protected void Button2_Click(object sender, EventArgs e) { if (HiddenField1.Value == "true") { Panel1.Controls.Clear(); } else { HiddenField1.Value = "true"; } XMLTransformer transf = new XMLTransformer(); foreach (WebControl w in transf.ListOfControls(DropDownList1.SelectedValue)) { Panel1.Controls.Add(w); Panel1.Controls.Add(new LiteralControl("<br />")); } }
protected void Page_Load(object sender, EventArgs e) { string validade = HiddenField1.Value; if (!IsPostBack) { XMLReader RedEngine = new XMLReader(); DropDownList1.DataSource = RedEngine.ListOfListBox(); DropDownList1.DataBind(); } else if (validade == "true") { Panel1.Controls.Clear(); XMLTransformer transf = new XMLTransformer(); foreach (WebControl w in transf.ListOfControls(DropDownList1.SelectedValue)) { Panel1.Controls.Add(w); Panel1.Controls.Add(new LiteralControl("<br />")); } } }