This tool is not too bad:
http://www.developerfusion.com/tools/convert/vb-to-csharp/[
^].
Did you try it?
And listen to a good friendly advice: even if you develop in VB.NET, learn at least some of C#. It will greatly help you, especially if you are looking for some solutions or asking questions on the Web. Like it or not, more codes of better qualify could be found for C#.
—SA