要去下载一个Oracle的连接驱动
http://www.microsoft.com/downloads/details.aspx?FamilyID=4f55d429-17dc-45ea-bfb3-076d1c052524&DisplayLang=en
http://expert.csdn.net/Expert/TopicView3.asp?id=1543677
http://www.microsoft.com/downloads/details.aspx?FamilyID=4f55d429-17dc-45ea-bfb3-076d1c052524&DisplayLang=en
http://expert.csdn.net/Expert/TopicView3.asp?id=1543677
"Data Source=MyOracleDB;" & _
"User Id=myUsername;" & _
"Password=myPassword"你试试上面的连接字符串。