Attach to the Cell Validating event, which is exposed by the Rad Grid View. Example 5 shows how to validate the Order NO and Total properties of the Order object. Rad Grid View also allows you to take advantage of the System. Public Property Order NO() As String Get Return Me.m_order No End Get Set(By Val value As String) Dim validation Context As New Validation Context(Me, Nothing, Nothing) validation Context. Validate Property(value, validation Context) Me.m_order No = value End Set End Property Once the UI and Data validation is passed (i.e., the Binding tried to update the value for the bound property), the Cell Validated event is raised. Here you can also add a custom logic like changing the visual state of the editor (through the e. For a general example on how to validate the data, you can check our Validation online demos.Private Sub rad Grid View_Cell Validating(By Val sender As Object, By Val e As Telerik. Attach to the Row Validating event, which is exposed by the Rad Grid View. Grid View Row Validating Event Args) Dim order As Order = Try Cast(e. You can also download runnable projects from our online SDK repository here; the examples are listed under Grid View.
The cell validation can be customized by using the The current cell will not end the editing until the Current Cell validation is passed.Hi, I am having trouble using the Rad Grid View (Row Validating Event).When the Row Validating is fired, the values of my new row to be added are checked, if one of them is not okay, the message is shown to remind the user to input the correct values.You can work around the issue by using custom grid behavior.Please consider the code below: Do you want to have your say when we set our development plans?