asp.net连接数据库读取数据示例分享

来源：动视网责编：小采时间：2020-11-27 22:40:12

asp.net连接数据库读取数据示例分享

asp.net连接数据库读取数据示例分享:webconfig配置: 代码如下:<connectionStrings> <add name=MSSQL connectionString=Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa; providerName=System.Data

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导读asp.net连接数据库读取数据示例分享:webconfig配置: 代码如下:<connectionStrings> <add name=MSSQL connectionString=Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa; providerName=System.Data

webconfig配置:

代码如下:
<connectionStrings>
<add name="MSSQL" connectionString="Data Source=localhost;Initial Catalog=test;User ID=sa;password=sa;" providerName="System.Data.SqlClient"/>
</connectionStrings>

前台aspx:

代码如下:
<%@ 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：

代码如下:
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;
}
}

asp.net连接数据库读取数据示例分享

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标签：实例 asp mysql数据

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