【单选题】
设ADOcn是一个Connection对象,与数据库的连接字符串存放在cnStr字符串中。下列关于使用ADOcn建立与数据源连接的语句正确的是()。
A、ADOcn.Cretae cnStr
B、ADOcn.Open cnStr
C、ADOcn.connetion cnStr
D、ADOcn.conn cnStr
A、ADOcn.Cretae cnStr
B、ADOcn.Open cnStr
C、ADOcn.connetion cnStr
D、ADOcn.conn cnStr
A、A.Dim ADOcn As New Connection B、B.Dim ADOcn As Connection C、C.Declare ADOcn As New Connection D、D.Declare ADOcn As Connection
A、ADOcn.Execute "UPATE FROM SC WHERE 学号 = ’A30’ " B、ADOcn.Execute "SELECT FROM SC WHERE 学号 = ’A30’ " C、ADOcn.Execute "DELETE FROM SC WHERE 学号 = ’A30’ " D、ADOcn.Execute "DROP FROM SC WHERE 学号 = ’A30’ "