How to insert "NULL" in column

Question

Hi everybody,

 

I have a integer column and I want in vb code behind that the column will be filled wiht NULL - so empty value.

 

I try like this: Dim IInpUserKey As Nullable(Of Integer)

 

But then I still see the vlaue 0 and not NULL in the column.

 

Thank you 

 

 

Answer 1

I have a specific problem as follows. See i have one button and i have written a function onclick of this button in my code behind form. ok. Which will be executed when that button is clicked. But that code is server side. Now I want to check if any of the checkbox in my datagrid is checked or not on click of this button? how to do this? Please help? Regards. kash

Answer 2

Is there a specific question here? You can still have javascript error checking with asp.net validation controls by the way.