Currently my model by inheriting from System.ComponentModel.IDataErrorInfo.
When we input the invalid data,we just can see the red border around the
SfTextBoxExt ,the error message cannot show up.So please provide a sample for my reference .
thanks
Chris
Xaml code is as below.
<
syncfusion:SfTextBoxExt Grid.Row="5" x:Name="muliple" Watermark="Enter tags seperated by comma" SearchItemPath="Name" AutoCompleteSource="{Binding Items}" AutoCompleteMode="Suggest" Delimeter="," Text="{Binding UpdateSourceTrigger=PropertyChanged, Path=QueryModel.StringTags, ValidatesOnDataErrors=true, NotifyOnValidationError=true, Mode=TwoWay}" WatermarkTemplate="{StaticResource WatermarkTemplate}" > </syncfusion:SfTextBoxExt>
Thank you for your update. Please let us know if you require any other assistance.
Regards,
Saranya