teachter.aspx.cs

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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 teachter : System.Web.UI.Page
{
    SqlHelper mydata = new SqlHelper();

    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {

            InitData();  //绑定用户信息        
        }
    }
    //初始化用户表格
    protected void InitData()
    {

        GridView1.DataSource = mydata.GetDataReader("select * from T_info");
        GridView1.DataBind();
    }
    //GridView控件RowDeleting事件
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {

        string ID = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
        try
        {
            mydata.RunSql("delete  from T_info where  id='" + ID + "'");

            Alert.AlertAndRedirect("删除成功", "teachter.aspx");
            GridView1.EditIndex = -1;
            InitData();
        }
        catch
        {

            Alert.AlertAndRedirect("删除失败", "teachter.aspx");
        }

    }
    //GridView控件RowUpdating事件
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {

        string ID = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
        try
        {