = value;}


}


public int OrderBy






{




get

{return _orderBy;}




set

{_orderBy = value;}


}


public string ImgUrl






{




get

{return _imgUrl;}




set

{_imgUrl = value;}


}


public string IconUrl






{




get

{return _iconUrl;}




set

{_iconUrl = value;}


}


#endregion






public methods#region public methods


public virtual void Populate(System.Data.SqlClient.SqlDataReader reader)






{


try






{


_iD = reader.GetGuid(0);


if (!reader.IsDBNull(1))


_parentID = reader.GetGuid(1);


else


_parentID = Guid.Empty;


_name = reader.GetString(2);


_description = reader.GetString(3);


_orderBy = reader.GetInt32(4);


_imgUrl = reader.GetString(5);


_iconUrl = reader.GetString(6);


}


catch






{


throw new FormatException("DataReader format error!");


}


}




public virtual void Populate(DataRow row)






{


try






{


_iD = (Guid)row[0];


if(!(row[1] is DBNull))


_parentID = (Guid)row[1];


else


_parentID = Guid.Empty;


_name = (string)row[2];


_description = (string)row[3];


_orderBy = (int)row[4];


_imgUrl = (string)row[5];


_iconUrl = (string)row[6];


}


catch






{


throw new FormatException("DataRow format error!");


}


}


#endregion


}


#endregion




ArticleClassManager_Base#region ArticleClassManager_Base


public class ArticleClassManager_Base






{




Insert Update Delete#region Insert Update Delete


public static void Insert(ArticleClassInf articleClassInf)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[9];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleClassInf.ID;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ParentID",System.Data.SqlDbType.UniqueIdentifier);


if(articleClassInf.ParentID == Guid.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = articleClassInf.ParentID;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@Name",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.Name;


para.Size = 128;


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@Description",System.Data.SqlDbType.NText);


para.Value = articleClassInf.Description;


para.Size = 1073741823;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.Int);


para.Value = articleClassInf.OrderBy;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@ImgUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.ImgUrl;


para.Size = 128;


paras[5] = para;


para = new System.Data.SqlClient.SqlParameter("@IconUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.IconUrl;


para.Size = 128;


paras[6] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 0;


paras[7] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[8] = para;


helper.Open();


System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_ArticleClass_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


SqlHelper.ThrowSQLError((int)paras[8].Value);


throw new Exception("The inserted record in the table 'A_ArticleClass' can't been selected! ");


}


articleClassInf.Populate(RD);


RD.Close();


helper.Close();


}


public static void Delete(Guid iD)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 1;


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[2] = para;


helper.ExecuteNonQuery("A_ArticleClass_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[2].Value);


}


public static void Update(ArticleClassInf articleClassInf)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[9];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleClassInf.ID;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ParentID",System.Data.SqlDbType.UniqueIdentifier);


if(articleClassInf.ParentID == Guid.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = articleClassInf.ParentID;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@Name",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.Name;


para.Size = 128;


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@Description",System.Data.SqlDbType.NText);


para.Value = articleClassInf.Description;


para.Size = 1073741823;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.Int);


para.Value = articleClassInf.OrderBy;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@ImgUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.ImgUrl;


para.Size = 128;


paras[5] = para;


para = new System.Data.SqlClient.SqlParameter("@IconUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleClassInf.IconUrl;


para.Size = 128;


paras[6] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 2;


paras[7] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[8] = para;


helper.ExecuteNonQuery("A_ArticleClass_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[8].Value);


}


#endregion




Select#region Select


public static bool CheckByID(Guid iD)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


whereSql += string.Format("ID = '{0}'",iD);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


int foundNumber = (int)helper.ExecuteScalar("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


return (foundNumber==1)?true:false;


}




public static ArticleClassInf GetByID(Guid iD)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


whereSql += string.Format("ID = '{0}'",iD);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_ArticleClass' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static bool CheckByParentIDAndName(Guid parentID,string name)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


if(parentID==Guid.Empty)


whereSql += "ParentID is Null";


else


whereSql += string.Format("ParentID = '{0}'",parentID);


whereSql += " AND " + string.Format("Name = '{0}'",name);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


int foundNumber = (int)helper.ExecuteScalar("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


return (foundNumber==1)?true:false;


}




public static ArticleClassInf GetByParentIDAndName(Guid parentID,string name)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


if(parentID==Guid.Empty)


whereSql += "ParentID is Null";


else


whereSql += string.Format("ParentID = '{0}'",parentID);


whereSql += " AND " + string.Format("Name = '{0}'",name);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_ArticleClass' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static DataTable GetAll(string fieldsName, string whereSql, string orderBy)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


if((fieldsName==null)||fieldsName.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = fieldsName;


}


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


if((whereSql==null)||whereSql.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = whereSql;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.NVarChar,128);


if((orderBy==null)||orderBy.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = orderBy;


}


paras[2] = para;




result =helper.ExecuteQuery("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);




helper.Close();


return result;


}


public static DataTable GetPageData(string fieldsName, string whereSql, string orderBy,out int recordCount, ref int pageIndex, int pageSize)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[6];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


if((fieldsName==null)||fieldsName.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


string[] newfieldnames = fieldsName.ToUpper().Split(',');


fieldsName = "";


for(int i=0;i<newfieldnames.Length;i++)






{


if(!newfieldnames[i].Trim().StartsWith("A."))


fieldsName += "A.";


fieldsName += newfieldnames[i];


if(i!=newfieldnames.Length -1)


fieldsName += ", ";


}


para.Value = fieldsName;


}


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


if((whereSql==null)||whereSql.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = whereSql;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.NVarChar,128);


if((orderBy==null)||orderBy.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = orderBy;


}


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@RecordCount",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.Output;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@PageIndex",System.Data.SqlDbType.Int);


para.Value = pageIndex;


para.Direction = System.Data.ParameterDirection.InputOutput;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@PageSize",System.Data.SqlDbType.Int);


para.Value = pageSize;


paras[5] = para;


result =helper.ExecuteQuery("A_ArticleClass_GetPageData",System.Data.CommandType.StoredProcedure,paras);


pageIndex = (int)paras[4].Value;


recordCount = (int)paras[3].Value;


helper.Close();


return result;


}


public static DataTable GetAllByParentID(Guid parentID, string fieldsName, string whereSql, string orderBy)






{


string whereSql1 = "";


if(parentID==Guid.Empty)


whereSql1 += "ParentID is Null";


else


whereSql1 += string.Format("ParentID = '{0}'",parentID);


if(!((whereSql==null)||whereSql.Trim()==string.Empty))






{


whereSql1 += " AND (" + whereSql + ")";


}


return GetAll(fieldsName, whereSql1, orderBy);


}


public static DataTable GetPageDataByParentID(Guid parentID, string fieldsName, string whereSql, string orderBy,out int recordCount, ref int pageIndex, int pageSize)






{


string whereSql1 = "";


if(parentID==Guid.Empty)


whereSql1 += "ParentID is Null";


else


whereSql1 += string.Format("ParentID = '{0}'",parentID);


if(!((whereSql==null)||whereSql.Trim()==string.Empty))






{


whereSql1 += " AND (" + whereSql + ")";


}


return GetPageData(fieldsName, whereSql1, orderBy,out recordCount, ref pageIndex, pageSize);


}


#endregion




Other method#region Other method


public static int GetRecordNumber(string whereSql)






{


int result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "Count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


result =(int)helper.ExecuteScalar("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


return result;


}


#endregion




tree related methods#region tree related methods


public static void AddRoot(ArticleClassInf node)






{


node.ParentID = Guid.Empty;


ArticleClassManager_Base.Insert(node);


}


public static ArticleClassInf GetByFullName( string fullName)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


whereSql += "[dbo].A_ArticleClass_GetFullName(";


whereSql += "ID";


whereSql += string.Format(")='{0}'",fullName);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_ArticleClass' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static ArticleClassInf GetByFullID( string fullID)






{


ArticleClassInf result = new ArticleClassInf();


string whereSql = "";


whereSql += "[dbo].A_ArticleClass_GetFullID(";


whereSql += "ID";


whereSql += string.Format(")='{0}'",fullID);




System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_ArticleClass_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_ArticleClass' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static DataTable GetRoots()






{


DataTable result;


SqlHelper helper = KeyssConfig.DatabaseHelper;


string SelectSql = "Select * from A_ArticleClass where ParentID is null";


result =helper.ExecuteQuery(SelectSql);


return result;


}


public static int GetMaxLevel()






{


int result;


string paraStr = "Select [dbo].A_ArticleClass_GetMaxLevel(";


paraStr += ")";


SqlHelper helper = KeyssConfig.DatabaseHelper;


result =(int)helper.ExecuteScalar(paraStr);


return result;


}


public static void CopyChildren(Guid iD,Guid fromID)






{


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@FromID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = fromID;


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[2] = para;


helper.ExecuteNonQuery("A_ArticleClass_CopyChildren",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[2].Value);


}


public static DataTable GetChildren(Guid iD)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[1] = para;


result =helper.ExecuteQuery("A_ArticleClass_GetChildren",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[1].Value);


return result;


}


public static DataTable GetNonChildren(Guid iD)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[1] = para;


result =helper.ExecuteQuery("A_ArticleClass_GetNonChildren",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[1].Value);


return result;


}


public static DataTable GetParents(Guid iD)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[1] = para;


result =helper.ExecuteQuery("A_ArticleClass_GetParents",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[1].Value);


return result;


}


public static void MoveTo(Guid iD,Guid newParentID)






{


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@NewParentID",System.Data.SqlDbType.UniqueIdentifier);


if(newParentID==Guid.Empty)






{


para.Value = System.DBNull.Value;


}else






{


para.Value = newParentID;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[2] = para;


helper.ExecuteNonQuery("A_ArticleClass_MoveTo",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[2].Value);


}


#endregion


}


#endregion






ArticleInf#region ArticleInf


public class ArticleInf






{




protected fields#region protected fields


protected Guid _iD = Guid.Empty;


protected Guid _articleClassID = Guid.Empty;


protected string _title = String.Empty;


protected string _content = String.Empty;


protected bool _isNew;


protected bool _isTop;


protected int _orderBy;


protected string _imgUrl = String.Empty;


protected DateTime _createTime;


protected string _userName = String.Empty;


protected string _author = String.Empty;


protected string _keywords = String.Empty;


#endregion






public properties#region public properties


public Guid ID






{




get

{return _iD;}




set

{_iD = value;}


}


public Guid ArticleClassID






{




get

{return _articleClassID;}




set

{_articleClassID = value;}


}


public string Title






{




get

{return _title;}




set

{_title = value;}


}


public string Content






{




get

{return _content;}




set

{_content = value;}


}


public bool IsNew






{




get

{return _isNew;}




set

{_isNew = value;}


}


public bool IsTop






{




get

{return _isTop;}




set

{_isTop = value;}


}


public int OrderBy






{




get

{return _orderBy;}




set

{_orderBy = value;}


}


public string ImgUrl






{




get

{return _imgUrl;}




set

{_imgUrl = value;}


}


public DateTime CreateTime






{




get

{return _createTime;}




set

{_createTime = value;}


}


public string UserName






{




get

{return _userName;}




set

{_userName = value;}


}


public string Author






{




get

{return _author;}




set

{_author = value;}


}


public string Keywords






{




get

{return _keywords;}




set

{_keywords = value;}


}


#endregion






public methods#region public methods


public virtual void Populate(System.Data.SqlClient.SqlDataReader reader)






{


try






{


_iD = reader.GetGuid(0);


_articleClassID = reader.GetGuid(1);


_title = reader.GetString(2);


_content = reader.GetString(3);


_isNew = reader.GetBoolean(4);


_isTop = reader.GetBoolean(5);


_orderBy = reader.GetInt32(6);


_imgUrl = reader.GetString(7);


_createTime = reader.GetDateTime(8);


_userName = reader.GetString(9);


_author = reader.GetString(10);


_keywords = reader.GetString(11);


}


catch






{


throw new FormatException("DataReader format error!");


}


}




public virtual void Populate(DataRow row)






{


try






{


_iD = (Guid)row[0];


_articleClassID = (Guid)row[1];


_title = (string)row[2];


_content = (string)row[3];


_isNew = (bool)row[4];


_isTop = (bool)row[5];


_orderBy = (int)row[6];


_imgUrl = (string)row[7];


_createTime = (DateTime)row[8];


_userName = (string)row[9];


_author = (string)row[10];


_keywords = (string)row[11];


}


catch






{


throw new FormatException("DataRow format error!");


}


}


#endregion


}


#endregion




ArticleManager_Base#region ArticleManager_Base


public class ArticleManager_Base






{




Insert Update Delete#region Insert Update Delete


public static void Insert(ArticleInf articleInf)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[14];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleInf.ID;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ArticleClassID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleInf.ArticleClassID;


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@Title",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Title;


para.Size = 256;


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@Content",System.Data.SqlDbType.NText);


para.Value = articleInf.Content;


para.Size = 1073741823;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@IsNew",System.Data.SqlDbType.Bit);


para.Value = articleInf.IsNew;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@IsTop",System.Data.SqlDbType.Bit);


para.Value = articleInf.IsTop;


paras[5] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.Int);


para.Value = articleInf.OrderBy;


paras[6] = para;


para = new System.Data.SqlClient.SqlParameter("@ImgUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.ImgUrl;


para.Size = 128;


paras[7] = para;


para = new System.Data.SqlClient.SqlParameter("@CreateTime",System.Data.SqlDbType.DateTime);


para.Value = articleInf.CreateTime;


paras[8] = para;


para = new System.Data.SqlClient.SqlParameter("@UserName",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.UserName;


para.Size = 64;


paras[9] = para;


para = new System.Data.SqlClient.SqlParameter("@Author",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Author;


para.Size = 16;


paras[10] = para;


para = new System.Data.SqlClient.SqlParameter("@Keywords",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Keywords;


para.Size = 256;


paras[11] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 0;


paras[12] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[13] = para;


helper.Open();


System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_Article_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


SqlHelper.ThrowSQLError((int)paras[13].Value);


throw new Exception("The inserted record in the table 'A_Article' can't been selected! ");


}


articleInf.Populate(RD);


RD.Close();


helper.Close();


}


public static void Delete(Guid iD)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = iD;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 1;


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[2] = para;


helper.ExecuteNonQuery("A_Article_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[2].Value);


}


public static void Update(ArticleInf articleInf)






{


SqlHelper helper = KeyssConfig.DatabaseHelper;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[14];


System.Data.SqlClient.SqlParameter para;


para = new System.Data.SqlClient.SqlParameter("@ID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleInf.ID;


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@ArticleClassID",System.Data.SqlDbType.UniqueIdentifier);


para.Value = articleInf.ArticleClassID;


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@Title",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Title;


para.Size = 256;


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@Content",System.Data.SqlDbType.NText);


para.Value = articleInf.Content;


para.Size = 1073741823;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@IsNew",System.Data.SqlDbType.Bit);


para.Value = articleInf.IsNew;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@IsTop",System.Data.SqlDbType.Bit);


para.Value = articleInf.IsTop;


paras[5] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.Int);


para.Value = articleInf.OrderBy;


paras[6] = para;


para = new System.Data.SqlClient.SqlParameter("@ImgUrl",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.ImgUrl;


para.Size = 128;


paras[7] = para;


para = new System.Data.SqlClient.SqlParameter("@CreateTime",System.Data.SqlDbType.DateTime);


para.Value = articleInf.CreateTime;


paras[8] = para;


para = new System.Data.SqlClient.SqlParameter("@UserName",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.UserName;


para.Size = 64;


paras[9] = para;


para = new System.Data.SqlClient.SqlParameter("@Author",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Author;


para.Size = 16;


paras[10] = para;


para = new System.Data.SqlClient.SqlParameter("@Keywords",System.Data.SqlDbType.NVarChar);


para.Value = articleInf.Keywords;


para.Size = 256;


paras[11] = para;


para = new System.Data.SqlClient.SqlParameter("@Action",System.Data.SqlDbType.Int);


para.Value = 2;


paras[12] = para;


para = new System.Data.SqlClient.SqlParameter("@ReturnValue",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.ReturnValue;


paras[13] = para;


helper.ExecuteNonQuery("A_Article_InsertDeleteUpdate",System.Data.CommandType.StoredProcedure,paras);


SqlHelper.ThrowSQLError((int)paras[13].Value);


}


#endregion




Select#region Select


public static bool CheckByID(Guid iD)






{


ArticleInf result = new ArticleInf();


string whereSql = "";


whereSql += string.Format("ID = '{0}'",iD);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


int foundNumber = (int)helper.ExecuteScalar("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);


return (foundNumber==1)?true:false;


}




public static ArticleInf GetByID(Guid iD)






{


ArticleInf result = new ArticleInf();


string whereSql = "";


whereSql += string.Format("ID = '{0}'",iD);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_Article' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static bool CheckByArticleClassIDAndTitle(Guid articleClassID,string title)






{


ArticleInf result = new ArticleInf();


string whereSql = "";


whereSql += string.Format("ArticleClassID = '{0}'",articleClassID);


whereSql += " AND " + string.Format("Title = '{0}'",title);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


int foundNumber = (int)helper.ExecuteScalar("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);


return (foundNumber==1)?true:false;


}




public static ArticleInf GetByArticleClassIDAndTitle(Guid articleClassID,string title)






{


ArticleInf result = new ArticleInf();


string whereSql = "";


whereSql += string.Format("ArticleClassID = '{0}'",articleClassID);


whereSql += " AND " + string.Format("Title = '{0}'",title);


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[1];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[0] = para;




System.Data.SqlClient.SqlDataReader RD


= helper.ExecuteReader("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);


if(!RD.Read())






{


throw new Exception("The record in the table 'A_Article' doesn't exist! ");


}


result.Populate(RD);


RD.Close();


helper.Close();


return result;


}


public static DataTable GetAll(string fieldsName, string whereSql, string orderBy)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[3];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


if((fieldsName==null)||fieldsName.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = fieldsName;


}


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


if((whereSql==null)||whereSql.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = whereSql;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.NVarChar,128);


if((orderBy==null)||orderBy.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = orderBy;


}


paras[2] = para;




result =helper.ExecuteQuery("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);




helper.Close();


return result;


}


public static DataTable GetPageData(string fieldsName, string whereSql, string orderBy,out int recordCount, ref int pageIndex, int pageSize)






{


DataTable result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[6];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


helper.Open();


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


if((fieldsName==null)||fieldsName.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


string[] newfieldnames = fieldsName.ToUpper().Split(',');


fieldsName = "";


for(int i=0;i<newfieldnames.Length;i++)






{


if(!newfieldnames[i].Trim().StartsWith("A."))


fieldsName += "A.";


fieldsName += newfieldnames[i];


if(i!=newfieldnames.Length -1)


fieldsName += ", ";


}


para.Value = fieldsName;


}


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


if((whereSql==null)||whereSql.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = whereSql;


}


paras[1] = para;


para = new System.Data.SqlClient.SqlParameter("@OrderBy",System.Data.SqlDbType.NVarChar,128);


if((orderBy==null)||orderBy.Trim()==string.Empty)






{


para.Value = System.DBNull.Value;


}


else






{


para.Value = orderBy;


}


paras[2] = para;


para = new System.Data.SqlClient.SqlParameter("@RecordCount",System.Data.SqlDbType.Int);


para.Direction = System.Data.ParameterDirection.Output;


paras[3] = para;


para = new System.Data.SqlClient.SqlParameter("@PageIndex",System.Data.SqlDbType.Int);


para.Value = pageIndex;


para.Direction = System.Data.ParameterDirection.InputOutput;


paras[4] = para;


para = new System.Data.SqlClient.SqlParameter("@PageSize",System.Data.SqlDbType.Int);


para.Value = pageSize;


paras[5] = para;


result =helper.ExecuteQuery("A_Article_GetPageData",System.Data.CommandType.StoredProcedure,paras);


pageIndex = (int)paras[4].Value;


recordCount = (int)paras[3].Value;


helper.Close();


return result;


}


public static DataTable GetAllByArticleClassID(Guid articleClassID, string fieldsName, string whereSql, string orderBy)






{


string whereSql1 = "";


whereSql1 += string.Format("ArticleClassID = '{0}'",articleClassID);


if(!((whereSql==null)||whereSql.Trim()==string.Empty))






{


whereSql1 += " AND (" + whereSql + ")";


}


return GetAll(fieldsName, whereSql1, orderBy);


}


public static DataTable GetPageDataByArticleClassID(Guid articleClassID, string fieldsName, string whereSql, string orderBy,out int recordCount, ref int pageIndex, int pageSize)






{


string whereSql1 = "";


whereSql1 += string.Format("ArticleClassID = '{0}'",articleClassID);


if(!((whereSql==null)||whereSql.Trim()==string.Empty))






{


whereSql1 += " AND (" + whereSql + ")";


}


return GetPageData(fieldsName, whereSql1, orderBy,out recordCount, ref pageIndex, pageSize);


}


#endregion




Other method#region Other method


public static int GetRecordNumber(string whereSql)






{


int result;


System.Data.SqlClient.SqlParameter[] paras = new System.Data.SqlClient.SqlParameter[2];


System.Data.SqlClient.SqlParameter para;


SqlHelper helper = KeyssConfig.DatabaseHelper;


para = new System.Data.SqlClient.SqlParameter("@FieldsName",System.Data.SqlDbType.NVarChar,512);


para.Value = "Count(*) as foundNumber";


paras[0] = para;


para = new System.Data.SqlClient.SqlParameter("@Where",System.Data.SqlDbType.NVarChar,512);


para.Value = whereSql;


paras[1] = para;


result =(int)helper.ExecuteScalar("A_Article_GetAll",System.Data.CommandType.StoredProcedure,paras);


return result;


}


#endregion


}


#endregion




}