C#.net dropdown list

jasminie

I haqve a C#.net 2008 desktop application that displays selected rows in a datagrid using linq. This application has

a dropdown list of specific values in 'Category' for a user to select the kind of data they would like to see. When

the user selects the specific value they want to see "category" and the user hits the submit button, the entire

column for 'Category' goes away.

Is there something you can recommend for me to look at to see why the column for 'category' goes away?

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Sam Hobbs15y ago
You did not clarify about the dropdown list. The reason that is important is that one suggestion is to look at all references to the dropdown list. However you might reply by saying that there are no references, since there is one per record. So we need to have something in common to talk about, therefore you need to clarify where the dropdown list is.
jasminie15y ago
The data that is displayed is in a datagrid. Thus there can be a large volume of data rows that are displayed.

So you are saying once the user hits the submit button, see what happens. I did that however the application keeps running when there are no more breakpoints. I just know the entire form gets reloaded. I know to put a breakpoint when it gets reloaded. However, I do not know what else to look at.
Sam Hobbs15y ago
Yes. Look at what happens when the user hits the submit button.

It is not clear to me where the dropdown list is. Is there one per row or is there one for the entire form?