protected override void InitializeComponent() { base.InitializeComponent(); txtInsertTable = new TextBox(); //txtInsertTable.Attributes.Add("style", "display:none"); txtInsertTable.TextMode = TextBoxMode.MultiLine; txtInsertTable.ID = TXT_INSERT_TABLE; thirdPanel.Controls.Add(txtInsertTable); btnInsertTable = new Button(); btnInsertTable.Text = "Insert"; btnInsertTable.CssClass = "otherButton"; btnInsertTable.Click += new EventHandler(btnInsertTable_Click); thirdPanel.Controls.Add(btnInsertTable); // panel insert multiple warning Panel fourthPanel = GetFourthPanel(); Panel pnlInfo = PageControls.generateInfoPanel(); fourthPanel.Controls.Add(pnlInfo); btnInsertMultipleWarningOk = pnlInfo.FindControl(PageControls.BTN_INSERT_MULTIPLE_WARNING_OK) as Button; extenderInfo = PageControls.generateInfoExtender(); fourthPanel.Controls.Add(extenderInfo); LinkButton btnDummy3 = new LinkButton(); btnDummy3.ID = PageControls.BTN_DUMMY_INFO; fourthPanel.Controls.Add(btnDummy3); }