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copied!<p>I've got a pretty comprehensive answer <a href="https://stackoverflow.com/questions/2789504/get-the-property-as-a-string-from-an-expressionfunctmodel-tproperty/2789606#2789606">here</a>.</p> <p>In addition to dealing with expressions like <code>x => x.WeirdPropertyName</code>, it can also deal with "extended" expressions such as <code>x => x.WeirdMember.WeirdPropertyName</code>.</p> <p>Here's the code from that answer:</p> <pre><code>// code adjusted to prevent horizontal overflow static string GetFullPropertyName<T, TProperty> (Expression<Func<T, TProperty>> exp) { MemberExpression memberExp; if (!TryFindMemberExpression(exp.Body, out memberExp)) return string.Empty; var memberNames = new Stack<string>(); do { memberNames.Push(memberExp.Member.Name); } while (TryFindMemberExpression(memberExp.Expression, out memberExp)); return string.Join(".", memberNames.ToArray()); } // code adjusted to prevent horizontal overflow private static bool TryFindMemberExpression (Expression exp, out MemberExpression memberExp) { memberExp = exp as MemberExpression; if (memberExp != null) { // heyo! that was easy enough return true; } // if the compiler created an automatic conversion, // it'll look something like... // obj => Convert(obj.Property) [e.g., int -> object] // OR: // obj => ConvertChecked(obj.Property) [e.g., int -> long] // ...which are the cases checked in IsConversion if (IsConversion(exp) && exp is UnaryExpression) { memberExp = ((UnaryExpression)exp).Operand as MemberExpression; if (memberExp != null) { return true; } } return false; } private static bool IsConversion(Expression exp) { return ( exp.NodeType == ExpressionType.Convert || exp.NodeType == ExpressionType.ConvertChecked ); } </code></pre>

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