我試圖以編程方式針對MSSQL數據庫創建多個存儲過程,函數和表。System.Data.SqlClient事務和錯誤處理支持
我正在通過System.Data.SqlClient
庫,而不是Microsoft.SqlServer.Management.Smo
庫這樣做。但是,無論何時我使用transaction
或try - catch
塊的腳本,我都會得到不正確的語法錯誤消息,但是當我直接對數據庫運行腳本(通過Management Studio)時,它工作正常。
這樣腳本的例子可以發現如下:
CREATE PROCEDURE [Mobile].M_CreateOrder (@OrderName varchar(255),@DELDATE DATETIME, @DELQTY INT, @PRODID INT, @CUSTID INT)
AS BEGIN
BEGIN TRY
BEGIN TRANSACTION
DECLARE @DATE DATETIME = GETDATE(), @SUCCESS INT = 0
DECLARE @ORDERID INT = (SELECT MAX(ORDER_ID) + 1 FROM ORDERS)
INSERT INTO [dbo].[ORDERS]
(
[ORDER_ID]
,[ORDER_NAME]
,[PRODUCT_ID]
,[CUSTOMER_ID]
)
VALUES
(
@ORDERID
,@OrderName
,@PRODID
,@CUSTID
)
COMMIT TRAN
SET @SUCCESS = 1
END TRY
BEGIN CATCH
INSERT INTO Mobile.M_LOG (ENTRY_DATE, ENTRY_MESSAGE) VALUES (GETDATE(), ERROR_MESSAGE())
IF @@TRANCOUNT > 0
ROLLBACK TRAN
END CATCH
--Enter the row in the delivery column
BEGIN TRY
IF(@SUCCESS = 1)
BEGIN
EXEC M_CreateDelivery @ORDERID, @DELDATE, @DELQTY
END
END TRY
BEGIN CATCH
INSERT INTO Mobile.M_LOG (ENTRY_DATE, ENTRY_MESSAGE) VALUES (GETDATE(), ERROR_MESSAGE())
IF @@TRANCOUNT > 0
ROLLBACK TRAN
END CATCH
END
每當這個腳本通過System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
跑到我得到以下錯誤:
Exception Details: System.Exception: System.Data.SqlClient.SqlException (0x80131904): Incorrect syntax near 'CATCH'.
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async, Int32 timeout, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at SQL.NonQuery.Execute() in D:\Users\Blake\Documents\GitHub\SQL\NonQuery.cs:line 23
這是到使用SqlClient
庫,而不是圖書館的smo
還是有其他我完全錯過的東西?
如果這是使用SqlClient
庫,是否有關於什麼和不支持的文檔? - 該ExecuteNonQuery MSDN Page沒有列出任何明確的限制,但它說的功能,可用於執行這些操作:
You can use the ExecuteNonQuery to perform catalog operations (for example, querying the structure of a database or creating database objects such as tables).
可以顯示C#代碼,顯示如何將文本加載到'SqlCommand'中?沒有像你遇到的限制,我最好的猜測是你在C#代碼中有一個錯誤,但我們需要首先看到它。 –