system.data.providerbase.dbconnectionfactory.trygetconnection(dbconnectionowningconnection,taskpletionsource`1retry,dbconnectionoptionsuseroptions,dbconnectioninternaloldconnection,dbconnectioninternal&connection)+941
system.data.providerbase.dbconnectioninternal.tryopenconnectioninternal(dbconnectionouterconnection,dbconnectionfactoryconnectionfactory,taskpletionsource`1retry,dbconnectionoptionsuseroptions)+143
system.data.providerbase.dbconnectionclosed.tryopenconnection(dbconnectionouterconnection,dbconnectionfactoryconnectionfactory,taskpletionsource`1retry,dbconnectionoptionsuseroptions)+17
system.data.sqlclient.sqlconnection.tryopeninner(taskpletionsource`1retry)+139
system.data.sqlclient.sqlconnection.tryopen(taskpletionsource`1retry)+448
system.data.sqlclient.sqlconnection.open()+130
newfolder1.class1.user(stringipkey,stringrz,int32cl)+154
webapplication1.api.processrequest(contextcontext)+499
system.web.callhandlerexecutionstep.system.web.application.iexecutionstep.execute()+814
system.web.application.executestepimpl(iexecutionstepstep)+132
system.web.application.executestep(iexecutionstepstep,boolean&pletedsynchronously)+73
版本信息microsoft.framework版本4.0.30319;asp.版本4.8.4110.0
_c