MyLesson/ServiceUser/BBs.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace MyLesson.ServiceUser
{
    public partial class BBs : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            this.Title = "";
           

            string Sql = ""; //查询语句

            Sql = " select * from Topic   ORDER BY Addtime DESC ";

            SqlDataSource1.SelectCommand = Sql;
        }
        protected void LinkButton1_Click(object sender, EventArgs e)
        {
            Response.Redirect("AddTopic.aspx");
        }

        protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            string id = e.CommandArgument.ToString();
            string str = "delete from topic where id="+id;
            SqlHelper sql = new SqlHelper();
            sql.ReturnSql(str);
            Response.Redirect("bbs.aspx");

        }

        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType ==DataControlRowType.DataRow)
            {
                if (!string.IsNullOrEmpty(Request.QueryString["id"]))
                {
                 
                    ((LinkButton)e.Row.FindControl("btnDelete")).Visible = false;
                }
            
            }
        }
    }
}