What is the syntax to check the value of a textbox?

If <textbox name>.Value = "<value textbox should be>" Then
   <code to be run, provided correct textbox value was entered>
End If
'example
If txtName.Value = "" Then
     Msgbox ("No name was entered!")
End If
Advertisements

Tips for User Interface Design [updating]

  1. Use simple dialog understandable by your target user (ie) no jargon
  2. Rely little on user memory (ex) lesser steps for user to memorize/follow
  3. Output meaningful error messages (ex) when error happens, tell them using normal english vs something like “error code 1035”
  4. Avoid limitless choices (ex) Give them a limit of choices as often as possible, vs an open text field that could produce all sorts of data mismatch errors
  5. Always have an exit (ie) never put user in a place where they cannot go back or get out
  6. Exploit consistency (ie) familiarity equates speedy learning
  7. Provide continuous feedback (ex) instead of just a loading bar, have a label underneath that tells the user what step the computer is on
  8. Purpose (not beauty) dictates design (ex) look at how ugly but popular sites like Reddit, Craigslist are