asp.net实现 EXCEL数据导入到数据库功能
注意：EXCEL中的第一行不能导入。
下面是源码：
IntoExcel.aspx：
[csharp]
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="IntoExcel.aspx.cs" Inherits="study_IntoExcel" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>无标题页</title>
<script language="javascript" type="text/javascript"><!--
// <!CDATA[
function check() {
var k=//S+/.[xls]/;
if(!k.test(document.getElementById("fileId").value))
{
alert("只能上次xls格式的文件");
return false;
}
return true;
}
// --></script>
</head>
<body>
<form id="form1" runat="server">
<p>
<p>
<asp:FileUpload ID="fileId" runat="server" />
<asp:Button ID="Button1" runat="server" Text="上传" OnClientClick="return check()" onclick="Button1_Click" /></p>
</p>
</form>
</body>
</html>
IntoExcel.aspx.cs
[csharp]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web.Security;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Web.UI.WebControls;
public partial class study_IntoExcel : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Button1_Click(object sender, EventArgs e)
{
string fileName = fileId.FileName;
string savePath = Server.MapPath("~/file/");
FileOperatpr(fileName, savePath);
fileId.SaveAs(savePath + fileName);
DataOperator(fileName, savePath);
}
/// <summary>
/// 数据操作
/// </summary>
/// <param name="fileName"></param>
/// <param name="savePath"></param>
private void DataOperator(string fileName, string savePath)
{
string myString = "Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " + savePath + fileName + ";Extended Properties=Excel 8.0";
OleDbConnection oconn = new OleDbConnection(myString);
oconn.Open();
DataSet ds = new DataSet();
OleDbDataAdapter oda = new OleDbDataAdapter("select * from [Sheet1$]", oconn);
oda.Fill(ds);
oconn.Close();
DataSetOperator(ds,savePath+fileName);
}
/// <summary>
/// 数据集操作
/// </summary>
/// <param name="ds"></param>
private void DataSetOperator(DataSet ds,string filePath)
{
SqlConnection conn = new SqlConnection("Data Source=SONYSVR;Initial Catalog=IAR_Factory_811;User ID=sa;Password=P@ssword");
conn.Open();
SqlTransaction str = conn.BeginTransaction();//利用事务处理 防止中断
int k = 0;
if (ds.Tables[0].Rows.Count < 1)
{
Response.Write("<script>alert('没有数据！')</script>");
return;
}
try
{
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
string sqlStr = "insert into IntoExcel(Tname,Tage,Taddress)values";
sqlStr +="('"+ ds.Tables[0].Rows[i][0].ToString()+"',";
sqlStr += ds.Tables[0].Rows[i][1].ToString()+",";
sqlStr +="'" +ds.Tables[0].Rows[i][2].ToString()+"')";
SqlCommand cmd = new SqlCommand(sqlStr, conn, str);
cmd.Transaction = str;
k += cmd.ExecuteNonQuery();
}
str.Commit();
}
catch (Exception ex)
{
Response.Write("发生异常,数据已回滚/n信息/n" + ex.Message);
str.Rollback();
}
finally
{
Response.Write("上传成功" + k + "条");
File.Delete(filePath);
}
}
/// <summary>
/// 文件操作
/// </summary>
/// <param name="fileName"></param>
/// <param name="savePath"></param>
private void FileOperatpr(string fileName, string savePath)
{
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
if (File.Exists(savePath + fileName))
{
File.Delete(savePath + fileName);
}
}
}
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + savePath + ";Extended Properties='Excel 8.0;HDR=YES
Provider=Microsoft.Jet.OLEDB.4.0;;//连接驱动
Data Source=" + savePath + "; // 数据库地址
Extended Properties='Excel 8.0; // 连接的是Excel8.0
HDR=YES;// 有两个值:YES/ NO, 这2个值，说了你是否能直接读列名，NO，只可以读下标
IMEX=1;//解决数字与字符混合时,识别不正常的情况.
这个读入数据库的方式不是最佳的，应该用office组件
select * from [Sheet1$] //引用EXCLE文件中sheet1工作表的内容
OleDB控件用的是OleDb的驱动程序，可以访问各种数据库
数据库中的字段：
[sql]
create table IntoExcel
(
Tid int identity(1,1) primary key,
Tname varchar(50),
Tage int,
Taddress varchar(200),
)
SQL控件用的是专用的驱动程序，能高效的访问SQL Server数据库
SQLConnection只能访问SQL Server，而OleDbConnection则可以访问所有数据库。
如果只是访问SQL Server的话，SQL比OleDb更快。
EXCEL数据
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