webconfig配置:
<connectionStrings>
<add name="MSSQL" connectionString="Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa;" providerName="System.Data.SqlClient"/>
</connectionStrings>
前台aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DB.aspx.cs" Inherits="DB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>DB</title>
</head>
<body>
<form id="form1" runat="server">
<div>
MS SQL<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</div>
</form>
</body>
</html>
后台代码：
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.Common;//記得要using
using System.Configuration;
public partial class DB : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataSet dsMSSQL = GetDataSet("select * from [Table]", "MSSQL");
this.GridView1.DataSource = dsMSSQL;
this.GridView1.DataBind();
}
protected DataSet GetDataSet(string SqlCommand,string DB)
{
DbProviderFactory dbProviderFactory = DbProviderFactories.GetFactory(ConfigurationManager.ConnectionStrings[DB].ProviderName);
DbConnection dbConnection = dbProviderFactory.CreateConnection();
dbConnection.ConnectionString = ConfigurationManager.ConnectionStrings[DB].ConnectionString;
DataSet ds = new DataSet();
DbCommand dbCommand = dbProviderFactory.CreateCommand();
dbCommand.Connection = dbConnection;
DbDataAdapter dbDataAdapter = dbProviderFactory.CreateDataAdapter();
dbCommand.CommandText = SqlCommand;
dbDataAdapter.SelectCommand = dbCommand;
dbDataAdapter.Fill(ds);
return ds;
}
}
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