>I have a datagrid linked to one table using dataAdaptor via the following code:
>
>Try
>  SqlDataAdapter1.Fill(DataSet11)
>  dgThreshold.DataSource = DataSet11.DefaultViewManager
>Catch ex As Exception
>  MessageBox.Show("Could not connect to Dataset/Database")
>End Try
>
>Field index 4 can only have a Y or N enetered by users.
>How can I ensure this?
>
>I have been messing with the properties within the following to no avail.
>
>DataSet11.MISRE_Threshold.Columns(4).
>
>Note: the 'Unique' preoperty suggests that the namespace allows iteration
>through a columns data, surely the .Text property is not too far away.
> 
>