/// <summary>
/// Marks the value as required.
/// </summary>
/// <param name="errorMessage">The error message.</param>
/// <param name="errorMessageResourceType">Type of the error message resource.</param>
/// <param name="errorMessageResourceName">Name of the error message resource.</param>
/// <returns></returns>
protected virtual TItemBuilder Required(Func <string> errorMessage, Type errorMessageResourceType, string errorMessageResourceName)
{
Item.IsRequired = true;
RequiredValidationMetadata requiredValidation = Item.GetValidationOrCreateNew <RequiredValidationMetadata>();
requiredValidation.ErrorMessage = errorMessage;
requiredValidation.ErrorMessageResourceType = errorMessageResourceType;
requiredValidation.ErrorMessageResourceName = errorMessageResourceName;
return(This);
}
/// <summary>
/// Marks the value as optional, this is handy when the framework initializes the
/// value as required and you want to negate it.
/// </summary>
/// <returns></returns>
public TItemBuilder Optional()
{
Item.IsRequired = false;
RequiredValidationMetadata requiredValidation = Item.GetValidation <RequiredValidationMetadata>();
if (requiredValidation != null)
{
Item.Validations.Remove(requiredValidation);
}
return(This);
}