AjaxControlToolkit.ComboBox.CreateChildControls C# (CSharp) Method

        protected override void CreateChildControls()
        {
            if(Controls.Count < 1 || Controls[0] != ComboTable) {
                Controls.Clear();
                ComboTableTextBoxCell.Controls.Add(TextBoxControl);
                ComboTableButtonCell.Controls.Add(ButtonControl);
                Controls.Add(ComboTable);
                Controls.Add(OptionListControl);
                Controls.Add(HiddenFieldControl);
            }
        }