ExceptionEventArgs.ExceptionMode Property

Gets or sets the type of response to supplying invalid values.

Namespace: DevExpress.XtraEditors.Controls

Assembly: DevExpress.XtraEditors.v18.2.dll

Declaration

C#

public ExceptionMode ExceptionMode { get; set; }

VB.NET

Public Property ExceptionMode As ExceptionMode

Property Value

Type	Description
ExceptionMode	A ExceptionMode enumeration value specifying the response type.

Available values:

Name	Description
DisplayError	Displays a tooltip with an error description specified by the ExceptionEventArgs.ErrorText property.
ThrowException	Throws an exception specified by the ExceptionEventArgs.Exception property.
NoAction	Suppresses displaying the message box/tooltip or throwing an exception. The value remains unchanged.
Ignore	Discards new data and reverts to an old value. Note In standalone editors, because of the .NET binding mechanism, the Ignore value doesn’t work correctly. In container controls, the Ignore value works as expected.

Remarks

Use the ExceptionMode property to specify the action performed in response to entering an invalid value. You can display a message box/tooltip with a specific error description, suppress any action, throw an exception or discard new data and revert to an old value.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ExceptionMode property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

building-a-simple-expense-tracking-application-using-xtragrid-for-winforms-example-solution-e5063/CS/XtraGridTutorial.Step4/MainForm.cs#L77

{
    e.ExceptionMode = DevExpress.XtraEditors.Controls.ExceptionMode.NoAction;
}

how-to-perform-row-validation-using-the-idxdataerrorinfo-interface-e335/CS/WindowsApplication1/Form1.cs#L59

{
    e.ExceptionMode = ExceptionMode.NoAction;
}

VB.NET

building-a-simple-expense-tracking-application-using-xtragrid-for-winforms-example-solution-e5063/VB/XtraGridTutorial.Step4/MainForm.vb#L70

Private Sub transactionsGridView_InvalidRowException(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs) Handles transactionsGridView.InvalidRowException
    e.ExceptionMode = DevExpress.XtraEditors.Controls.ExceptionMode.NoAction
End Sub

how-to-perform-row-validation-using-the-idxdataerrorinfo-interface-e335/VB/WindowsApplication1/Form1.vb#L52

Private Sub gridView1_InvalidRowException(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs) Handles gridView1.InvalidRowException
    e.ExceptionMode = ExceptionMode.NoAction
End Sub