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How To Retrieve a Recordset from an Oracle Stored Procedure Using ADO on ASP

This article was previously published under Q229919
This article demonstrates how to call an Oracle package to retrieve a recordset using ADO on Active Server Pages (ASP).

This article assumes that:
  • You are proficient with Visual Basic Scripting Edition (VBScript), ActiveX Data Objects (ADO), and Active Server Pages (ASP).
  • You understand Oracle's Procedural Language/Structured Query Language, if you will also be creating Oracle packages.
  • Your Internet Information Server (IIS) is configured properly to the Oracle database.
More information
To call an Oracle stored procedure, the stored procedure must be encapsulated within a package. The following sample uses an Oracle package that was assembled as an example in the Microsoft Knowledge Base article below:
174981 How To Retrieve Typical Resultsets from Oracle Stored Procedures
The script sample below does not use a Data Source Name (DSN) to connect to Oracle. It uses a DSN-less connection. (You can use a system DSN by commenting out the appropriate lines.) The sample uses ODBC to connect to Oracle.

Note that you could also use the Microsoft OLE DB Provider for Oracle in this sample. To do so, comment out the appropriate lines.
<%@ LANGUAGE="VBSCRIPT" %><%	'Constants	adCmdUnknown = 0	adCmdText = 1	adCmdTable = 2	adCmdText = 1	adParamInput = 1	adParamOutput = 2	adInteger = 3	adUseClient = 3	adOpenStatic = 3	Dim cnnOracle	Dim cmdStoredProc	Dim rsEmp	'This code creates a connection object.	Set cnnOracle = Server.CreateObject("ADODB.Connection")	cnnOracle.CursorLocation = adUseClient	'System DSN connection	'strConn = "DSN=OracleDSN; UID=UserID; PWD=Password"	'DSN-less connection	strConn = "DRIVER={Microsoft ODBC for Oracle}; SERVER=DatabaseAlias; UID=UserID; PWD=Password"	'OLE DB connection	'strConn = "Provider=MSDAORA.1; Data Source=DatabaseAlias; User ID=UserID; Password=Password"'Note:  The DatabaseAlias is the name that was created in SQL*Net Easy Configuration or in Net8.	cnnOracle.Open strConn	'This code creates a command object.	Set cmdStoredProc = Server.CreateObject("ADODB.Command")	Set cmdStoredProc.ActiveConnection = cnnOracle	'Retrieve only one record	'cmdStoredProc.CommandText = "{call packperson.oneperson(?,{resultset 2, ssn, fname, lname})}"	'cmdStoredProc.CommandType = adCmdText	'cmdStoredProc.Parameters.Append cmdStoredProc.CreateParameter("wildcard",adInteger,adParamInput)	'Retrieve all records.	cmdStoredProc.CommandText = "{call packperson.allperson({resultset 9, ssn, fname, lname})}"	cmdStoredProc.CommandType = adCmdText	'This code creates a recordset object.	Set rsEmp = Server.CreateObject("ADODB.Recordset")	rsEmp.CursorType = adOpenStatic	Set rsEmp.Source = cmdStoredProc	'Set the parameter for to get only one record	'cmdStoredProc(0) = 555662222	rsEmp.Open%><HTML><HEAD><META NAME="GENERATOR" Content="Microsoft Visual InterDev 6.0"><META HTTP-EQUIV="Content-Type" content="text/html; charset=iso-8859-1"><TITLE>Retrieving a Recordset from an Oracle Stored Procedure using ADO on ASP</TITLE></HEAD><BODY><%        'Traverse through the recordset and display the data	While Not rsEmp.EOF		Response.Write(rsEmp(0) & "&#xa0;" & rsEmp(1) & " " & rsEmp(2) & "<BR>")		rsEmp.MoveNext	Wend        ' Close the Recordset and the Connection	rsEmp.Close	cnnOracle.Close        ' Dereference the ADO Objects	Set cmdStoredProc = nothing	Set rsEmp = nothing	Set cnnOracle = nothing%></BODY></HTML>				
For additional information, click the article number below to view it in the Microsoft Knowledge Base:
176086 How To Retrieve Recordsets from Oracle Stored Procs Using ADO
For information on why you must use an Oracle Package instead of an Oracle stored procedure, click the article number below to view it in the Microsoft Knowledge Base:
167225 How To Access an Oracle Database Using RDO
For additional information on ADO and to download the latest version of the Microsoft Data Access Components (MDAC), please see the following Microsoft Web site:

Article ID: 229919 - Last Review: 07/18/2012 08:49:00 - Revision: 6.0

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