Ajax with Java script

Here is the link - http://sdrv.ms/DevCon2012-ClientSideScriptingControls

Concatenating Row Values
http://www.simple-talk.com/sql/t-sql-programming/concatenating-row-values-in-transact-sql/

Access Viewstate from javascript in ASP.net

1)<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="..." />
var vCode = documents.forms[0]['__VIEWSTATE'].Value;
alert(dateView);

2)var viewState = document.getElementsByName('__VIEWSTATE');
or
var viewState = document.document.getElementById(('__VIEWSTATE')

3)This code explains how to access VIEWSTATE hidden field value from javascript which is in encrypted format. How do we decrypt it? var key_value = ‘<%=ViewState[“Key_Name”] %>’