I have made a program in VB 2005 with SQL 2005 as back end. In the data base there are three fields which are unique id of a person. I want to display "Already Exist" message box when I enter an already existing id. matching all three fields and not allow duplicate entry.
Software/Hardware used: Visual basic with SQL2005 as back end[Br _extended="true" /> At the same time I want the data to be displayed in one report Can anyone tell me what codes should be used for this.