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If the Cancel property of the Cancel Event Args object is set to true in the Validating event delegate, all events that would normally occur after the Validating event are suppressed. I don't think it is related to the Validation as it is the record moving off the viewable area of the datagrid.i think that set causesvalidation=false and at the end set it to true ( before update ) is the best choise B.. Any resemblance to other material is an un-intentional coincidence and should not be misconstrued as malicious, slanderous, or any anything else hereof. Run(form1) End Sub End Class Public Class Form1 Inherits System. Protected Overloads Overrides Sub Dispose(By Val disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components. Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System. IContainer 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. Text Box Friend With Events txt Last Name As System. Error Provider Friend With Events txt Email As System. Resume Layout(False) End Sub #End Region Private Sub txt Name_Validating(By Val sender As Object, By Val e As System. ) == true) When I update the value of a cell, move to a next record, then scroll, the Validating event is firing when that updated cell scrolls off of the datagrid's visible area.
QUESTION: How do I prevent the Validating event from firing while I scroll the grid???You can also display errors that occur in Data Sets.You need to set the Data Source, Data Member and Container Control properties of the Error Provider control to set the error for a databound control.Meanwhile, we can use the Validate Row event in the same way to prevent the user from exiting the current row.
We are going through the following C# code to analyze the process of validating data in grid cell.
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