Server Error in '/' Application.

Input string was not in a correct format.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:


Line 65:         string fk_ExamType = Request.QueryString["et"].ToString().Trim();
Line 66:         int Session = Convert.ToInt32(Request.QueryString["ses"].ToString().Trim()); 
Line 67:         int fk_examevent = Convert.ToInt32(Request.QueryString["ee"].ToString().Trim());
Line 68:         if (fk_ExamType == "Main")
Line 69:         {

Source File: f:\Published_APP\CRSU_Jind\CRSU_ERP\ACD_Reval_Degree_Wise_Students_Details.aspx.cs    Line: 67

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +13033687
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +122
   System.Convert.ToInt32(String value) +48
   ACD_Reval_Degree_Wise_Students_Details.FillGrid(Int32 pageindex) in f:\Published_APP\CRSU_Jind\CRSU_ERP\ACD_Reval_Degree_Wise_Students_Details.aspx.cs:67
   ACD_Reval_Degree_Wise_Students_Details.Page_Load(Object sender, EventArgs e) in f:\Published_APP\CRSU_Jind\CRSU_ERP\ACD_Reval_Degree_Wise_Students_Details.aspx.cs:30
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4682.0