Mytiezi.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;
using System.Data;

public partial class Mytiezi : System.Web.UI.Page
{
    Alert js = new Alert();
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            Get_Info();
        }
    }
    private void Get_Info()
    {
        string sql = "select a.*,d.fenleiName,case when b.shuliang is null then 0 else b.shuliang end as shuliang, c.xingming   from dbo.Topic a left join(select TopicID,count(*) as shuliang from TopicRey group by TopicID) as b on a.ID=b.TopicID left join yonghu c on a.AddUser=c.yonghuhao  left join fenlei d on a.fenleiID=d.id  where a.AddUser='" + Session["yonghuhao"].ToString() + "' ";

        DataSet ds2 = new DataSet();
        ds2 = data.GetDs(sql, "ds");
        Repeater1.DataSource = ds2.Tables[0];
        Repeater1.DataBind();
    }

}