Save changes on close form

Dear All

I'm using SDAC 3.50 on Delphi 7.1. I have 2 forms for cutomers:

1- The first form is for displaying in a dbgrid Some details of the
customers. The form contains a Dbgrid, a datasource, a Tmsquerry and 3
buttons (New, Edit and delete). (the querry is in browse mode only -
No Editing)
2- The second form is for Editing, Posting new records and deleting
With one other querry.

My first problem is how to send the current record to the second form
for editing or deleting.

My second problem is that When the user has do some changes without
posting (New record or when editing) and wants to close the second
form, I Want to ask him before closing the form if he wants to save the
changes or not. The property (Changecount used in dbexpress don't exist
in Sdac).

Thanks a lot for your help.

.

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