Untitled Page AutoGenerateRows="False" DataKeyNames="CustomerID"> DataField="CustomerID" SortExpression="CustomerID" Visible="False" /> DataField="CompanyName" SortExpression="CompanyName" /> SortExpression="ContactName" /> SortExpression="ContactTitle" /> SelectCommand="SELECT * FROM [Customers]" ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"> File: Web.config connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True" providerName="System.Data.SqlClient" />