Thanks Chris , i understood now that we use Showdialog to invoke the forms instead of Run. Tried it and ran successfully , now i am able to pass data to and from between the form and cobol code. I queired this as in our old programs we load the screens after entering the cobol code and then pass the data to and fro . But in .Net application we have GUI layer as top layer and the Business layer and then the data layer under it . Do we have any tools/techniques where in i can covert my screen sections of cobol into Winforms easily so that i dont break my existing cobol code flow and directlty invoke forms instead of screens. Regards, Zoeb
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