Looping through controls

[nbruckelmyer]

I am trying to loop through my controls on my web page, and perform some operation on the textboxes. This don't seem to be working.

Thanks.

Dim oCurr As Object
'-Loop through each of the controls on the form
For Each oCurr In Me.Controls()
'- Check to see if the control is a text box
If TypeOf oCurr Is TextBox Then
'-If so, toggle the properties
If bEnable Then
oCurr.BackColor = System.Drawing.Color.White
Else
oCurr.backcolor = System.Drawing.Color.Gray
End If
End If
Next

 

[Custom24]

Hmm
That should essentially work.
One question - where does bEnable come from? I'm suspecting it is just a regular module level variable. In that case, remember that you'll need to use a viewstate or session variable because asp.net is stateless.



Mark

 

[jfrost10]

Try Me.Page.Controls.

I've had to do similar things, and from what I remember the last time, the Page object was the container for the controls (Me <> Page).

Give it a try, and let us know if it works out.

D

p.s. You could also write a recursive sub that just takes a control, sees if it has any controls in its control collection, and if it does check if its a textbox or not. We did this so that if a text box was on teh page, but was part of another control (like a datagrid or a panel), we could still get to it. But see if the me.page.controls works first, then we can talk about his further.

 

[nbruckelmyer]

I think I figured it out. I had to loop through the Page Controls then the child controls of each page control.

Check it out.

Dim oCurr As Object
Dim c As Control
Dim childc As Control
For Each c In Page.Controls
For Each childc In c.Controls
If TypeOf childc Is TextBox Then
If bEnable Then
oCurr = childc
oCurr.backcolor = System.Drawing.Color.White
Else
oCurr = childc
oCurr.backcolor = System.Drawing.Color.Gray
End If
End If
Next
Next