Question

Collection Objects and Text box comparison

Asked by: glenart10

I am trying to use a collection object to store the values that are in 10 text boxes on my form.  

Then I try to see if any of those values match up with a specific value called HitBox (it could be anything).  
If there is no match, I want the routine to give a message box telling the user to try entering the correct value in one
of the text boxes in the form.  

My text box names are Tab_Name_i   where i =1 to 10
STATUS_TEXT is a textbox object which gives the user periodic update information.  

Here is what I have so far which does NOT blow up but does not work either.  

Dim Col As New Collection
Dim i As Integer
            ' Get data from textboxes on Country_Tab_Name Form
               
                Col.Add Me.Tab_Name_1
                Col.Add Me.Tab_Name_2
                Col.Add Me.Tab_Name_3
                Col.Add Me.Tab_Name_4
                Col.Add Me.Tab_Name_5
                Col.Add Me.Tab_Name_6
                Col.Add Me.Tab_Name_7
                Col.Add Me.Tab_Name_8
                Col.Add Me.Tab_Name_9
                Col.Add Me.Tab_Name_10
               
            ' Search collection object COL
                   
                        For i = 1 To 10
                            If Col.Item(i) = "Hitbox" Then
                                Me.STATUS_TEXT.SetFocus
                                STATUS_TEXT.Text = "Found HitBox Tab"
                            Else
                                MsgBox ("The HitBox name/tab was not found on this form. ABORTING")
                            End If
                        Next i

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Asked On
2006-10-05 at 17:42:51ID22014923
Tags

collection

,

text

,

box

,

object

Topic

Visual Basic Programming

Participating Experts
3
Points
100
Comments
6

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Answers

 

by: matthewspatrickPosted on 2006-10-05 at 17:50:25ID: 17673373

Hi glenart10,

>  If Col.Item(i) = "Hitbox" Then

Remember that by default VB uses the binary comparison method, which is case-sensitive (and so Hitbox <> HitBox).
For text comparisons, it is always safest to either:

1) Make both sides of the comparison the same case (perhaps by using UCase of LCase) or
2) Using the StrComp function, with vbCompareText for the third argument (text comparison is *not* case-sensitive).

Regards,

Patrick

 

by: matthewspatrickPosted on 2006-10-05 at 17:58:28ID: 17673396

glenart10,

Also, you probably want to add an Exit For statement after finding your entry...

Regards,

Patrick

 

by: glenart10Posted on 2006-10-05 at 18:14:20ID: 17673450

How would go about using StrComp and Exit For ?  Here is my try.  Thanks mathewpatrick.


For I =1 to 10
            If StrComp(Col.Item(i),Hitbox,1) = 0 Then
                     Me.STATUS_TEXT.SetFocus
                     STATUS_TEXT.Text = "Found HitBox Tab"
Next i
Exit For
           Else
                MsgBox ("The HitBox name/tab was not found on this form. ABORTING")
           End If
                       




 

by: AzraSoundPosted on 2006-10-05 at 22:14:07ID: 17674196

BTW, unless you really need that collection, you could simplify your code using something like this:


Dim blnFound As Boolean
blnFound = False

For i = 1 To 10
    If UCase$(CallByName(CallByName(Me, "Tab_Name_" & i, VbGet), "Text", VbGet)) = "HITBOX" Then
        Me.STATUS_TEXT.SetFocus
        STATUS_TEXT.Text = "Found HitBox Tab"
        blnFound = True
        Exit For
    End If
Next

If blnFound = False Then
    MsgBox ("The HitBox name/tab was not found on this form. ABORTING")
End If



Optionally, you can create a control array to iterate over your textboxes.  Just create your first textbox named Tab_Name, for example, and set its Index property to 0.  Then name the next textbox Tab_Name also and it should take on the Index value of 1, etc, until you have 10 textboxes.  Then you can do:

For i = 0 To 9
    If Me.Tab_Name(i).Text = "HitBox" Then
etc....

 

by: mrdanyPosted on 2006-10-06 at 03:04:55ID: 17675090

Glenart10, here's the full code you need...

Dim Col As New Collection
Dim i As Integer, Found As Boolean, CaseSensitive As Boolean, SearchText As String
Found = False

CaseSensitive = False 'if you want the search to be case sensitive replace it by true
SearchText = "Hitbox" 'here's the item you are searching for

Col.Add Me.Tab_Name_1.Text
Col.Add Me.Tab_Name_2.Text
Col.Add Me.Tab_Name_3.Text
Col.Add Me.Tab_Name_4.Text
Col.Add Me.Tab_Name_5.Text
Col.Add Me.Tab_Name_6.Text
Col.Add Me.Tab_Name_7.Text
Col.Add Me.Tab_Name_8.Text
Col.Add Me.Tab_Name_9.Text
Col.Add Me.Tab_Name_10.Text
               
For i = 1 To 10
    If (CaseSensitive And Col.Item(i) = SearchText) Or (Not CaseSensitive And LCase(Col.Item(i)) = LCase(SearchText)) Then
        Found = True
        Exit For
    End If
Next i
If Found Then
    Me.STATUS_TEXT.SetFocus
    STATUS_TEXT.Text = "Found HitBox Tab"
Else
    MsgBox "Not Found"
End If

Hope this helps.. :)
Dan

 

by: mrdanyPosted on 2006-10-06 at 03:12:04ID: 17675110

optionally, and as azrasound also suggested...

i would have done it using control arrays...
my textboxes would be:
tab_name(0)
tab_name(1)
tab_name(2)
tab_name(3)
...
tab_name(9)

and the loop to check would become
for i=0 to 9
if tab_name(i).text="hitbox" then
found=true
exit for
end if

if found... (use code above)

20120131-EE-VQP-002

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