Refresh Form Based on Selection

Greetings all!

I have created a simple form. I'm trying to set it up so some questions only display based on your answer to other questions. If a person selects a radio button option of YES I would like to show the controls that relate to answering yes to that question. I'm thinking I can do something like this....

Private Sub RadioButtonList2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButtonList2.SelectedIndexChanged
If RadioButtonList2.SelectedValue = "Yes" Then
'Code to refresh the page and save values????
Label1.Visible = True
TextBox1.Visible = True
End If
End Sub

I'm thinking I can have the items visible property set to false when the form first loads. My question is how do I force the form to refresh and STILL keep the values already entered in the form? Is this possible?
2/26/2004 9:02:38 PM 93655 articles. 5 followers. Follow

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Sure. Just set the "Autopostback" property on your radiobutton list to "True" and all will  be well.

One 'gotcha that stings a lot of newbies is forgetting to check "IsPostBack" in Page_Load and databinding their lists on every time instead of only the first time through (when IsPostBack is False).


MS MVP ASP.NET [VC++/MFC emeritus]

Old Dog Learns New Tricks

Preferred programming language: cuneiform on clay tablets
2/26/2004 9:05:03 PM
Worked like a charm.

You should have seen the code I had to write in Javascript to do this with old ASP....
2/26/2004 9:20:36 PM
I think I spoke too soon...  

It works BUT is there a way to return focus back to the control that the user clicked? Right it goes to the top of the screen and user has to scroll down to continue filling out the form...
Thanks again!
2/27/2004 4:33:03 AM
There's a free control that will do this for you:

Free SmartScroller Control
Louis Estrada, Strength Technologies

MS MVP ASP.NET [VC++/MFC emeritus]

Old Dog Learns New Tricks

Preferred programming language: cuneiform on clay tablets
2/27/2004 4:02:44 PM
My last statement stands.  I love ASP.NET.

Thanks Jim. That worked perfectly.
2/27/2004 5:34:04 PM

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