Question

Oracle 10 VBNet ASPX

Asked by: aka_calvin

I want to retrive the value of UPD_DATE from DQ_MON_TBL_REF_SUBAREA table.

I want to use this command "cmdDB.Parameters("p_dq_mon_sub_area").Value" in .net
I have declare "p_dq_mon_sub_area OUT DQ_MON_TBL_REF_SUBAREA.UPD_DATE%TYPE" in package.

Is it possiable or how I can achive that

************************************************************
Oracle 10 g
************************************************************
       PROCEDURE PR_DQ_DISTINCT_SUBJECTAREA_GET(
			  					p_dq_mon_sub_area OUT DQ_MON_TBL_REF_SUBAREA.UPD_DATE%TYPE,
                     			cur_out				OUT SYS_REFCURSOR,
                     			p_status_n			OUT NUMBER
    )
    IS
		lv_sql_main    VARCHAR(4000)      := NULL;    
    BEGIN
     p_status_n         := cSUCCESS_RTN;
    IF cur_out%ISOPEN THEN
       CLOSE cur_out;
    END IF;
    
	  lv_sql_main := 'SELECT  * From DQ_MON_TBL_REF_SUBAREA Order By DQ_SUBJECT_AREA_C DESC';
 
    OPEN cur_out FOR lv_sql_main;
 	EXCEPTION
    WHEN OTHERS
    THEN
    IF cur_out%ISOPEN THEN
    	CLOSE cur_out;
    END IF;
    p_status_n := cFAIL_RTN;
 	END PR_DQ_DISTINCT_SUBJECTAREA_GET;
 
************************************************************
VB.Net 
************************************************************
 
 Public Shared Function GetSubjectAreaFromDQ_Ref(ByVal StrLastUpd As String) As DataSet
        Dim db As Database
        Dim cmdDB As Common.DbCommand
        Dim ds As DataSet
        Dim sCommandSQL As String = PR_UPDATE_GET_SUBJECTAREA
        Dim iStatus As Int64
        Try
            db = DatabaseFactory.CreateDatabase("OracleSource")
            cmdDB = db.GetStoredProcCommand(sCommandSQL)
            db.AddOutParameter(cmdDB, "p_dq_mon_sub_area", DbType.String, 16)
            db.AddOutParameter(cmdDB, "p_status_n", DbType.Int64, 9)
            ds = db.ExecuteDataSet(cmdDB)
            MsgBox(cmdDB.Parameters("p_dq_mon_sub_area").Value)
            If Not CommonFunctions.IsEmptyField(cmdDB.Parameters("p_status_n").Value) Then
                iStatus = CInt(cmdDB.Parameters("p_status_n").Value)
            Else
                iStatus = NULLSTATUS
            End If
            If iStatus <> 0 Then
                Throw New Exception(CommonFunctions.BuildDALExceptionMsg(MethodBase.GetCurrentMethod.Name, PR_RETRIVE_USER_ID_DTLS, iStatus))
            End If
            Return ds
        Catch ex As Exception
            Throw ex
        End Try
    End Function

                                  
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Asked On
2009-10-15 at 20:36:40ID24817107
Tags

Database is Oracle 10g / aspx / .net 2005

,

framework 2.0

Topics

Oracle Database

,

Programming Languages

,

.NET

,

Microsoft Visual Basic.Net

,

.NET Framework 2.x

Participating Experts
2
Points
500
Comments
10

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Answers

 

by: CodeCruiserPosted on 2009-10-19 at 01:18:07ID: 25603337

It is possible. Do you get any errors?

 

by: aka_calvinPosted on 2009-10-19 at 01:57:00ID: 25603522

I dont know that part of the coding.....

do you know how to do this coding?


 

by: CodeCruiserPosted on 2009-10-19 at 01:59:45ID: 25603530

Looks like you already have the code written. There seems to be a DAL layer so i can not see the whole code.

 

by: aka_calvinPosted on 2009-10-19 at 03:50:45ID: 25604026

This part I'm connecting to Oracle and passing the value to the Package in oracle.  
         db = DatabaseFactory.CreateDatabase("OracleSource")
           cmdDB = db.GetStoredProcCommand(sCommandSQL)
           db.AddOutParameter(cmdDB, "p_dq_mon_sub_area", DbType.String, 16)
           db.AddOutParameter(cmdDB, "p_status_n", DbType.Int64, 9)
           ds = db.ExecuteDataSet(cmdDB)




This part is the package in oracle part.

************************************************************
Oracle 10 g
************************************************************
      PROCEDURE PR_DQ_DISTINCT_SUBJECTAREA_GET(
                                                               p_dq_mon_sub_area OUT DQ_MON_TBL_REF_SUBAREA.UPD_DATE%TYPE,
                                       cur_out                         OUT SYS_REFCURSOR,
                                       p_status_n                      OUT NUMBER
   )
   IS
               lv_sql_main    VARCHAR(4000)      := NULL;    
   BEGIN
    p_status_n         := cSUCCESS_RTN;
   IF cur_out%ISOPEN THEN
      CLOSE cur_out;
   END IF;
   
         lv_sql_main := 'SELECT  * From DQ_MON_TBL_REF_SUBAREA Order By DQ_SUBJECT_AREA_C DESC';

    OPEN cur_out FOR lv_sql_main;
       EXCEPTION
   WHEN OTHERS
   THEN
   IF cur_out%ISOPEN THEN
       CLOSE cur_out;
   END IF;
   p_status_n := cFAIL_RTN;
       END PR_DQ_DISTINCT_SUBJECTAREA_GET;




************************************************************



After this I'm not sure how to retrieve the value. if this info is not enough, what other info that you need....

 

by: CodeCruiserPosted on 2009-10-19 at 03:59:12ID: 25604067

I think you are using the wrong method of the DAL. This line
ds = db.ExecuteDataSet(cmdDB)
is returning a dataset. Either try to explore the dataset(for example, by adding a datagrid to the form and setting the dataset as the datasource to the grid) or see what other methods are available in the DAL. I am not sure what the stored procedure in oracle is returning.

 

by: slightwvPosted on 2009-10-19 at 05:26:53ID: 25604495

I'm afraid I'm pretty much confused as well. So let's try this. I'll post some working code that calls a simple stored procedure with an input and output. You tell us where we need to modify it for your specific needs.

<%@ import namespace = "System.Data" %>
<%@ import namespace = "Oracle.DataAccess.Client" %>
<%@ import namespace = "Oracle.DataAccess.Types" %>
 
<html>
<title>MY Proc test</title>
<body>
<script language="VB" runat="server">
 
'====================================================================================================
'	uses the following procedure
'====================================================================================================
'create or replace procedure myTestProc (
'   someInput IN VARCHAR2,
'   someOutput OUT VARCHAR2
')
'is
'begin
'	someOutput := 'Hello ' || someInput;
'end;
'/
 
sub callProc(sender as object,e as eventargs)
		ErrMsg.text = ""
 
		Dim con As New OracleConnection() 
 
		con = New OracleConnection("User Id=<someuser>;Password=<somepassword>;Data Source=<somedatabase>;")
 
		Dim cmd as OracleCommand = new OracleCommand()
		cmd.Connection	= con
		cmd.commandText	= " myTestProc "
 		cmd.commandtype	= commandtype.storedprocedure
 
		Dim param1 as OracleParameter = cmd.Parameters.Add("someInput", OracleDbType.Varchar2, _
			50, someName.text, ParameterDirection.Input)
 
 
		Dim param2 as OracleParameter = cmd.Parameters.Add("someOutput", OracleDbType.Varchar2, 100)
		param2.Direction = ParameterDirection.Output
 
 
		try
			con.open()
			cmd.ExecuteNonQuery()
 
			someText.text = (param2.value).value
 
		catch ex as exception
			ErrMsg.text = ex.tostring()
 
		finally
			cmd.Dispose()
			con.Close()
			con.Dispose()
		end try
 
 
end sub
</script>
 
<form id="myForm" runat="server">
 
	<asp:label id="ErrMsg" runat="server"/>
	<br/>
 
	First Name: <asp:textbox id="someName" textmode="SingleLine" columns=20 maxlength=20 runat="server"/>
	<br/>
 
	Result: <asp:label id="someText" runat="server"/>
	<br/>
 
	<asp:Button id="SubmitButton" height="22" width="60" OnClick="callProc" runat="server" Text="Go"/>
 
</form>
 
</body>
</html>

                                              
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by: aka_calvinPosted on 2009-10-20 at 22:57:28ID: 25621077

I will try today and let you know tomorrow .......

thanks....

 

by: aka_calvinPosted on 2009-11-08 at 08:23:17ID: 25770888

hi...your solutions has solved the problem. thanks.

20120131-EE-VQP-002

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