WebUserControl and Dynamic Control Creation

I've a simple web user control, inside it, I've some dropdownlists that I populate and fill them in Page_Init event of page.
When I drag and drop my control on page, it works well and as expected.

But when I try to dynamically add controls to a page, (for example in Page_PreInit event of the page, by coding:
        WebUserControl w = new WebUserControl();
        this.Controls.Add(w);
)

"Object reference not set to an instance of an object." error occurs (for this.DropDownList1.Items.Add("1");)

I think I should read more about Page Life Cycle, but any direct help, would be highly appreciated.
LVL 12
Mortaza DoulatyAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

varungdCommented:
Add a 'PlaceHolder' and try like this.
 

Control FeaturedProductUserControl = LoadControl("WebUserControl1.ascx");
            PlaceHolder1.Controls.Add(FeaturedProductUserControl); 

Open in new window

0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
ASP.NET

From novice to tech pro — start learning today.