public ValidationErrorResult(ValidationAttribute attribute, string displayName, string errorMessage)
{
Attribute = attribute;
DisplayName = displayName;
ErrorMessage = errorMessage;
}
/// <summary>
/// 使用表达式来添加一个规则。
/// </summary>
/// <param name="expression">使用表达式来限定添加验证的属性。</param>
/// <param name="attribute">一个 <see cref="ValidationAttribute"/> 实例。</param>
/// <returns></returns>
public MetadataConverter <TEntity> Add(Expression <Func <TEntity, object> > expression, ValidationAttribute attribute)
{
var memberName = MemberVisitor.Find(expression);
if (!string.IsNullOrEmpty(memberName))
{
var attrs = _attrCache.TryGetValue(memberName, () => new List <ValidationAttribute>());
attrs.Add(attribute);
}
return(this);
}
public ValidationErrorResult(ValidationAttribute attribute, string errorMessage)
{
Attribute = attribute;
ErrorMessage = errorMessage;
}