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MaxLength

Posted on 2002-04-16
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Last Modified: 2010-05-02
Hello All,

I want my VB program to limit the number of charactors a user enters into a field (LName) being saved to the database. I guess I would setup a Public constant:

(Public Const con_LName As Integer = 5)

On Save....

If Me.LName.MaxLength > con_LName then
  do something (Trim) with the length of text.(What?).
End IF

OR

On Change....

If Me.LName.MaxLength > con_LName then
     Beep
Exit Sub
End IF



I want to do this because each time a try to save a record that one of the fields are longer than the database will allow, I receive an error message.

Is there a better way of doing this check, then fix?

ADawn

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Comment
Question by:ADawn
  • 3
5 Comments
 
LVL 5

Expert Comment

by:rkot2000
ID: 6944919
just set  MaxLength propery for textbox, in this case you can't type more chars then maxlength.
0
 
LVL 5

Expert Comment

by:rkot2000
ID: 6944928
in some programs i am setting maxlen dynamicly like this during form_load event
for varchar fields :

textbox1.MaxLength = rs.fields(myfield).definedsize
0
 
LVL 5

Accepted Solution

by:
rkot2000 earned 40 total points
ID: 6944937
or you can use your solution :

If Me.LName.MaxLength > con_LName then
 dim s as string
 s=left(me.LName.Text, con_LName)
 'do something with s

End IF
0
 
LVL 1

Expert Comment

by:TechJD
ID: 6946023
you could alway increase the field lenght in the database
0
 

Author Comment

by:ADawn
ID: 6947761
Good Suggestions - Thanks, ADawn
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