ASP.NET AJAX's Combobox - Cannot Programatically Change the Selected Item

Question

I'm using the new Microsoft ASP.NET Ajax ComboBox control in my web application, and I'm having trouble figuring out how to programmatically set the selected list item. For example, I have a form to accept addresses and a ComboBox to accept a city name. After the user enters and saves and address, I'd like to reset the form, including the ComboBoxes.

With a regular ASP.NET dropdownlist control I can reset the selected item like below:

City.SelectedIndex = -1;

The ASP.NET AJAX ComboBox control accepts this line of code; but when the page posts back, the previously selected value is still selected. Help would be appreciated.

Update: I tried the following to no avail...

City.ClearSelection();

Answer 1

One Solution for this is use Following 2 Commands Before you load page Second time or make it visible in update Panel

            Combobox1.ClearSelection()
            Combobox1.Dispose()

This will Clear Combobox Value.

Hope this Helps. Took me a while to find it.