ASP.NET MVC3 Model的常用验证示例

　　　　#region 余额
/// <summary>
/// 余额
/// </summary>
[DisplayName("余额")]
[RegularExpression(@"^\d{1,10}(?:\.\d{1,2})?$", ErrorMessage = "金额输入有误！")]
[DataType(DataType.Text)]
[DisplayFormat(ConvertEmptyStringToNull = true)]
public decimal Balances { get; set; }
#endregion

　　　　 #region 标识
/// <summary>
/// 标识
/// </summary>
[DisplayName("标识")]
[Required(ErrorMessage = "标识不得为空")]
[DataType(DataType.Text)]
[DisplayFormat(ConvertEmptyStringToNull = false)]
[RegularExpression(@"^[0-9]*$", ErrorMessage = "标识不是整数")]
[Remote("IsCodeValid", "Controller", "area", AdditionalFields = "ID", ErrorMessage = "标识不能重复！")]
public int CodeID { get; set; }
#endregion

[RegularExpression(@"^\+?[1-9][0-9]*$", ErrorMessage = "不是正整数")]