[RESOLVED] Drop Down Combo

[rjdpa]

So i'm fairly new to the web dev. been a forms programmer most of my career. I'm developing a web page. I have a drop down combo, and a button. When I click the button, I want to be able to get the selected text value of the combo. However, when I do this, it always gives me the first value and when the page "refreshes", the combo returns back to the first selected index.

I'm sure this is a dumb question, but like i said i'm new to the WEB portion of VB.

please help.

thanks.

[penagate]

Thread moved and irrelevant posts deleted.

[sapator]

Not much without your code but a guess:
Use your code inside If Not Page.IsPostBack .
If you press the button the page will do a partial refresh and if your code is outside the ispostback statement i will be re-executed thus recreating the combo.

[rjdpa]

I basically have a web page, with a drop down combo, and a button. When I click on the button, want to get the selectedindex of the combo and let's say put that value in a textbox already on the page.

WHen I do this, I always get the value of 0 no matter which selection I choose from the drop down.

[avrail]

yes that's true ,

agreed with sapator
because you Populate your DropDownList each time when your page is postback
so you need to prevent it from being Populated at the first time.

using

if(!IsPostBack){
// here Populate your DropDownList
}

this will give you the solve to your Problem

[rjdpa]

Thank You! I used it and is now working

[avrail]

ok, that's great

[gep13]

Hello,

The crux of the problem that you were having is with regard to the ASP.Net Page Life Cycle, which is very different to how things work in Windows Forms Applications.

I would highly recommend that you take a look at the following:

http://msdn.microsoft.com/en-us/library/ms178472.aspx

And have a play with it. Set some breakpoints in each of the events that it mentions, and get a solid understanding on how it works.

Any questions, feel free to ask.

Gary