Could it be erroring out because of the custom columns you are trying to add to it?<BR><BR>I don't know the answer off the top of my head, but you could do something as simple as DataGridView1 = new ...

How do you hide columns in a datagrid? The columns are needed in queries I just don't want some of them outputted to the user however.<BR><BR>If I do in my form ...

I know that Windows Forms are considered old fashioned, but I've got clients with applications that still use them. As I noted in my previous tip, I recently had to support letting the user sort by ...