i have a form where a user inputs values into the a textbox (one for customerID and DueDate) and if validations run and is good, the user presses a button and the information is added to a new table. However, the user cannot enter the same customerID for the same due date textboxes, how would i write and if/then statement for this validation? thanks so much
here is a picture of what my form looks like:
http://i130.photobucket.com/albums/p...rmeasytrak.jpg