call an Oracle Stored Procedure - SQL Source Code in ASP

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Home » ASP Home » SQL Home » call an Oracle Stored Procedure

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Title	call an Oracle Stored Procedure
Description	Folks, contrary to popular belief there are many ways to call stored procedures from an ASP page. I've tried it with Oracle (the only REAL RDBMS ;-) and it works.
Category	ASP » SQL
Hits	383085
Code	Select and Copy the Code
Assume you have a procedure like this one below, And that it has been already created On the Oracle database. This procedure doesn't return anything, but that doesn't change anything! STEP #1: /****STORED PROCEDURE On ORACLE DATABASE*********/ /====================================================/ create Or Replace procedure test_me Is w_count integer; begin insert into TEST values ('Surya was here'); --commit it commit; end; /**End OF STORED PROCEDURE*/ STEP # 2: +++++++++ I assume you have tested it from sqlplus by running the following statements: /***********TEST THE STORED PROCEDURE FROM SQLPLUS****/ SQL> execute test_me PL/SQL procedure successfully completed. SQL> /***********End OF TESTING THE STORED PROC********/ STEP# 3: ++++++++ /*CALLING A STORED PROCEDURE FROM ASP**************/ 1. USING THE CONNECTION OBJECT You can execute stored procedures which perform Oracle Server side tasks And return you a recordset. You can only use this method If your stored procedure doesn't return any OUTPUT values. <% Set Conn = Server.CreateObject("ADODB.Connection") Conn.execute "test_me",-1,4 %> Note that -1 means no count of total number of records Is required. If you want To Get the count, substitute count With some Integer variable Note that 4 means it Is a stored procedure. By using the actual number -1 And 4, you don't need the server side include ADOVBS.INC ;-) The above would Do the job On the database And return back To you without returning any recordsets. Alternatively, you could: <% Set rs = conn.execute("test_me",w_count,4) %> W_count Is the number of records affected. If your stored procedure were To return a query result, it Is returned within your recordset (rs). This method Is useful With Stored procs which return results of an SQL query 2. USING THE COMMAND OBJECT <% Set Conn = Server.CreateObject("ADODB.Connection") Set Comm = Server.CreateObject("ADODB.Command") Set comm.ActiveConnection = conn comm.commandtype=4 '(or use adCmdStoredProc instead of 4, but then you would have to 'include the ADOVBS.INC. Its upto you comm.commandtext = "test_me" comm.execute 'or Set rs = comm.execute() %> STEP# 4 +++++++++ /********PASSING Input/OUTPUT PARAMETERS************************/ <% 'If your stored procedure accepts IN parameters and returns OUT parameters 'here's how to go about it Set param = comm.Parameters param.append comm.createparameter("Input",3,1) param.append comm.createparameter("Output",3,2) 'Note that 3 = adInteger for the datatype 'Note that 1=adParamInput and 2=adParamOutput for parameter direction 'Pass the input value comm("Input") = "...." Or Set param = comm.createparameter("InPut",3,1) Set param = comm.createparameter("OutPut",3,2) comm.parameters.append param 'Pass the input value comm("Input") = "...." 'Execute after setting the parameters comm.execute() 'If your stored procedure returns OUT parameters, here's how to get it Out_1 = comm("Output") 'and so on... %> Thats it!

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