I’m populating a datagridview (dgw) with a dataset with Names. Every name is in a specific group numbered from 1 �3. When I open up my win form with the dgw I want to list all the people in the db. Next to the dgw I have a dropdown list where I can select each group. When I select ex. Group 1, I want all people from the db listed but everyone from group 1 should have a checkbox selected.

Can anyone please help me?

So you have a checkbox column in the DataGridView and when you click a button you want certain rows to be checked?

One way you could do this is to loop through all of the rows in the DataGridview and check the group. If it matches the desired group, check the checkbox.

Another option is to update the underlying DataSet.

Is the checkbox column also in the Dataset?

Hope this helps.

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