c# - 如何使用 SqlCommand 将多个 T-SQL 语句(由 GO 分隔)链接到对 SQL 的单个调用中

Question

我有一个 C# 桌面应用程序，它调用各种 SQL Server 存储过程来执行将数据导出和导入到 SQL Server 2008 R2 数据库的各种工作。

这些都很好，没问题。我的应用程序使用所有参数等调用它们都很好。

为了“协助用户”，我编写了一个按钮，用于将所有存储过程添加到已配置的数据库中。为此，我创建了一个脚本:

USE [%DATABASENAME%]
GO        

IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[spMyProc1]') AND type in (N'P', N'PC'))
DROP PROCEDURE [dbo].[spMyProc1]
GO

IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[spMyProc2]') AND type in (N'P', N'PC'))
DROP PROCEDURE [dbo].[spMyProc2]
GO

IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[spMyProc3]') AND type in (N'P', N'PC'))
DROP PROCEDURE [dbo].[spMyProc3]
GO

SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE PROCEDURE [dbo].[spMyProc1]
        @VariousParams varchar(100),
    @ResultText varchar(4000) OUTPUT
AS
BEGIN
  -- Code removed for brevity
END

GO
--

CREATE PROCEDURE [dbo].[spMyProc2]
        @VariousParams varchar(100),
    @ResultText varchar(4000) OUTPUT
AS
BEGIN
  -- Code removed for brevity
END

GO
--

CREATE PROCEDURE [dbo].[spMyProc3]
        @VariousParams varchar(100),
    @ResultText varchar(4000) OUTPUT
AS
BEGIN
  -- Code removed for brevity
END

GO

当我在 SQL Server Management Studio 中运行它时，它运行良好，完全没有问题。

但是在我的 C# 应用程序中，抛出了一个异常，我收到了如下错误:

Incorrect syntax near 'GO'.
Incorrect syntax near 'GO'.
Incorrect syntax near 'GO'.
Incorrect syntax near 'GO'.
Incorrect syntax near 'GO'.
Incorrect syntax near 'GO'.
'CREATE/ALTER PROCEDURE' must be the first statement in a query batch.
A RETURN statement with a return value cannot be used in this context.
A RETURN statement with a return value cannot be used in this context.
Incorrect syntax near 'GO'.
Must declare the scalar variable "@MessageText".
Must declare the scalar variable "@ListOfIDsToImport".
Must declare the scalar variable "@SourceDataFolder".
Must declare the scalar variable "@SourceDataFolder".
Must declare the scalar variable "@SequenceNo".
Must declare the scalar variable "@UserID".
Must declare the scalar variable "@SequenceNo".
Must declare the scalar variable "@UserID".
Must declare the scalar variable "@ListOfIDsToImport".
Must declare the scalar variable "@ListOfIDsToImport".
Must declare the scalar variable "@ListOfIDsToImport".
Must declare the scalar variable "@MessageText".
Must declare the scalar variable "@MessageText".
Must declare the scalar variable "@MessageText".
Incorrect syntax near 'GO'.
The variable name '@PS_DEFAULT' has already been declared. Variable names must be unique within a query batch or stored procedure.
The variable name '@PS_ERROR_MSG' has already been declared. Variable names must be unique within a query batch or stored procedure.
The variable name '@PS_ERROR_SEVERITY' has already been declared. Variable names must be unique within a query batch or stored procedure.
Must declare the scalar variable "@SequenceNo".
Incorrect syntax near 'GO'.

(这是下面代码中的 catch block 捕获的 ex.Message 中的内容)。

我的代码非常简单如下:

    bool retVal = false;
    string command = Properties.Resources.MyApp_StoredProcedures.ToString().Replace("%DATABASENAME%", Properties.Settings.Default.DBName);

    try
    {
        sqlCmd = new SqlCommand(command, csSQLConnection._conn);
        sqlCmd.ExecuteNonQuery();
        retVal = true;
    }
    catch (Exception ex)
    {
        retVal = false;
    }
    finally
    {
        sqlCmd.Dispose();
    }

(上面的替换只是替换了脚本顶部 USE 行中的占位符，当我单步执行并越过该行时，它可以正常工作)。

所以基本上，我做错了什么，因为 SQL 本身看起来很好？

非常感谢

Answer 1

这应该很容易......

摆脱 GO，这是 SSMS 特定的语法，SQL 语言不需要或不支持它，而您应该使用 ; 终止您的个人创建脚本。 .让我知道进展如何。