TreeListInvalidNodeExceptionEventArgs.ExceptionMode Property
Gets or sets a value that specifies how an exception should be handled.
Namespace: DevExpress.Xpf.Grid.TreeList
Assembly: DevExpress.Xpf.Grid.v21.2.dll
NuGet Package: DevExpress.Wpf.Grid.Core
Declaration
Property Value
| Type | Description |
|---|---|
| ExceptionMode | An ExceptionMode enumeration value that specifies how an exception should be handled. |
Available values:
| Name | Description |
|---|---|
| DisplayError | Displays an error message box with text specified by the ErrorText property. Use the WindowCaption property to specify the message box’s caption. |
| ThrowException | Throws an exception. Use the Exception property to get this exception. |
| NoAction | Displays an error icon and does not allow users to focus other rows until values are corrected. |
| Ignore | Ignores an exception and raises RowCanceled. |
Remarks
Use the ExceptionMode property to specify the action performed when a node fails validation. You can display a message box with an error description, suppress an action, throw an exception, or ignore the validation result.