Linq Get Property Name using VB.Net

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I'm stuck translating this from C into VB - Can anyone assist?

Call:

C#

if (e.PropertyName == GetPropertyName(() => Customer.FirstName))
{
  //Do Something
}

Function:

C#

(Expression<func><t>> expression)
{
   MemberExpression memberExpression=(MemberExpression)expression.Body;
   return memberExpression.Member.Name;
}</t></func>

As described here: Getting Property Name using LINQ [^]

Posted 12-Sep-11 22:59pm

a_rikah

Updated 12-Sep-11 23:18pm

Wayne Gaylard

v3

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Wayne Gaylard · Accepted Answer · 2011-09-12T23:25:00

Solution 1

You could try this

VB

If e.PropertyName = GetPropertyName(Function() Customer.FirstName) Then
End If

Function:-

VB

Public Function GetPropertyName(Of T)(ByVal expression As Expressions.Expression(Of Func(Of T))) As String
    Dim memberExpression As Expressions.MemberExpression = DirectCast(expression.Body, Expressions.MemberExpression)
    Return memberExpression.Member.Name
End Function

Let me know if this works, as this is off the top of my head!

Posted 12-Sep-11 23:25pm

Wayne Gaylard

Updated 13-Sep-11 0:17am

v2

Comments

a_rikah 13-Sep-11 9:00am

That's exactly what was needed!

Shimmy Weitzhandler 9-Jun-12 20:05pm

Doesn't work. It returns a compiler generated name "$VB$Local_NewProperty".

Member 9673374 26-Jan-13 12:16pm

Thank You Wayne Gaylard!
This works perfectly for me!
It helped me a lot!

João Araújo