Get Property Name : PropertyInfo « Reflection « C# / C Sharp

1. C# / C Sharp
2. Reflection
3. PropertyInfo

Get Property Name

        
using System;
using System.Linq.Expressions;
using System.Reflection;

namespace ExpressVal.Util
{
    public static class PropertyHelper
    {
        public static string GetPropertyName<T, TProperty>(Expression<Func<T, TProperty>> property)
        {
            PropertyInfo propertyInfo = null;
            var body = property.Body;

            if (body is MemberExpression)
            {
                propertyInfo = (body as MemberExpression).Member as PropertyInfo;
            }
            else if (body is UnaryExpression)
            {
                propertyInfo = ((MemberExpression)((UnaryExpression)body).Operand).Member as PropertyInfo;
            }

            if (propertyInfo == null)
            {
                throw new ArgumentException("The lambda expression 'property' should point to a valid Property");
            }

            var propertyName = propertyInfo.Name;

            return propertyName;
        }

        public static string GetPropertyName<T>(Expression<Func<T, object>> property)
        {
            PropertyInfo propertyInfo = null;
            var body = property.Body;

            if (body is MemberExpression)
            {
                propertyInfo = (body as MemberExpression).Member as PropertyInfo;
            }
            else if (body is UnaryExpression)
            {
                propertyInfo = ((MemberExpression)((UnaryExpression)body).Operand).Member as PropertyInfo;
            }

            if (propertyInfo == null)
            {
                throw new ArgumentException("The lambda expression 'property' should point to a valid Property");
            }

            var propertyName = propertyInfo.Name;

            return propertyName;
        }
    }
}

   
    
    
    
    
    
    
    
  

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