A
Anthony Viscomi
I have an Invoice frm (& tbl) and I want to allow the user to enter an
invoice # and select a vendor from a cboVendor. But if that Vendor and
Invoice# combination already exist; then display msg.
Simply put, how do I prevent entering a duplicate invoice from th same
vendor?
Thanks in advance!
Anthony
invoice # and select a vendor from a cboVendor. But if that Vendor and
Invoice# combination already exist; then display msg.
Simply put, how do I prevent entering a duplicate invoice from th same
vendor?
Thanks in advance!
Anthony