28 lines
705 B
C#
28 lines
705 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Threading.Tasks;
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namespace Hncore.Pass.BaseInfo.Common
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{
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///// <summary>
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///// 自然数0,1,2...
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///// </summary>
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//[AttributeUsage(AttributeTargets.Property)]
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//public class ValidNaturalNumberAttribute : Attribute
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//{
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//}
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public sealed class RequiredAttribute : Attribute
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{
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public bool Validate(object value)
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{
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if (value == null) return true;
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if (string.IsNullOrEmpty(value.ToString())) return true;
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if (string.IsNullOrWhiteSpace(value.ToString())) return true;
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return false;
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}
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}
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}
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