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how to check a form input before saving?

Posted on 1998-09-22
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Last Modified: 2010-05-03
I'm new in VB. I want to write a program  that ask the user to fill out some text box of Personal Information.  
How to make sure all fields in the form are fill out by User before saving the form?
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Question by:kamijp
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by:BergJC
ID: 1436099
How are you going know when to save the form? Are you going to have the user press a button? With a little more detail, I can give you what you need.
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mark2150 earned 400 total points
ID: 1436100
One method is to set a flag varaible and run thru the items looking for blanks.

Assume you have a control array of text boxes

DIM flag AS BOOLEAN
flag = True    'Assume all are filled
FOR ndx = 1 TO Text1.UBound
 IF len( Text1(ndx).Text ) < 1 THEN flag = False
NEXT ndx

When you get out of the loop FLAG will be False if any item is blank.

BergJC is right, this code should be in the CLICK event of your [Submit] button.
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