Question

Clear Textboxes except one

Asked by: Exl04

How can I clear all the textboxes in a form (I want to use the AfterUpdate Event in a combox) to clear all the textboxes except one the combo box Im using to trigger the code?

Private Sub MyComboBox_BeforeUpdate(Cancel As Integer)    
 Dim ctrl As Control 
For Each ctrl In Forms("MyForm").Controls
    If ctrl.ControlType = acTextBox Then
       Set ctrl.Value = ""
    End If
Next
Code do stuff here
End Sub
                                  
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Asked On
2009-11-03 at 08:55:17ID24867800
Topics

SQL Query Syntax

,

Microsoft Access Database

Participating Experts
2
Points
500
Comments
18

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Answers

 

by: DatabaseMXPosted on 2009-11-03 at 09:00:41ID: 25731006



Private Sub MyComboBox_BeforeUpdate(Cancel As Integer)    
 Dim ctrl As Control
For Each ctrl In Forms("MyForm").Controls
    If ctrl.ControlType = acTextBox AND Ctrl.Name<>"ThatTextBoxName"  Then
        ctrl.Value = Null  ' change here
    End If
Next

End Sub

 

by: DatabaseMXPosted on 2009-11-03 at 09:01:34ID: 25731017

Note also that instead of

Set ctrl.Value = ""
 Use

Ctrl.Value = Null   '  Not a good idea to set to a zero length string.

mx

 

by: Exl04Posted on 2009-11-03 at 09:07:07ID: 25731069

DatabaseMX;
I got an error here
ctrl.Value = Null  ' change here
Error 2448
Can not assign a value to this object

 

by: INHOUSERESPosted on 2009-11-03 at 09:08:10ID: 25731084

Are the text boxes bound to a certain recordset?

 

by: DatabaseMXPosted on 2009-11-03 at 09:09:58ID: 25731103

"Can not assign a value to this object "

Probably because that control has a Calculated control source, like

=<SomeExpression>

?

 

by: INHOUSERESPosted on 2009-11-03 at 09:13:57ID: 25731152

In this case, you'll need to remove that calculated control before you can clear it. However, I assume that you want to place more values in the boxes later?

 

by: Exl04Posted on 2009-11-03 at 09:18:14ID: 25731188

The textboxes are use to show a top5 from a recordset, but when I use the simple textbox = it works. This  particular combox Im running the code from is a small table I use to let user choose the criteria for the recordset filling the textboxes.
Al I need to do is clear all the textboxes before I run the code to fill them with the records set values.
Im filling these with a top5 but sometimes the top5 query may return less than 5 so I need to clear them before run the code again&
No calculated fields

 

by: DatabaseMXPosted on 2009-11-03 at 09:25:19ID: 25731272

Try this quick and dirty fix:

 Dim ctrl As Control
 For Each ctrl In Forms("Form1").Controls
    If ctrl.ControlType = acTextBox And ctrl.Name <> "ThatTextBoxName" Then
        On Error Resume Next
        ctrl.Value = Null  ' change here
        Err.Clear
    End If
Next

mx

 

by: Exl04Posted on 2009-11-03 at 09:46:04ID: 25731497

It works!, can you explain why?

thanks!

 

by: DatabaseMXPosted on 2009-11-03 at 09:49:22ID: 25731524

Well, It's basically ignoring that error you are getting ... which I can emulate IF ... I make a one of the controls a calculated control.  Not sure what is going on in your case however.

mx

 

by: Exl04Posted on 2009-11-03 at 10:02:55ID: 31649506

" Not sure what is going on in your case however."
That is the reason I was asing why it work...or in anohter words why it didnt work before clearing the error. So I should be looking for a textbox (got like 30) that may be rising a calculated field? if the records set is only filling the textboxes why will it be a calcuated field? I got 2 that take a date can this be anohter reason for hte error?

 

by: DatabaseMXPosted on 2009-11-03 at 10:07:39ID: 25731706

Why the grade of B ?

 

by: Exl04Posted on 2009-11-03 at 10:16:52ID: 25731772

MX, we are just ignoring the error, and not finding with a complete solution..I think I needed to probably prove more information..

 

by: DatabaseMXPosted on 2009-11-03 at 11:18:55ID: 25732444

Well, w/o seeing your mdb ... and if you say there are no calculated text box controls, then I don't know off hand what else would result in "Can not assign a value to this object ".

"Author Comments:
" Not sure what is going on in your case however."
That is the reason I was asing why it work...or in anohter words why it didnt work before clearing the error. So I should be looking for a textbox (got like 30) that may be rising a calculated field? if the records set is only filling the textboxes why will it be a calcuated field? I got 2 that take a date can this be anohter reason for hte error?"

>>"So I should be looking for a textbox (got like 30) that may be rising a calculated field?"

Are you positive there are no text boxes with calculated controls?  That is about the only reason that error would occur, so ...  I used the On error Resume Next.

mx

 

by: Exl04Posted on 2009-11-03 at 18:08:16ID: 25735801

DatabaseMX:
First of all I want to apologized for not following your instructions correctly;
I keep looking for calculated fields in the form until I found 5! I went one by one in the immediate window unit I came across the value of what I thought I had a label caption (as a title of s subcategory ) as title BUT it was a textbox with a = "(" & top5FirstIssue_TXT.Value & ")" So here is the calculated field!
You were right if you dont have the Db you can debug it, so it was my fault not provide all the right information.
This form had a top5 (5 txtboxes) and the top5 of the top5 (25txt's more) and the titles of these subcategories...you understand mess trying to populate these with a recorset.
DbMX I take my hat again and I evaluate you help as an A+
Thanks
IgnBan

 

by: DatabaseMXPosted on 2009-11-03 at 20:20:56ID: 25736385

no problem.  It's good to know that WAS the cause of the error.

mx

 

by: Exl04Posted on 2009-11-04 at 05:11:30ID: 25738907

The only reason I'm here in this forum is to learn, and I appreciated every time something like this happen and you guys show your professionalism and talent.
Lesson learn; Experts answers are as good as your question
Thanks
IgnBan

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