How to rename labels from 1 to 50 in VB.NET ?

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VB

Public Sub Rename(ByVal k As Integer)
        Dim lbl As Label
        Dim j As Integer
        For j = k To 50
            lbl = Controls("Label" + j.ToString())
            lbl.Text = (j - 1).ToString()
            Next
    End Sub

I want to change the label text from label k to label 50. k will be given as input. I tried the above code. it's working in other project. but in my current project it's
not working. is thr any other way to rename labels in VB.NET?

Posted 21-Feb-15 22:49pm

dipankarnalui

Updated 22-Feb-15 18:31pm

RajeeshMenoth

v2

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Comments

Tomas Takac 22-Feb-15 5:09am

What do you mean by "it doesn't work"? What exactly does the Controls() method? Or is it an array or dictionary? This is why I don't like VB.NET...

3 solutions

Solution 1

Try using the Page.FindControl[^] method.

Posted 21-Feb-15 23:59pm

OriginalGriff

Comments

dipankarnalui 22-Feb-15 11:34am

i want to use labels in my project. i want to increase the label.text at run time. suppose if the label.text is 2 then at run time it will be 3. like wise i want to implement for 50 labels inside a for loop. suppose i have 50 labels. label1 to label50. now in run time i want to show that label1.text= 2 , label2.text = 3 and so on...

OriginalGriff 22-Feb-15 12:13pm

Yes, I guessed that...now, did you try FindControl?

dipankarnalui 22-Feb-15 21:04pm

FindControl is not a member of System.EventArgs

OriginalGriff 23-Feb-15 6:07am

Who said it was?

dipankarnalui 23-Feb-15 7:06am

it was the error while using FindControl.. OK thank u all.. actually problem was with cross thread ..

Solution 3

System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls = False

Posted 23-Feb-15 1:21am

dipankarnalui

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FinickyCoder · Accepted Answer · 2015-02-23T00:00:00

Try to use Page.FindControl("Label" + j.ToString())

look at the code below....

C#

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

       Dim i As Integer = 1
       Rename(i)

   End Sub
   Public Sub Rename(ByVal k As Integer)

 Dim lbl As Label
       Dim j As Integer
       For j = k To 11
           lbl = Page.FindControl("Label" + j.ToString())
           lbl.Text = (j - 1).ToString()
       Next
   End Sub