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asp combo box

Last Modified: 2012-06-27
hey guys i am having problem with clearing a asp combo box.

here is whats happening:

when i excute items.clear() it clear the items in the combo box but i have to click the combo box than the items get clear. if i do not click the text area the item that was selected remains there.

i looked in the internet and found some thing


it works fine for clearing 1 combo box, but i have 2 and more.

here my code:


    public void Clear(Control ComboBox)
        ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "Script", "function pageLoad() { $find('" + ComboBox.ClientID + "').get_textBoxControl().value = ''; }", true);

i think why it is not clearing the other two is because of the

pageLoad()   cause of the page only loaded once

can any one help me?
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