public GridValidationIntegrationProxy(string propertyName, object valueToValidate, GridValidationProvider provider) {
     validationProvider = provider;
     this.valueToValidate = valueToValidate;
     validatedPropertyName = propertyName;
 }
 public GridValidationIntegrationProxy(string propertyName, object valueToValidate, GridValidationProvider provider)
 {
     validationProvider    = provider;
     this.valueToValidate  = valueToValidate;
     validatedPropertyName = propertyName;
 }