display html content in a textbox

HI,

You can do it by making the validation property to false in the page like:

<%@ Page Language="C#" AutoEventWireup="true" ValidateRequest="false" CodeFile="Availability.aspx.cs"
    Inherits="Availability" %>

But storing the HTML data in the database creates some security problems. To avoid that you can use HTMLEncode() and HTMLDecode() Technique.

Thanks

Of course. If you put HTML code in an input control (your TextBox is rendered as HTML input element), you can show the HTML source code, if you copy this code as is to the value.

If you want to show source HTML code in some non-input control, it will be shown as rendered HTML. If you want to show raw source code, you just need to escape all HTML markup with character entities. Here is the list of them:
http://www.w3.org/TR/html4/sgml/entities.html[^].

In .NET, you can do it, if you use System.Web.HttpServerUtility.HtmlEncode: http://msdn.microsoft.com/en-us/library/system.web.httpserverutility.htmlencode.aspx[^].

OK, I see. The question is very ambiguous (please see my comment to the question). I can see yes another possible meaning of it. Perhaps you mean to show rendered HTML in TextBox. No, you cannot do it. Use some non-input element.

—SA