xuesheng/xueshenglist.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using dao;
public partial class xueshenglist : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
	if (!IsPostBack)
        {
	BindData();

	}
    }
	
    // 绑定
    private void BindData()
    {       
		string sql="select * from xuesheng where 1=1";
     DataTable dt = DBHelper.GetDataSet(sql);



        GridView1.DataSource = dt;
        GridView1.DataBind();

    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
    }

	 //删除
    protected void btnDelete_Click(object sender, EventArgs e)
    {
        string idlist = "";
        bool BxsChkd = false;
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            CheckBox ChkBxItem = (CheckBox)GridView1.Rows[i].FindControl("DeleteThis");
            if (ChkBxItem != null && ChkBxItem.Checked)
            {
                BxsChkd = true;
                if (GridView1.DataKeys[i].Value != null)
                {
                    idlist += GridView1.DataKeys[i].Value.ToString() + ",";
                }
            }
        }
        if (BxsChkd)
        {