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 943:                    }
Line 944:                }
Line 945:                DataTable dtSeatAv = ObjSingleton.GetWebSiteBooking().GetAvailableRoomForBooking(int.Parse(ddlDepartureDate.SelectedValue.ToString()), BIID);
Line 946:                if (dtSeatAv.Rows.Count != 0)
Line 947:                {

Source File: d:\wwwroot\HolyTrip.com\GroupTour\GroupBookNow.aspx.cs    Line: 945

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.Int32.Parse(String s) +26
   GroupTour_GroupBookNow.GetDetails() in d:\wwwroot\HolyTrip.com\GroupTour\GroupBookNow.aspx.cs:945
   GroupTour_GroupBookNow.Page_Load(Object sender, EventArgs e) in d:\wwwroot\HolyTrip.com\GroupTour\GroupBookNow.aspx.cs:481
   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:4.8.4654.0