DECLARE @object int DECLARE @hr int DECLARE @src varchar(255), @desc varchar(255) EXEC @hr = sp_OACreate 'ADODB.Connection', @object OUT IF @hr <> 0 BEGIN EXEC sp_OAGetErrorInfo @object, @src OUT, @desc OUT SELECT hr=convert(varbinary(4),@hr), Source=@src, Description=@desc RETURN END
请问:“sysadmin 固定服务器角色的成员”是指????
首先我们先用VB 作一个最简单的组件 ,因为是介绍性的文章,所以这个组件是非常的的简单,在具体的工作中,可以写个比这个业务复杂的多的组件 Project Name: testSQLCOM Class Name: TestMath Public Function AddMe(a As Long, b As Long) As Long AddMe = a + b End Function 编译生成后,我们就可以在 Sql Server 中对这个 Com 组件进行调用了 declare @i int declare @intRet int declare @intRetCode int DECLARE @strErr varchar (255) DECLARE @strErr1 varchar (255) /* 首先创建Com 实例 */ exec @ret_code = sp_OACreate "testSQLCOM.TestMath", @i out IF @intRetCode <> 0 BEGIN /* 创建实例 失败 */ EXEC sp_OAGetErrorInfo @i, @strErr OUT, @strErr1 OUT PRINT "创建实例失败,失败的原因是:: " + @strErr + " " + @strErr1 RETURN END/* 创建成功,开始调用 */ EXEC @intRetCode = sp_OAMethod @i,′AddMe′,@ret OUT,100,200 IF @intRetCode <> 0 BEGIN /* 调用方法出错 */ EXEC sp_OAGetErrorInfo @i, @strErr OUT, @strErr1 OUT PRINT "调用方法失败,失败的原因是:: " + @strErr + " " + @strErr1 EXEC sp_OADestroy @i RETURN END PRINT "返回的结果是" + Str(@intRet) exec sp_OADestroy @i以前是存储过程的输出Step 4: 返回的结果是 300
可是出错啊Server: Msg 128, Level 15, State 1, Line 12 The name '创建实例失败,失败的原因是:: ' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted. Server: Msg 170, Level 15, State 1, Line 17 Line 17: Incorrect syntax near '′'. Server: Msg 128, Level 15, State 1, Line 22 The name '调用方法失败,失败的原因是:: ' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted. Server: Msg 128, Level 15, State 1, Line 26 The name '返回的结果是' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted.
DECLARE @hr int
DECLARE @src varchar(255), @desc varchar(255)
EXEC @hr = sp_OACreate 'ADODB.Connection', @object OUT
IF @hr <> 0
BEGIN
EXEC sp_OAGetErrorInfo @object, @src OUT, @desc OUT
SELECT hr=convert(varbinary(4),@hr), Source=@src, Description=@desc
RETURN
END
Project Name: testSQLCOM
Class Name: TestMath
Public Function AddMe(a As Long, b As Long) As Long
AddMe = a + b
End Function
编译生成后,我们就可以在 Sql Server 中对这个 Com 组件进行调用了
declare @i int
declare @intRet int
declare @intRetCode int
DECLARE @strErr varchar (255)
DECLARE @strErr1 varchar (255)
/* 首先创建Com 实例 */
exec @ret_code = sp_OACreate "testSQLCOM.TestMath", @i out
IF @intRetCode <> 0
BEGIN
/* 创建实例 失败 */
EXEC sp_OAGetErrorInfo @i, @strErr OUT, @strErr1 OUT
PRINT "创建实例失败,失败的原因是:: " + @strErr + " " + @strErr1
RETURN
END/* 创建成功,开始调用 */
EXEC @intRetCode = sp_OAMethod @i,′AddMe′,@ret OUT,100,200
IF @intRetCode <> 0
BEGIN
/* 调用方法出错 */
EXEC sp_OAGetErrorInfo @i, @strErr OUT, @strErr1 OUT
PRINT "调用方法失败,失败的原因是:: " + @strErr + " " + @strErr1
EXEC sp_OADestroy @i
RETURN
END
PRINT "返回的结果是" + Str(@intRet)
exec sp_OADestroy @i以前是存储过程的输出Step 4:
返回的结果是 300
The name '创建实例失败,失败的原因是:: ' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted.
Server: Msg 170, Level 15, State 1, Line 17
Line 17: Incorrect syntax near '′'.
Server: Msg 128, Level 15, State 1, Line 22
The name '调用方法失败,失败的原因是:: ' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted.
Server: Msg 128, Level 15, State 1, Line 26
The name '返回的结果是' is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted.