When I was validating this page to w3.org the i was receiving error  character "&" is the first character of a delimiter but occurred as data. It was not validation this control and showing a message for change it to & but it was already written in html. To validate this, write text containing & sign on page load.
My code was:
 When I was validating this page to w3.org the i was receiving error  character "&" is the first character of a delimiter but occurred as data 
Solution for Hyperlink validation is.... Write the text on page load
		hlnkVision.Text = "Vision & Mission";