eployee.aspx.cs文件的完整代码

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace WebUI
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
BindGrid();
}

protected void BindGrid()
{
BLL.EmployeeBLL empBLL = new BLL.EmployeeBLL();
dgdShowData.DataSource = empBLL.GetEmployee();
dgdShowData.DataBind();

}

protected void btnSearch_Click(object sender, EventArgs e)
{
BLL.EmployeeBLL empBLL = new BLL.EmployeeBLL();
dgdShowData.DataSource = empBLL.GetEmployee(txtName.Text);
dgdShowData.DataBind();
}

protected void btnAdd_Click(object sender, EventArgs e)
{
Response.Redirect("EmployeeDetails.aspx?id=-1");
}

protected void dgdShowData_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
//删除一条数据
int id = (int)dgdShowData.DataKeys[e.RowIndex].Value;
BLL.EmployeeBLL empBLL = new BLL.EmployeeBLL();
lblMsg.Text = empBLL.DeleteEmployee(id);
BindGrid();
}

protected void chkSelectAll_CheckedChanged(object sender, EventArgs e)
{
//全选操作
for (int i = 0; i < dgdShowData.Rows.Count; i++)
{
//CheckBox ch = (CheckBox)dgdShowData.Rows[i].FindControl("CheckBox1");
//ch.Checked=true;

((CheckBox)dgdShowData.Rows[i].FindControl("CheckBox1")).Checked = ((CheckBox)sender).Checked;
}
}

protected void btnDeleteAll_Click(object sender, EventArgs e)
{
//批量删除
string ids = "";

for (int i = 0; i < dgdShowData.Rows.Count; i++)
{
if (((CheckBox)dgdShowData.Rows[i].FindControl("CheckBox1")).Checked)
ids += dgdShowData.DataKeys[i].Value + ",";//把想要添加的键值添加到数组中
}

BLL.EmployeeBLL empBLL = new BLL.EmployeeBLL();
ids = ids.Substring(0, ids.Length - 1);
lblMsg.Text = empBLL.DeleteEmployee(ids);
BindGrid();
}

protected void btnDelete_Click(object sender, EventArgs e)
{
//乱添加的
}
}
}

using System;
using System.Data;

namespace DAL
{
public class EmployeeDAL
{
public DataTable GetEmployee()
{
SQLHelp db = new SQLHelp();
return db.FillTable("select * from vw_Employee");
}

public DataTable GetEmployee(int id)
{
SQLHelp db = new SQLHelp();
return db.FillTable("select * from vw_Employee where [id]=" + id);
}

public DataTable GetEmployee(string name)
{
SQLHelp db = new SQLHelp();
return db.FillTable("select * from vw_Employee where [name] like '%" + name + "%'");
}

public string InsertEmployee(Model.Employee emp)
{
string sql = "insert into employee values('" + emp.Name + "','" + emp.Gender + "','" + emp.Birthday + "','" + emp.Phone + "','" + emp.Email + "'," + emp.DepID + ",'" + emp.Remark + "')";
SQLHelp db = new SQLHelp();
int i = db.ExecQuery(sql);

switch (i)
{
case -2:
sql = "数据库连接异常！请检查您的数据库或联系管理员！";
break;
case -1:
sql = "数据库操作异常！请检查您的数据或联系管理员！";
break;
case 0:
sql = "没有影响到任何数据！";
break;
default:
sql = "成功添加" + i + "条数据！";
break;
}

return sql;
}

public string UpdateEmployee(Model.Employee emp)
{
string sql = "update employee set [Name]='" + emp.Name + "' where [ID]=" + emp.ID;
SQLHelp db = new SQLHelp();
int i = db.ExecQuery(sql);

switch (i)
{
case -2:
sql = "数据库连接异常！请检查您的数据库或联系管理员！";
break;
case -1:
sql = "数据库操作异常！请检查您的数据或联系管理员！";
break;
case 0:
sql = "没有影响到任何数据！";
break;
default:
sql = "成功修改" + i + "条数据！";
break;
}

return sql;
}

public string DeleteEmployee(int id)
{
string sql = "delete employee where [ID]=" + id;
SQLHelp db = new SQLHelp();
int i = db.ExecQuery(sql);

switch (i)
{
case -2:
sql = "数据库连接异常！请检查您的数据库或联系管理员！";
break;
case -1:
sql = "数据库操作异常！请检查您的数据或联系管理员！";
break;
case 0:
sql = "没有影响到任何数据！";
break;
default:
sql = "成功删除" + i + "条数据！";
break;
}

return sql;
}

public string DeleteEmployee(string ids)//删除多参数的键值·······
{
string sql = "delete employee where [ID] in (" + ids + ")";
SQLHelp db = new SQLHelp();
int i = db.ExecQuery(sql);

switch (i)
{
case -2:
sql = "数据库连接异常！请检查您的数据库或联系管理员！";
break;
case -1:
sql = "数据库操作异常！请检查您的数据或联系管理员！";
break;
case 0:
sql = "没有影响到任何数据！";
break;
default:
sql = "成功删除" + i + "条数据！";
break;
}

return sql;
}
}
}