38 lines
791 B
C#
38 lines
791 B
C#
using System.ComponentModel.DataAnnotations;
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using System.Reflection;
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namespace SocialPub.ClientModels
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{
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[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
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public class AtLeastOnePropertyAttribute : ValidationAttribute
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{
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private string[] PropertyList { get; set; }
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public AtLeastOnePropertyAttribute(params string[] propertyList)
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{
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PropertyList = propertyList;
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}
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public override object TypeId
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{
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get
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{
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return this;
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}
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}
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public override bool IsValid(object value)
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{
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PropertyInfo propertyInfo;
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foreach (string propertyName in PropertyList)
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{
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propertyInfo = value.GetType().GetProperty(propertyName);
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if (propertyInfo != null && propertyInfo.GetValue(value, null) != null)
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return true;
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}
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return false;
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}
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}
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} |