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.v25.2.dll

NuGet Package : DevExpress.Wpf.Grid.Core

Declaration

C#
VB.NET

csharp

public ExceptionMode ExceptionMode { get; set; }

Public Property ExceptionMode As ExceptionMode

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.