ValidationArgs.Result Property

Gets or sets an error description if row data are invalid. Null if data are valid.

Namespace: DevExpress.Mvvm.Xpf

Assembly: DevExpress.Mvvm.v25.1.dll

NuGet Packages: DevExpress.Mvvm, DevExpress.Win.Navigation

Declaration

C#

public ValidationErrorInfo Result { get; set; }

VB.NET

Public Property Result As ValidationErrorInfo

Property Value

Type	Description
ValidationErrorInfo	An error description.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Result 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#

wpf-data-grid-extend-crud-operations/CS/Undo/UndoCRUDOperationsBehavior.cs#L112

AssociatedObject.ValidateRowCommand?.Execute(args);
if(!Validate(args.Result)) {
    return;

wpf-data-grid-initialize-new-item-row-with-default-values/CS/NewItemRow_MVVM/MainViewModel.cs#L45

if(args.IsNewItem && string.IsNullOrEmpty(((Product)args.Item).ProductName)) {
    args.Result = new ValidationErrorInfo("Please enter the Product Name.");
}

wpf-data-grid-validate-cell-editors/CS/ValidateCell_MVVM/MainViewModel.cs#L43

        : $"The discount cannot be greater than 30% ({cellValue * 0.7}). Please correct the price.";
    args.Result = new ValidationErrorInfo(error, ValidationErrorType.Critical);
}

wpf-data-grid-validate-data-rows/CS/ValidateRow_MVVM/MainViewModel.cs#L60

public void ValidateRow(RowValidationArgs args) {
    args.Result = GetValidationErrorInfo((Task)args.Item);
}

VB.NET

wpf-data-grid-extend-crud-operations/VB/Undo/UndoCRUDOperationsBehavior.vb#L141

AssociatedObject.ValidateRowCommand?.Execute(args)
If Not Validate(args.Result) Then
    Return

wpf-data-grid-initialize-new-item-row-with-default-values/VB/NewItemRow_MVVM/MainViewModel.vb#L52

If args.IsNewItem AndAlso String.IsNullOrEmpty(CType(args.Item, Product).ProductName) Then
    args.Result = New ValidationErrorInfo("Please enter the Product Name.")
End If

wpf-data-grid-validate-cell-editors/VB/ValidateCell_MVVM/MainViewModel.vb#L46

    Dim [error] = If(discount < 0, $"The price cannot be greater than {cellValue}", $"The discount cannot be greater than 30% ({cellValue * 0.7}). Please correct the price.")
    args.Result = New ValidationErrorInfo([error], ValidationErrorType.Critical)
End Sub

wpf-data-grid-validate-data-rows/VB/ValidateRow_MVVM/MainViewModel.vb#L52

Public Sub ValidateRow(ByVal args As RowValidationArgs)
    args.Result = GetValidationErrorInfo(CType(args.Item, Task))
End Sub