New conversion complete

Core/Utility/ReflectionExtensions.cs

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+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using Fasterflect;
+
+namespace LeafWeb.Core.Utility
+{
+	public static class ReflectionExtensions
+	{
+		public static string GetPropertyDisplayName<T>(Expression<Func<T, object>> propertyExpression)
+		{
+			var memberInfo = GetPropertyInformation(propertyExpression.Body);
+			if (memberInfo == null)
+			{
+				throw new ArgumentException("No property reference expression was found.", nameof(propertyExpression));
+			}
+
+			var attr = memberInfo.Attributes<DisplayNameAttribute>().SingleOrDefault();
+			return attr == null ? memberInfo.Name : attr.DisplayName;
+		}
+		
+		public static MemberInfo GetPropertyInformation(Expression propertyExpression)
+		{
+			Debug.Assert(propertyExpression != null, "propertyExpression != null");
+			var memberExpr = propertyExpression as MemberExpression;
+			if (memberExpr == null)
+			{
+				var unaryExpr = propertyExpression as UnaryExpression;
+				if (unaryExpr != null && unaryExpr.NodeType == ExpressionType.Convert)
+				{
+					memberExpr = unaryExpr.Operand as MemberExpression;
+				}
+			}
+
+			if (memberExpr != null && memberExpr.Member.MemberType == MemberTypes.Property)
+			{
+				return memberExpr.Member;
+			}
+
+			return null;
+		}
+	}
+}