bdc calltransaction

hai

iam doing bdc. here the screen values

material:tvs

industry sector:m

material type:coupns

material description:tata

base uint of measure:ea

genaral item category:ehe

here iam giving genaral item caegory is wrong

if i save the data its should display the general item cagory is wrong..

here i think i have to use bdcmsgcall

here help the code how to write bdcmsgcall.