ExpressionsUtil

using System;
using System.ComponentModel;
using System.Linq.Expressions;

namespace Core
{
    public static class ExpressionsUtil
    {
        /// <summary>
        /// Gets the string name for the property
        /// </summary>
        public static string GetPropertyName<T>(Expression<Func<T>> expression)
        {
            if (expression.NodeType != ExpressionType.Lambda)
            {
                throw new ArgumentException("Value must be a lamda expression", "expression");
            }

            if (!(expression.Body is MemberExpression))
            {
                throw new ArgumentException("The body of the expression must be a memberref", "expression");
            }

            MemberExpression memberExpression = (MemberExpression)expression.Body;
            return memberExpression.Member.Name;
        }
    }

}