Server Error in '/Store' 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:



An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[FormatException: Input string was not in a correct format.]
   Microsoft.VisualBasic.CompilerServices.DoubleType.Parse(String Value, NumberFormatInfo NumberFormat) +193
   Microsoft.VisualBasic.CompilerServices.IntegerType.FromString(String Value) +96

[InvalidCastException: Cast from string "" to type 'Integer' is not valid.]
   Microsoft.VisualBasic.CompilerServices.IntegerType.FromString(String Value) +211
   Microsoft.VisualBasic.CompilerServices.IntegerType.FromObject(Object Value) +750
   NVisions.Business.Category.GetCategory(Int32 iGroupID, Int32 iCategoryID) +507
   Store.Webpages.Products.Page_Load(Object sender, EventArgs e) +140
   System.Web.UI.Control.OnLoad(EventArgs e) +67
   System.Web.UI.Control.LoadRecursive() +35
   System.Web.UI.Page.ProcessRequestMain() +750

Version Information: Microsoft .NET Framework Version:1.1.4322.2407; ASP.NET Version:1.1.4322.2407