在连接对象上作为方法调用存储过程

  • 项目

可像关联的已打开的 Connection 对象上的本机方法一样调用存储过程。 这类似于在 Connection 对象上调用命名命令。

以下 Visual Basic 代码示例调用 Northwind 示例数据库中的存储过程（即 CustOrdersOrders），为了方便起见，这里再列出一次。

CREATE PROCEDURE CustOrdersOrders @CustomerID nchar(5) AS  
SELECT OrderID, OrderDate, RequiredDate, ShippedDate  
FROM Orders  
WHERE CustomerID = @CustomerID  
ORDER BY OrderID

下面的代码示例演示如何像关联的已打开的 Connection 对象上的本机方法一样调用存储过程。

Const DS = "MySQLServer"  
Const DB = "Northwind"  
Const DP = "SQLOLEDB"  
  
Dim objConn As New ADODB.Connection  
Dim objRs As New ADODB.Recordset  
Dim objComm As New ADODB.Command  
  
ConnectionString = "Provider=" & DP & _  
                   ";Data Source=" & DS & _  
                   ";Initial Catalog=" & DB & _  
                   ";Integrated Security=SSPI;"  
  
' Connect to the data source.  
objConn.Open ConnectionString  
  
' Set a stored procedure  
  
Set objComm.ActiveConnection = objConn  
  
' Execute the stored procedure on  
' the active connection object...  
'    "ALFKI" is the required input parameter,  
'    objRs is the resultant output variable.  
objComm(1) = "ALFKI"
Set objRs = objComm.Execute

' Display the result.  
Debug.Print "Results returned from sp_CustOrdersOrders for ALFKI: "  
Do While Not objRs.EOF  
    Debug.Print vbTab & objRs(0) & vbTab & objRs(1) & vbTab & _  
                objRs(2) & vbTab & objRs(3)  
    objRs.MoveNext  
 Loop  
  
'Clean up.  
objRs.Close  
objConn.Close  
Set objRs = Nothing  
Set objConn = Nothing  
Set objComm = Nothing

另请参阅

连接对象 (ADO)