Solved

How to update textbox value using global string variable as textbox name

Posted on 2008-11-01
4
442 Views
Last Modified: 2012-05-05
I would normally use the following line of code to update the value of a date textbox in a form.......

SpecificForm.DateTextBox.Text = Format(MonthCalendar1.SelectionStart, "MM/dd/yyyy").ToString

BUT, in this particular sub routine I need to be able to update various maskedtextboxes as shown above using a global variable that has the name of the textbox stored in it.  Using a select case I'm able to identify the form that contains the date field, but I need to be able to use the global variable in updating the textbox because there are multiple date fields on various forms....as opposed to one date field.

How can I replace "DateTextBox" with the global variable to accomplish the task?
0
Comment
Question by:TSFLLC
  • 2
  • 2
4 Comments
 
LVL 3

Expert Comment

by:bigdaddyz99
ID: 22859819
You should be able to access the control  by using the form and "finding" the control by name.

dim tbname as string = "mytextbox"

Dim tb As TextBox = CType(Me.FindControl(tbname), TextBox)
tb.Text = "mytext"
0
 

Author Comment

by:TSFLLC
ID: 22860772
I see FindForm in the list but I do not see FindControl.

I'm using VB2005 and Framework 2.0.
0
 
LVL 3

Accepted Solution

by:
bigdaddyz99 earned 500 total points
ID: 22862052
Here's what I do...
Add a function to your form to find the control,
then in your code, call it like this for a textbox...

 Dim tb As TextBox
 tb = CType(GetControl("mytextbox"), TextBox)
 tb.Text = "123"
    Public Function GetControl(ByVal cn As String) As Control
        Dim c As Control
        For Each c In Me.Controls
            If c.Name.ToLower = cn.ToLower Then
                Return c
            End If
        Next
        Return Nothing
    End Function
 
     

Open in new window

0
 

Author Comment

by:TSFLLC
ID: 22862800
I already had a similar function set up on most if not all of my forms when it came to a textbox.....only with this one I needed to add new functions on about ten forms for MaskedTextBox 's.

And after doing that, the procedure worked like a charm.

Thanks! for the effort.
0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Article by: Kraeven
Introduction Remote Share is a simple remote sharing tool, enabling you to see, add and remove remote or local shares. The application is written in VB.NET targeting the .NET framework 2.0. The source code and the compiled programs have been in…
A while ago, I was working on a Windows Forms application and I needed a special label control with reflection (glass) effect to show some titles in a stylish way. I've always enjoyed working with graphics, but it's never too clever to re-invent …
In an interesting question (https://www.experts-exchange.com/questions/29008360/) here at Experts Exchange, a member asked how to split a single image into multiple images. The primary usage for this is to place many photographs on a flatbed scanner…

829 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question