public void Validate()
{
ModelPropertyPair pair = this.GetModelPropertyChain().Last();
object value = this.GetValueToValidate();
object convertedValue;
if (!this.TryConvertValue(value, out convertedValue))
{
this.ErrorProvider.SetError(this.ControlToValidate,
"Value is invalid.");
return;
}
string errorMessage = this.GetValidationErrorOrNull(pair, convertedValue);
this.ErrorProvider.SetError(this.ControlToValidate, errorMessage);
}
private string GetValidationErrorOrNull(ModelPropertyPair pair, object value)
{
var context = new ValidationContext(pair.Model)
{
MemberName = pair.Property.Name
};
try
{
Validator.ValidateValue(value, context, this.ValidationAttributes);
return(null);
}
catch (ValidationException ex)
{
return(ex.Message);
}
}
