.net中连接SYBASE的种种问题

首先如果用OLEDB连呢?如果用ASE 的OLEDB 提供者,那这个提供者哪里有下呢?
其次如果用MSDATASHAPE连,可以是可以,但是速度似乎很慢。。。
再次如果用OLEDB FOR ODBC,为什么建立的时候能测试成功,但是建立完成后就提示无效的属性。
最后就是用ODBC.net的确是可以连,但是怎么调用带参数的存储过程?
有人说COMMAND.TEXT里要写成CALL {。。。。。} 我试过了,以前提示没有参数提供的错误没有了,但是换来了其他莫名的错误,请详细点说一下可以么?谢谢了

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OLE DB Provider for Sybase Adaptive Server Enterprise (ASE)
oConn.Open "Provider=Sybase ASE OLE DB Provider;" & _
"Data source=myASEServer"
' Or
oConn.Open "Provider=Sybase.ASEOLEDBProvider;" & _
"Srvr=myASEServer,5000;" & _
"Catalog=myDBName;" & _
"User Id=myUserName;" & _
"Password=myUserPassword"
Where:
- The Sybase ASE OLE DB provider from the Sybase 12.5 client CD
- 5000 is the port number for Sybase.

Note: The Open Client 12 Sybase OLE DB Provider fails to work without creating a Data Source .IDS file using the Sybase Data Administrator. These .IDS files resemble ODBC DSNs.

Note: With Open Client 12.5, the server port number feature finally works, allowing fully qualified network connection strings to be used without defining any .IDS Data Source files.

http://my.sybase.com/search_advanced

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