Some time When you need to use some characters as text like <,> and & in your web page, browsers understand these characters as the part of the html tags and they rendered incorrectly these characters unless characters are escaped as <, >, and & respectively.
This scenario is same in Web browser control in .net. Web browser also rendered these characters incorrectly.
See the following string:
Dim RenderString as String="Welcome to <Authorcode>"
For the correct rendering of above string, we need to encode this string. You can encode this string with the help of System.Web.Server.HtmlEncode() method.
Dim RenderString as String="Welcome to <Authorcode>" Dim EncodedString As String = Server.HtmlEncode(RenderString )
Server.HtmlEncode() method requires to import the System.Web assembly so add the reference this dll in your project.