cannont convert string to guid using ctype funtion

Dim customerId As Guid = CType(customerGrid
(customerGrid.CurrentRowIndex, 0), Guid)

customergrid is a grid control

The error that comes up is "Specified cast in not valid"

I don't know what to do. any ideas , if I am doing any mistake?

thanks
nath

Not sure what exactly you are converting there... but in a standard way... you create a guid from a string this way:

VB Code:

Dim x As Guid = New Guid(mystring)