expressappframework-devexpress-dot-expressapp-dot-validation-9558d4ab.md
The Validation node defines Contexts and Rules used in your application.
Namespace : DevExpress.ExpressApp.Validation
Assembly : DevExpress.ExpressApp.Validation.v25.2.dll
NuGet Package : DevExpress.ExpressApp.Validation
[ImageName("BO_Validation")]
public interface IModelValidation :
IModelNode
<ImageName("BO_Validation")>
Public Interface IModelValidation
Inherits IModelNode
The following members return IModelValidation objects:
The Validation node allows setting Rules for objects and their properties without implementing code. Generally, if using the Validation System in your application, it is recommended that you do it in code via attributes. However, providing access to this feature in the Model Editor allows administrators and end-users to edit Rules and Contexts.
This interface is a part of the Application Model infrastructure. You do not need to implement this interface in most cases.
See Also
Validation (Prevent Data Errors)
Application Model (UI Settings Storage)