WebUI/Admin/yhvote.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;
using System.Windows.Forms;
public partial class ManyArcManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {


            new DataBind().bindGridView(GridView1, "select *from votes");
            
        }
    }
    
   
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string id;
        id = ((System.Web.UI.WebControls.Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Label3")).Text;
        HiddenField2.Value=id;
        SqlConnection conn = new DBCon().getCon();
        SqlCommand cmd = new SqlCommand();
        cmd.Connection = conn;
        cmd.CommandText = "delete from yhvote where Id='" + HiddenField2.Value + "'";
        int i = cmd.ExecuteNonQuery();
        if (i > 0)
        {
            MessageBox.Show("删除成功!"); 

        }
        else
        {
            MessageBox.Show("删除失败");
        }
        new DataBind().bindGridView(GridView1, "select *from votes");

    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        new DataBind().bindGridView(GridView1, "select *from votes");
    }

}