EPL2 programming and vb.NET

I am making an applicationto print money orders. The problem I am having is the format of epl2 in vb.NET. When I enter a command through my forms' text box it looks like this:
A700,200,1,4,2,1,N,"Pay to the" and it recognizes that.

When I try the same command coded in my program. The printer does not recogize it or does not like it. I ge syntax error. I have tried different combinations with back ticks, double quotes and single quotes but I cannot figure it out. Has anybody worked with epl2 printer programming in vb.NEt. I have the manual for epl2 but it is not much help. Any help would be appreciated. Thanks.

By the way I am using rs232 serial port to communicate with the printer.