resources problem

Hi,
I have project called innodraw,form called frmbranches,resx file called frmbranches.he-il.resx in the form
when the form Loaded the deafult culture is english,the rex file contains the hebrew translate in the resx file

that's the code i wrote to get all the resx files the frmbranches form:
System.Resources.ResourceManager Res = new System.Resources.ResourceManager("innodrawdb.frmbranches", System.Reflection.Assembly.GetExecutingAssembly());

the code return 0 resources on the form
Why?

help me
Omer