Specified cast is not valid. PLEASE HELP!

Hello, I having a following error:

Specified cast is not valid.
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.InvalidCastException: Specified cast is not valid.

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:


[InvalidCastException: Specified cast is not valid.]
dCart.mcat_list.mcategory_CreateDataSource()
dCart.mcat_list.Page_Load(Object sender, EventArgs e)
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +750

Please help!

Thank you.

 

The error genarated from the line that has the (cast) exprission either by cint(exprission) or convert.Tostring(exprission) ...


Would you mind pasting it here ... just the code that has the casting.


Ash