Cellvalidating error text
This video will first show you the built-in data validation mechanisms enabled in the Grid Control by default.
You will then learn how to specify your own data cell validation rules and how to control the UI that informs end-users about the errors.
Add("Price", "Price") '---add a combobox column--- Dim combo Box Col As New Data Grid View Combo Box Column '---set the header text--- combo Box Col.
This event is fired when the user tries to edit the Combo Box control: Private Sub Data Grid View1_Editing Control Showing( _ By Val sender As Object, _ By Val e As System. Editing Control Showing Dim combo Box Column As Data Grid View Combo Box Column = _ Data Grid View1.
The Dev Express Win Forms Grid (Xtra Grid) control enables you to check the validity of data entered by end-users before posting this data to the underlying data source.Set the Valid parameter to true, to allow focus to be moved from the editor. Validating Editor event is not raised when changing cell values via code. The currently processed column is identified differently depending on the data editing mode: The following code shows how to handle the Base View.