genaral trayiocn program,main for primary user.-genaral trayiocn program, main for primary user.

Query Builder is a custom web control which allows the user to build a query and verify/execute it. The web control lists all of the layers that are available on the primary map resource. When a user selects a layer, the query automatically populates

用户登录，提示输入用户名和密码模块，实现初级的交互界面.-The user login prompt for user name and password module, the primary interface.