DataGrid is out and GridView is in.
AJAX Control Kit - available off codeplex. Has all the stuff you need.
Global.asax no longer has a Global.asax.cs code behind but all code can be run in it anyway. Using keyword wont work but can be emulated with <%@ Import Namespace="System.Data.SqlClient" %>
Conn Strings in web.config:
<configuration>
<connectionStrings>
<add name="HRDWConnString" connectionString="Data Source=.;Initial Catalog='HR DW';Integrated Security=True" providerName="System.Data.SqlClient"/>
</connectionStrings>Access using:
string connStr = ConfigurationManager.ConnectionStrings"HRDWConnString".ConnectionString;
Master Pages
After creating one create a web form and take the option to nominate a master page. Where the master pages
asp:contentholder control has an id that matches the web form's
asp:content control's ContentPlaceHolderID property e.g. ContentPlaceHolderID="ContentPlaceHolder1", then the contents of that content control will be put into the master page.