asp.net中Excel导入sql server数据库

**.aspx页面：



代码：

<div style="margin-top:15px;">

<asp:FileUpload ID="FileUpload1" runat="server" Width="305px" CssClass="reg_table_ctrolbtn" />

<asp:Button ID="Button1" class="reg_table_ctrolbtn" runat="server" OnClick="Button1_Click" Text="导入SQL" />

</div>

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**.aspx.cs页面

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.Data.OleDb;

using System.IO;

using System.Diagnostics;

using System.Configuration;

namespace Web.Admin.StudentInfo

{

public partial class importInfo : System.Web.UI.Page

{

string strConn = ConfigurationManager.ConnectionStrings["StuHelpConnectionString"].ConnectionString;

//string strConn = "Data Source=ying;DataBase=StuHelp;Uid=sa;Pwd=123"; //链接SQL数据库

protected void Page_Load(object sender, EventArgs e)

{

SqlConnection cn = new SqlConnection(strConn);

cn.Open();

//SqlDataAdapter sda = new SqlDataAdapter("select * from class", cn);

//DataSet ds = new DataSet();

//sda.Fill(ds);

//this.GridView1.DataSource = ds.Tables[0].DefaultView;

////this.GridView1.DataKeyNames = new string[] { "id" };

//this.GridView1.DataBind();

}

/// <summary>

/// 查询EXCEL电子表格添加到DATASET

/// </summary>

public DataSet ExecleDs(string filenameurl, string table)

{

string strConn = "Provider=Microsoft.Jet.OleDb.4.0;" + "data source=" + filenameurl + ";Extended Properties='Excel 8.0; HDR=YES; IMEX=1'";

OleDbConnection conn = new OleDbConnection(strConn);

conn.Open();

DataSet ds = new DataSet();

OleDbDataAdapter odda = new OleDbDataAdapter("select * from [Sheet1$]", conn);

odda.Fill(ds, table);

conn.Close();

return ds;

}

protected void Button1_Click(object sender, EventArgs e)

{

if (FileUpload1.HasFile == false)//HasFile用来检查FileUpload是否有指定文件

{

Response.Write("<script>alert('请您选择Excel文件')</script> ");

return;//当无文件时,返回

}

string IsXls = System.IO.Path.GetExtension(FileUpload1.FileName).ToString().ToLower();//System.IO.Path.GetExtension获得文件的扩展名

if (IsXls != ".xls")

{

Response.Write("<script>alert('只可以选择Excel文件')</script>");

return;//当选择的不是Excel文件时,返回

}

SqlConnection cn = new SqlConnection(strConn);

cn.Open();

string filename = DateTime.Now.ToString("yyyymmddhhMMss") + FileUpload1.FileName; //获取Execle文件名 DateTime日期函数

string savePath = Server.MapPath(("..\\StudentInfo\\getinfile\\") + filename);//Server.MapPath 获得虚拟服务器相对路径

FileUpload1.SaveAs(savePath); //SaveAs 将上传的文件内容保存在服务器上

//string savePath = @"D:\Users\Administrator.WIN-PFRMUGTM302\Desktop\新建 Microsoft Office Excel 工作表.xls";//Server.MapPath 获得虚拟服务器相对路径

DataSet ds = ExecleDs(savePath, "StudentInfo"); //调用自定义方法

File.Delete(savePath);

DataRow[] dr = ds.Tables[0].Select(); //定义一个DataRow数组

int rowsnum = ds.Tables[0].Rows.Count;

if (rowsnum == 0)

{

Response.Write("<script>alert('Excel表为空表,无数据!')</script>"); //当Excel表为空时,对用户进行提示

}

else

{

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

{

// int cardid = int.Parse(dr[i]["编号"].ToString());//日期 excel列名【名称不能变,否则就会出错】

string cardid = dr[i]["身份证号"].ToString();//编号 列名 以下类似

string stuname = dr[i]["姓名"].ToString();//编号 列名 以下类似

int depid = GetDepID(dr[i]["系部编号"].ToString());//日期 excel列

int proid = GetProID(dr[i]["专业编号"].ToString());//日期 excel列

int claid = GetClaID(dr[i]["班级编号"].ToString());//日期 excel列

DateTime stubirthday = DateTime.Parse(dr[i]["出生日期"].ToString());//日期 excel列

char stusex = char.Parse(dr[i]["性别"].ToString());//编号 列名 以下类似

string stunation = dr[i]["民族"].ToString();//编号 列名 以下类似

string stutype = dr[i]["考生类别"].ToString();//编号 列名 以下类似

string stunumber = dr[i]["考生号"].ToString();//编号 列名 以下类似

string stutestnum = dr[i]["学号"].ToString();//编号 列名 以下类似

string financeid = dr[i]["财务编号"].ToString();//编号 列名 以下类似

string politicsstatus = dr[i]["政治面貌"].ToString();//编号 列名 以下类似

string homeplace = dr[i]["家庭住址"].ToString();//编号 列名 以下类似

string scholldisplay = dr[i]["在校表现"].ToString();//编号 列名 以下类似

string sqlcheck = "select count(*) from studentinfo where CardID='" + cardid + "'"; //检查身份证号是否重复

SqlCommand sqlcmd = new SqlCommand(sqlcheck, cn);

int count = Convert.ToInt32(sqlcmd.ExecuteScalar());

if (count < 1)

{

string insertstr = "insert into StudentInfo(cardid,stuname,depid,proid,claid,stubirthday,stusex,stunation,stutype,stunumber,stutestnum,financeid,politicsstatus,homeplace,schooldisplay) values('" + cardid + "','" + stuname +"',"+depid+","+proid+","+claid+",'"+stubirthday+"','"+stusex+"','"+stunation+"','"+stutype+"','"+stunumber+"','"+stutestnum+"','"+financeid+"','"+politicsstatus+"','"+homeplace+"','"+scholldisplay+
"')";

//string insertstr = "insert into StudentInfo(cardid) values('" + cardid + "')";

SqlCommand cmd = new SqlCommand(insertstr, cn);

try

{

cmd.ExecuteNonQuery();

}

//catch (MembershipCreateUserException ex) //捕捉异常

catch (ExecutionEngineException ex) //捕捉异常

{

Response.Write("<script>alert('导入内容:" + ex.Message + "')</script>");

}

}

else

{

Response.Write("<script>alert('有内容重复！请跳过继续导入！');</script> ");

// Response.Write("<script> if (confirm('错误：有记录重复。是否跳过？') == true) {alert('我是我是确定');}else {alert('我是取消');}</script> ");

continue;

}

}

Response.Write("<script>alert('Excle表导入成功!');location='list.aspx';</script>");

}

}

#region 把对应字段根据相关表改变类型值

public int GetDepID(string name)//根据系部名称得到系部编号

{

DAL.StuDepartment dll = new DAL.StuDepartment();

return dll.GetDepartmentID(name);

}

public int GetProID(string name)//根据专业名称得到专业编号

{

DAL.StuProfession dll = new DAL.StuProfession();

return dll.GetProfessionID(name);

}

public int GetClaID(string name)//根据班级名称得到班级编号

{

DAL.StuClass dll = new DAL.StuClass();

return dll.GetClassID(name);

}

#endregion

}

}

如果有问题欢迎提问!