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http://space.cnblogs.com/question/2800000000000/

Exception Details: System.OverflowException: Value was either too large or too small for an Int32.

Source Error: 


Line 25: 		if(!Page.IsPostBack ){
Line 26: 			
Line 27: 			int qid = Convert.ToInt32(Request.QueryString["qid"]);
Line 28: 
Line 29: 			clsQuestion q = clsQuestion.GetDetail(qid);
 

Source File: d:\WebSite\CnBlogsSpace\question\item.aspx    Line: 27 

Stack Trace: 


[OverflowException: Value was either too large or too small for an Int32.]
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +2725365
   System.Convert.ToInt32(String value) +68
   ASP.***.Page_Load(Object sender, EventArgs e) in d:\WebSite\CnBlogsSpace\question\item.aspx:27
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061