Quote:
webform6.aspx.cs 代码
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;
namespace Study
{
/// <summary>
/// WebForm6 的摘要说明。
/// </summary>
public class WebForm6 : System.Web.UI.Page
{
protected System.Data.SqlClient.SqlConnection sqlConnection1;
protected System.Data.SqlClient.SqlCommand sqlCommand1;
protected System.Web.UI.WebControls.ListBox ListBox1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!this.IsPostBack)
{
sqlConnection1.ConnectionString=ConfigurationSettings.AppSettings["connectionstring2"];
sqlCommand1.CommandText="SELECT name,code From Table1";
sqlCommand1.Connection=sqlConnection1;
sqlConnection1.Open();
ListBox1.DataSource=sqlCommand1.ExecuteReader();
ListBox1.DataTextField="code";
ListBox1.DataValueField="name";
ListBox1.DataBind();
sqlConnection1.Close();
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
this.sqlCommand1 = new System.Data.SqlClient.SqlCommand();
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
Quote:
web.config中的appsettings
<appSettings>
<add key="connectionstring1" value="serve=(local);user id=sa;pwd=smart;database=test"/>
<add key="connectionstring2" value="serve=(local);user id=sa;pwd=smart;database=test1"/>
</appSettings>
