C sharp - html a texto plano

.cs

HtmlGenericControl divcontrol = new HtmlGenericControl();

divcontrol.Attributes["class"] = "sxro sx1co";

divcontrol.TagName = "div";

pnlUserSearch.Controls.Add(divcontrol);

Label question = new Label();

questionDescription.Text = "text";

divcontrol.Controls.Add(question);

.aspx

<asp:Panel runat="server" CssClass="sxpnl" ID="pnlUserdata"></asp:Panel>

.cs

string htmlCode="<div><input></input></div>";

lblHtml.Text=htmlCode;

.aspx

<asp:Label ID="lblAny" runat="server"></asp:Label>

.cs

string htmlCode="<div><input></input></div>";

string script = @"addHtml("+htmlCode+")";

ScriptManager.RegisterStartupScript(this, typeof(Page), "invocarfuncion", script, true);

.aspx

<div id="content"></div>

.js

function addHtml(stringHTML){

$("#content").empty();

$("#content").append(stringHTML);

}