Validation Messages [modified]

[Tripathi Swati]

I have implemented validation using IDialogService on INotifyPropertyChanged but its not working properly when i click on save button and after successfull insertion if i ll clear my control then also my validation message display error message. if any boday can help me then i ll be thankfull to him.

Reasons are not Important but Results are Important. http://www.sql4professional.blogspot.com Swati Tripathi

modified on Saturday, May 22, 2010 5:35 AM

[Abhinav S]

You need to post code here to show what you have implemented so far before anyone can help you.

My signature "sucks" today

[Tripathi Swati]

below is used for binding validation

<TextBox x:Name="txtDispalyName" Text="{Binding Path=DisplayName, Mode=TwoWay, NotifyOnValidationError=True, ValidatesOnExceptions=True}" Grid.Row="1" Height="24" LostFocus="txtDispalyName_LostFocus" Grid.Column="2" Margin="18,2,54,0" VerticalAlignment="Top" TabIndex="0" >

while in code behind on save click i m calling below code

ViewModel.IsError = true;
getBindProperty();
if (ViewModel.Save())
{
IsSaveClose = true;
SaveData();

}
else
{
ViewModel._dialogService.DisplayValidationDialog(ViewModel.Errors);
}

while my validation class is

public class MyViewModel : INotifyPropertyChanged
{
public readonly IDialogService _dialogService;
CultureInfo Culture;
public MyViewModel(IDialogService dialogService)
{
_dialogService = dialogService;
}

    private string \_displayName = "";
     

    public bool  IsError { get; set; }
    
    

    public string DisplayName
    {
        get { return \_displayName ; }
        set
        {
            if (string.IsNullOrEmpty(value))
            {
                Culture = Thread.CurrentThread.CurrentCulture;
                IsError = false;
                throw new Exception(Erp3s.Resources.Strings.ResourceManager.GetString("Display Name is required",Culture));

            }
            \_displayName = value;
            OnPropertyChanged("DisplayName");
        }
    }

  


    private readonly ObservableCollection<ValidationError> \_errors = new ObservableCollection<ValidationError>();

    public ObservableCollection<ValidationError> Errors
    {
        get { return \_errors; }
    }

    public bool IsViewStateValid()
    {
        return Errors.Count == 0;
    }

    public bool Save()
    {

                 
        
        
     if (!this.IsViewStateValid())
        {
            return false; 
          //\_dialogService.DisplayValidationDialog(Errors);
        }
        else
        {
            return true;
        }
    }

    public event PropertyChangedEventHandler PropertyChanged;

    protected virtual void OnPropertyChanged(string propertyName)
    {
        PropertyChangedEventHand