this is my program:
Database9.zip
I want
1- duplicate error when name + family + telephone is same
2- duplicate error when accountno is same
this is my program:
Database9.zip
I want
1- duplicate error when name + family + telephone is same
2- duplicate error when accountno is same
Research unique index
Make a unique index for
a) name + family + telephone and
b) accountno
For general approach http://en.allexperts.com/q/Using-MS-...alue-check.htm
For a similar request previously see
https://www.accessforums.net/databas...ers-30927.html