View.ErrorMessages Property

Provides access to the current View‘s message collection.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v18.2.dll

Declaration

C#

public ErrorMessages ErrorMessages { get; }

VB.NET

Public ReadOnly Property ErrorMessages As ErrorMessages

Property Value

Type	Description
DevExpress.ExpressApp.Utils.ErrorMessages	An ErrorMessages object which is used to access the messages.

Remarks

Each message contains an image and text associated with a specific property name. For instance, the following code adds a message to the Subject property.

C#

View.ErrorMessages.AddMessage(
    "Subject",
    View.CurrentObject,
    "Specifies the task subject",
    ImageLoader.Instance.GetImageInfo("Action_AboutInfo")
    );

VB.NET

View.ErrorMessages.AddMessage( _
    "Subject", _
    View.CurrentObject, _
    "Specifies the task subject", _
    ImageLoader.Instance.GetImageInfo("Action_AboutInfo") _
)

The result in an ASP.NET and WinForms application is demonstrated below.

The ErrorMessages property is used by the Validation Module‘s ResultsHighlightController (see Built-in Controllers and Actions in Extra Modules).