Web. settings in config: <appsettings> <addkey = "connnew" value = ".; uid = sa; Pwd = 123; database = glassoffice "/> </appsettings> <connectionstrings> <addname =" connku "connectionstring =" Data Source = .; initial catalog = tongjinet; user id = sa; Password = 123 "providername =" system. data. sqlclient "/> </connectionstrings> connsql in app_code. setting in Cs: using system. data. sqlclient; public class connsql {public connsql () {// todo: add the structure here Function logic //} public static sqlconnection createconnection () {return New sqlconnection (configurationmanager. connectionstrings ["connku"]. tostring ();} public static sqlconnection createconnection2 () {return New sqlconnection ("Server =" + configurationsettings. appsettings ["connnew"]. tostring () ;}} default. ASP. setting in Cs: sqlconnection conn = connsql. createconnection (); sqlconnection conn2 = connsql. createco Nnection2 (); Note: You can access different databases at the same time.
