InvalidCastException..

[C# Programming]

hi all,

im new to the c# world..

there is some error showing on my test program..

it shows "InvalidCastException was unhandled by user code"..
using VS2008 pro to code..

wat is tat suppose to mean??
anyone can help me??
any help are deeply appreciated..

thank u..


best regards,
A.Kogulakannan