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Form Private With Events data Grid View1 As New Data Grid View() Private binding Source1 As New Binding Source() Public Sub New() ' Initialize the form. Cell Validating Dim header Text As String = _ data Grid View1. Cancel = True End If End Sub Private Sub data Grid View1_Cell End Edit(By Val sender As Object, _ By Val e As System. Cell End Edit ' Clear the row error in case the user presses ESC. Data Grid View Cell Event Args) _ Handles data Grid View1.
Empty End Sub Private Shared Function Get Data(By Val select Command As String) As Data Table Dim connection String As String = _ "Integrated Security=SSPI; Persist Security Info=False;" _ "Initial Catalog=Northwind; Data Source=localhost; Packet Size=4096" ' Connect to the database and fill a data table. For more information, see Protecting Connection Information.For this reason, before preforming any action, it checks to see when the current cell is dirty or not. The form loads by default to only handle the Cell Value Changed event itself, which means we will immediately notice the problem at hand.Changing the active status for a given person will not fire the event until some other object on the form is clicked and receives focus.You might want to handle this for a number of reasons: to enable a save button, to change the appearance of selected items, to display a pop-up window, or to check for consistency against other choices.It turns out that this is trickier than it might seem and doesn’t work great out of the box from .