How to insert 'Empty' field in ComboBox bound to DataTable

Question

I have a combo box on a WinForms app in which an item may be selected, but it is not mandatory. I therefore need an \'Empty\' first item to indicate that no value has been s

Answer 1

I found another solution:

Just after your data table is created (before using fill), add new row and use AcceptChanges method to the table. The new record would get RowState = Unchanged, and would not be added to database, but would be visible in your datatable and combobox.

   DataTable dt = new DataTable();
    dt.Rows.Add();
    dt.AcceptChanges();
    ...
    dt.Fill("your query");