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)+498

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