Server Error in '/' Application.

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

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.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

Source Error:


Line 256:        List<CategoryProductDatum> dt = bl2.SelectID(dm2);
Line 257:
Line 258:        if (dt[0].ID_Root != -1)
Line 259:        {
Line 260:            FindCategoryLevel(dt[0].ID_Root);

Source File: c:\inetpub\vhosts\parsachoob.ir\httpdocs\User Controls\MainMenu.ascx.cs    Line: 258

Stack Trace:


[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource) +77
   System.Collections.Generic.List`1.get_Item(Int32 index) +14626600
   User_Controls_HeaderTop.FindCategoryLevel(Int32 ID_Category) in c:\inetpub\vhosts\parsachoob.ir\httpdocs\User Controls\MainMenu.ascx.cs:258
   User_Controls_HeaderTop.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\parsachoob.ir\httpdocs\User Controls\MainMenu.ascx.cs:20
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Control.LoadRecursive() +185
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0