[Last Call] Learn how to a build a cloud-first strategyRegister Now

x
  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 555
  • Last Modified:

updating database (oracle) through a dataadapter

I have a SQL Server stored procedure that retrieves abt. 10 rows of data for 3 tables
I have retrieved this inside a dataset (there will be totally 3 tables)
I pass each of the table to a function in which I build a InsertCommand for a Dataadapter.
And I add parameters:(one of the functions below)

parameters-obj_conn, objdata_tbl, objTrans


Try
            obj_adap = New OleDb.OleDbDataAdapter()

            obj_adap.InsertCommand = New OleDb.OleDbCommand()
            obj_adap.InsertCommand.CommandText = _
                            "Insert into MARKET_HIST " & _
                            "values (?, ?, ?)"

            obj_adap.InsertCommand.Connection = objConn


            obj_adap.InsertCommand.Parameters.Add(New OleDb.OleDbParameter("@ID", OleDb.OleDbType.Integer))
            obj_adap.InsertCommand.Parameters.Item(0).SourceColumn = "ID"

            obj_adap.InsertCommand.Parameters.Add(New OleDb.OleDbParameter("@HIST_ID", OleDb.OleDbType.Integer))
            obj_adap.InsertCommand.Parameters.Item(1).SourceColumn = "HIST_ID"

            obj_adap.InsertCommand.Parameters.Add(New OleDb.OleDbParameter("@DT_BOUGHT", OleDb.OleDbType.Date))
            obj_adap.InsertCommand.Parameters.Item(2).SourceColumn = "DT_BOUGHT"

            obj_adap.InsertCommand.Transaction = objTrans


            i = obj_adap.Update(objdata_tbl)
       
For some reason, the parameters are not populated...

ie., If I print obj_adap.InsertCommand.commandtext, I only get
Insert into MARKET_HIST values(?, ?, ?)

I do not get the actual values..
Can someone help me with this?
0
meers1974
Asked:
meers1974
1 Solution
 
rajaamirapuCommented:
There is a .net data provider for oracle available for download
see the link
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndotnet/html/manprooracperf.asp
The .net data provider for oracle is more faster than oledb data provider
Try to use this
0
 
vikasaagrawalCommented:
Why dont you use command builder rather than creating manual insert command.

Vikas
0
 
meers1974Author Commented:
Vikas,
Can you help me use the command builder?
Where can I find information abt. it?

Thanks.
0
Granular recovery for Microsoft Exchange

With Veeam Explorer for Microsoft Exchange you can choose the Exchange Servers and restore points you’re interested in, and Veeam Explorer will present the contents of those mailbox stores for browsing, searching and exporting.

 
meers1974Author Commented:
I tried the .net data provider.
Still I have the above problem. The Insert command has to build properly inorder for me to go to performance issues.. The Insert command is not building properly. As I said, the parameters do not get populated.. Any ideas?
0
 
rajaamirapuCommented:
See the example of oracle .net data provider

 
  Dim da As OracleDataAdapter = New OracleDataAdapter()
  Dim cmd As OracleCommand
  Dim parm As OracleParameter

  ' Create the SelectCommand.

  cmd = New OracleCommand("SELECT * FROM Dept " & _
                       "WHERE DName = :pDName AND Loc = :pLoc", conn)

  cmd.Parameters.Add("pDName", OracleDbType.NVarChar, 14)
  cmd.Parameters.Add("pLoc", OracleDbType.NVarChar, 13)

  da.SelectCommand = cmd

  ' Create the InsertCommand.

  cmd = New OracleCommand("INSERT INTO Dept (DeptNo, DName) " & _
                       "VALUES (pDeptNo, pDName)", conn)

  cmd.Parameters.Add("pDeptNo", OracleDbType.Number, 2, "DeptNo")
  cmd.Parameters.Add("pDName", OracleDbType.NVarChar, 14, "DName")

  da.InsertCommand = cmd

  Return da
End Function
0
 
rajaamirapuCommented:
before this you need to create a connection
0
 
meers1974Author Commented:
I do have a connection. I have only posted a part of the code.
I have fixed the problem. I had to add an "AcceptChangesDuringFill = False" statement to the dataadapter.
It works fine now.
Thanks for your time.
0
 
rajaamirapuCommented:
Okay what about by points
0
 
rajaamirapuCommented:
Okay what about my points
0
 
meers1974Author Commented:
Hi
Your answers did not help me.
The real problem was to add the line:
AcceptChangesDuringFill = False

I did not see that in your code. So, I did not give the points.
If you insist I'll definitely award the points. No problems.
Thanks
0
 
Bob LearnedCommented:
No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

PAQ with points refunded

Please leave any comments here within the next seven days.
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

TheLearnedOne
EE Cleanup Volunteer
0
 
SpazMODicCommented:
PAQed, with points refunded (30)

SpazMODic
EE Moderator
0

Featured Post

Free learning courses: Active Directory Deep Dive

Get a firm grasp on your IT environment when you learn Active Directory best practices with Veeam! Watch all, or choose any amount, of this three-part webinar series to improve your skills. From the basics to virtualization and backup, we got you covered.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now