Need Help in DIAPI

Hi,

I am using SAP business One 2004.2 B (7.30.215) Indian version. I tried to connect DI API, but it was showing errors.. Please help me to solve this problem.

I already installed the Patches (B120042B00P_45-10003241). still it was showing same problem Please help me to do this.

What steps I want to take to solve it....

Is there any sample programs available for 2004.2 B version. If so please help me to find out this...

Thanks,

Jayakumar