How to connect IIS to database?
Click the Add Connection button on the Database Manager toolbar. In the Connection name text box, type a connection name. In the Database provider list, select the provider that you would like to use to connect to the database. (For example, to connect to a SQL Server database, select the System.
How do I allow IIS to access SQL Server?
Right-click your application and then click Properties. On the Directory Security tab, click Edit. In the Authentication Methods dialog box, clear the Anonymous Access check box, and then do one of the following: If SQL Server is on the same computer as IIS, select the Integrated Windows authentication check box.