In the Visual Studio, it will generate datasource like this :
<asp:SqlDataSource ID="SqlDataSource2" runat="server"
ConnectionString="<%$ ConnectionStrings:AdventureWorksConnectionString1 %>"
SelectCommand="SELECT top 10 * FROM [Address]">
</asp:SqlDataSource>
when run it, it will say 'invalid object'. then I found it out, it should be
[AdventureWorks].[Person].[Address]
The connection string is
<connectionStrings>
<add name="AdventureWorksConnectionString1" connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=AdventureWorks;Integrated Security=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
Then how to config in VS to use this format ?
Initial Catalog=AdventureWorksis missing and your query is directed against the master database.