How to Encryption URL querystring parametes in sqlserver2008R2?

See more:

ASP.NET

SQL

Hi,
I am designed html page in sqlserver and with hyperlink which means this redirect to next page.
I am passing passing two parameters as querystring parameters in URL in Sqlserver.
How to Encrypt parameter in Sqlserver?

then I want to decrypt url querystring value in asp.net page.

Now

DECLARE @HTMLPAGE NVARCHAR(120)

SELECT @HTMLPAGE = @HTMLPAGE +' '+'<br>
		<span style="font-size:12px;font-weight:normal;color:#FFFFFF;font-family:arial;">
		To Click  <a href="'+ 'www.abc.com/test2.aspx?unid=' + @TestEmailBCC+'&bid='+ @ID 
	SELECT @HTMLPAGE = @HTMLPAGE +'" style="color:#FFFFFF;text-decoration:underline;font-size:12px;font-weight:Bold;">Click here</a></span>
		<br>
		</div>
		</div>'

I will send these conent with link in mail.
Thanks in advance.