如何为 C# 控制台应用程序设置全局异常处理

时间：2021-03-01 19:57:08

标签： c# exception console global handler

我的一个控制台应用程序有很多数据库操作。数据库过载时，会出现控制台SQLException，控制台崩溃。

我不想对每个数据库操作都使用“try catch”。如何在控制台设置全局异常处理，让控制台不再崩溃？

谢谢。

例外：

Exception Info: System.Data.SqlClient.SqlException
   at System.Data.SqlClient.SqlConnection.OnError(System.Data.SqlClient.SqlException, Boolean, System.Action`1<System.Action>)
   at System.Data.SqlClient.SqlInternalConnection.OnError(System.Data.SqlClient.SqlException, Boolean, System.Action`1<System.Action>)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(System.Data.SqlClient.TdsParserStateObject, Boolean, Boolean)
   at System.Data.SqlClient.TdsParser.TryRun(System.Data.SqlClient.RunBehavior, System.Data.SqlClient.SqlCommand, System.Data.SqlClient.SqlDataReader, System.Data.SqlClient.BulkCopySimpleResultSet, System.Data.SqlClient.TdsParserStateObject, Boolean ByRef)
   at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   at System.Data.SqlClient.SqlDataReader.get_MetaData()
   at System.Data.SqlClient.SqlCommand.FinishExecuteReader(System.Data.SqlClient.SqlDataReader, System.Data.SqlClient.RunBehavior, System.String, Boolean, Boolean, Boolean)
   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(System.Data.CommandBehavior, System.Data.SqlClient.RunBehavior, Boolean, Boolean, Int32, System.Threading.Tasks.Task ByRef, Boolean, Boolean, System.Data.SqlClient.SqlDataReader, Boolean)
   at System.Data.SqlClient.SqlCommand.RunExecuteReader(System.Data.CommandBehavior, System.Data.SqlClient.RunBehavior, Boolean, System.String, System.Threading.Tasks.TaskCompletionSource`1<System.Object>, Int32, System.Threading.Tasks.Task ByRef, Boolean ByRef, Boolean, Boolean)
   at System.Data.SqlClient.SqlCommand.RunExecuteReader(System.Data.CommandBehavior, System.Data.SqlClient.RunBehavior, Boolean, System.String)
   at System.Data.SqlClient.SqlCommand.ExecuteReader(System.Data.CommandBehavior, System.String)
   at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(System.Data.CommandBehavior)
   at System.Data.Common.DbCommand.ExecuteReader(System.Data.CommandBehavior)
   at System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher+<>c.<Reader>b__6_0(System.Data.Common.DbCommand, System.Data.Entity.Infrastructure.Interception.DbCommandInterceptionContext`1<System.Data.Common.DbDataReader>)
   at System.Data.Entity.Infrastructure.Interception.InternalDispatcher`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Dispatch[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.__Canon, System.Func`3<System.__Canon,System.__Canon,System.__Canon>, System.__Canon, System.Action`3<System.__Canon,System.__Canon,System.__Canon>, System.Action`3<System.__Canon,System.__Canon,System.__Canon>)
   at System.Data.Entity.Infrastructure.Interception.DbCommandDispatcher.Reader(System.Data.Common.DbCommand, System.Data.Entity.Infrastructure.Interception.DbCommandInterceptionContext)
   at System.Data.Entity.Internal.InterceptableDbCommand.ExecuteDbDataReader(System.Data.CommandBehavior)
   at System.Data.Common.DbCommand.ExecuteReader(System.Data.CommandBehavior)
   at System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCommands(System.Data.Entity.Core.EntityClient.EntityCommand, System.Data.CommandBehavior)

Exception Info: System.Data.Entity.Core.EntityCommandExecutionException
   at System.Data.Entity.Core.EntityClient.Internal.EntityCommandDefinition.ExecuteStoreCommands(System.Data.Entity.Core.EntityClient.EntityCommand, System.Data.CommandBehavior)
   at System.Data.Entity.Core.Objects.Internal.ObjectQueryExecutionPlan.Execute[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Data.Entity.Core.Objects.ObjectContext, System.Data.Entity.Core.Objects.ObjectParameterCollection)
   at System.Data.Entity.Core.Objects.ObjectQuery`1+<>c__DisplayClass41_0[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].<GetResults>b__1()
   at System.Data.Entity.Core.Objects.ObjectContext.ExecuteInTransaction[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Func`1<System.__Canon>, System.Data.Entity.Infrastructure.IDbExecutionStrategy, Boolean, Boolean)
   at System.Data.Entity.Core.Objects.ObjectQuery`1+<>c__DisplayClass41_0[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].<GetResults>b__0()
   at System.Data.Entity.SqlServer.DefaultSqlExecutionStrategy.Execute[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Func`1<System.__Canon>)
   at System.Data.Entity.Core.Objects.ObjectQuery`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].GetResults(System.Nullable`1<System.Data.Entity.Core.Objects.MergeOption>)
   at System.Data.Entity.Core.Objects.ObjectQuery`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].<System.Collections.Generic.IEnumerable<T>.GetEnumerator>b__31_0()
   at System.Data.Entity.Internal.LazyEnumerator`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext()
   at System.Linq.Enumerable.Single[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Collections.Generic.IEnumerable`1<Int32>)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider+<>c__14`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].<GetElementFunction>b__14_3(System.Collections.Generic.IEnumerable`1<Int32>)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.ExecuteSingle[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Collections.Generic.IEnumerable`1<Int32>, System.Linq.Expressions.Expression)
   at System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Linq.Expressions.Expression)
   at System.Data.Entity.Internal.Linq.DbQueryProvider.Execute[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Linq.Expressions.Expression)
   at System.Linq.Queryable.Count[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Linq.IQueryable`1<System.__Canon>)
   at TransactionInDatabase()
   at TransactionId(Boolean)
   at Program.Main(System.String[])

0 个答案:

没有答案
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