webform1.aspx.cs

C#2005 实例源代码

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class WebForm1 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
            InitData();
    }
    /// <summary>
    /// 把SQLServer示例数据库：NorthWind，表Categories中的数据绑定到DataGrid1
    /// </summary>
    protected void InitData()
    {
        //连接数据库
        SqlConnection myCon = new SqlConnection();
        myCon.ConnectionString = "Persist Security Info=False;User id=sa;pwd=sa;database=northwind;server=(local)";
        myCon.Open();

        //使用SqlCommand提交查询命令
        SqlCommand selectCMD = new SqlCommand("SELECT * FROM Categories", myCon);

        //获取数据适配器
        SqlDataAdapter da = new SqlDataAdapter();
        da.SelectCommand = selectCMD;

        //填充DataSet
        DataSet ds = new DataSet();
        da.Fill(ds);

        //将DataSet中的数据绑定到DropDownList1
        Repeater1.DataSource = ds;
        Repeater1.DataBind();

        //断开连接
        myCon.Close();
    }

    /// <summary>
    /// 在Repeater上的按钮单击时触发的事件
    /// </summary>
    /// <param name="source"></param>
    /// <param name="e"></param>
    protected void Repeater1_ItemCommand(object source, System.Web.UI.WebControls.RepeaterCommandEventArgs e)
    {
        //根据按钮的CommandName分支到不同的操作
        switch (e.CommandName)
        {
            case "edit":
                //编辑操作
                break;
            case "select":
                //显示详细信息
                break;
            case "delete":
                //删除操作
                break;
            case "update":
                //更新编辑
                break;
            case "cancel":
                //取消编辑
                break;
            case "back":
                //隐藏详细信息
                break;
            default:
                break;
        }
    }
}