IValue Convertor for radgrid view silverlight Telerik

 

public class PhoneDataConverter : IValueConverter

{

public object Convert(object value, Type targetType, object parameter, CultureInfo culture)

{

Int64 num;

if( Int64.TryParse(value.ToString(), out num))

return String.Format("{0:(###) ###-####}", num);

else

return value.ToString();

}

public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)

{

throw new  NotImplementedException();

}

} void gridMultiSelect_DataLoaded(object sender, EventArgs e)           {               for (int x = 0; x < gridMultiSelect.Columns.Count; x++)               {                   if (gridMultiSelect.Columns[x].Header.ToString().ToUpper() == "PHONE")                   {                       GridViewDataColumn gridVDC = (GridViewDataColumn)gridMultiSelect.Columns[x];                       gridVDC.DataMemberBinding.Converter = new PhoneDataConverter();                       gridVDC.Width = new GridLength(100);                   }               }           }