CODE EXAMPLE FOR CSHARP

c# codebehind Append div

 HtmlGenericControl divcontrol = new HtmlGenericControl();
 divcontrol.Attributes["class"] = "sxro sx1co";
 divcontrol.TagName = "div";
 pnlUserSearch.Controls.Add(divcontrol);
 Label question = new Label();
 questionDescription.Text = "text";
 pnlUserSearch.Controls.Add(question);