求好手！

2013-01-05

求高手！！using Systemusing System.Collections.Genericusing System.Linqusing System.Webusing Syst

求高手！！
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 photoAlbum : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Bing();
        }
    }
    public void Bing()
    {
       string SQL = "select * from TypeIMG ";
        Jerry.SQLServer db = new Jerry.SQLServer();
        DataSet ds = db.select(SQL);
        Repeater1.DataSource = ds.Tables["content"].DefaultView;        Repeater1.DataBind();
    }
}

运行时出现未将对象引用设置到对象的实例。到底是哪里出现错误了啊？？？？
[解决办法]

引用:

if(ds !=null)
{
Repeater1.DataSource = ds.Tables[0].DefaultView;
Repeater1.DataBind();

}

1楼给的是容错
string SQL = "select * from TypeIMG";也就是没得数据，你看看ds读取到数据没有，看一下ds.Table[0].Rows.Count
[解决办法]


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 photoAlbum : System.Web.UI.Page
{
   protected void Page_Load(object sender, EventArgs e)
   { 
     if (!IsPostBack)
     {
        Bing();
     }
  }

  public void Bing()
  {
      string SQL = "select * from TypeIMG ";
      Jerry.SQLServer db = new Jerry.SQLServer();
      DataSet ds = db.select(SQL);
      Repeater1.DataSource = ds;
      Repeater1.DataBind();
   }
}

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求好手！