system.data.providerbase.dbconnectioninternal.tryopenconnectioninternal(dbconnectionouterconnection，dbconnectionfactorynnectionfactory，taskpletionsource`1retry，dbconnectionoptionsuseroptions) 143
system.data.providerbase.dbconnectionclosed.tryopenconnection(dbconnectionouterconnection，dbconnectionfactorynnectionfactory，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
nefolder1.class1.user(stringipkey，stringrz，int32cl) 154
ebapplication1.api.processrequest(contextntext) 499
system.eb.callhandlerexecutionstep.system.eb.application.iexecutionstep.execute 814
system.eb.application.executestepimpl(iexecutionstepstep) 132
system.eb.application.executestep(iexecutionstepstep，boolean&pletedsynchronously) 73
版本信息:microsoft.netframeork版本:4.0.30319;asp.net版本:4.8.4110.0