“/”应用程序中的服务器错误。

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行 88:     private void Bindnews()
行 89:     {
行 90:         int id = int.Parse(Request.QueryString["id"].ToString());
行 91:         string sqlStr = "select * from article_info where id=" + id;
行 92:         string sqlStrprov = "select * from article_info where columnsId=3 and id<" + id+" order by addTime desc";

[NullReferenceException: 糖球直播吧]
   list.Bindnews() in d:\webhosting\clients\4b6b7293-9d51-4f21-835d-9ca9b66ee47c\wwwroot\list.aspx.cs:90
   list.Page_Load(Object sender, EventArgs e) in d:\webhosting\clients\4b6b7293-9d51-4f21-835d-9ca9b66ee47c\wwwroot\list.aspx.cs:41
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627