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vb.net dataAdapter - query issue...

Posted on 2010-08-30
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Last Modified: 2012-05-10
I need a query that will:

1) I would like to query a ms sql 2005 db on several tables
2) if columnA = 'x' and columnC = 'y' where id = 1 then this var1 = 'true'
3) if columnc = 'x' and columnd = 'y' where id = 2 then this var2 = 'true'
4) if var1='true' then
      run_this_func()
   end if
5) if var2='true'then
      run_that_func()

heres what I have so faar....i need this ASAP...so any help...
   end ifAccept and Award Points Accept as Solution
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Question by:GlobaLevel
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4 Comments
 
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Author Comment

by:GlobaLevel
ID: 33560284

forgot to post it:


Private Sub VERIFY_CLIENT_RESPONSE_client_stored_EMAIL()
        ' SO IF THE CLIENT IS STORING THE MASTER FILES TOO BE COPIED
        ' LETS

        Dim client_response As New List(Of String)
        Dim client_stores_files As New List(Of String)

        Dim dataReader As SqlDataReader

        Try

            ' ---=-=-=-=-=
            '
            '
            ' "Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword;"


            Dim x As Integer = 0

            Dim sqlConnection As String

            Using sqlConn As New SqlConnection

                sqlConnection = "Data Source=xx.xx.xx.xx;Initial Catalog=xx;User Id=;Password=;"
                sqlConn.ConnectionString = sqlConnection

                Dim SQLString As String = "SELECT cr.EMAIL_RESPONSE, cr.color_number, cr.paper_line, pt.product_weight, pt.paper_legal FROM CLIENT_RESPONSE cr JOIN paper_table pt ON pt.client_id = cr.client_id WHERE server_name=" & server_name & _
                    "and P_NAME = " & P_NAME & "ORDER BY cr.email_response asc, cr.color_number asc,cr.paper_line asc"

                ' Dim dataReader As SqlDataReader
                sqlConn.Open()
                Using command As New SqlCommand(SQLString, sqlConn)
                    dataReader = command.ExecuteReader(CommandBehavior.CloseConnection)
                    Do While dataReader.Read()
                        client_response.Add(dataReader.GetValue(0).ToString())
                    Loop


                  '-------------------------------------------------------------------------------

                  ' SORT TO DATAVIEW...THEN FEED INTO VARIABLES TO BE USED LATER....
                  '       NOT GOOD TO KEEP CONNECTION OPEN FOR TOO LONG
                  ' IF COLUMN = 'THIS' THEN FEED INTO VARAIBLE
                  ' BECAUSE SIMILIAR VALUES EXIST IN DIFFERENT COLUMNS

                  Dim dt As DataTable
                  Dim myDataView As DataView

                  dt.Load(dataReader)
                  myDataView = dt.DefaultView
                  myDataView.Sort = "color_number DESC"

                  if dt.cr.paper_line = "y" and dt.cr.EMAIL_RESPONSE = "y" then
                            dim client_response_wants_legal_paper as string
                        dt = client_response_wants_legal_paper
                  end if

     
                  if dt.cr.color_number = "y" and dt.cr.vm_RESPONSE = "y" then
                            dim client_vm_wants_red_paper as string
                        dt = client_vm_wants_red_paper
                  end if

                  if dt.pt.product_weight = "y" and dt.cr.vm_RESPONSE = "y" then
                            dim client_vm_wants_weighted_paper as string
                        dt = client_vm_wants_weighted_paper
                  end if

     
                  '-------------------------------------------------------------------------------


                    dataReader.Close()
                    sqlConn.Close()
                End Using
            End Using

            'Retrieve the number of record.
            x = client_response.Count

            MsgBox("CLIENT FILE PATHS ARE NOT FOUND...")
            'UsernameTextBox.Focus()

      '-------------------------------------------------------------------------------
      '
      ' NOW THAT THE VARAIBLES HAVE BEEN SET...
      ' IF IT EXISTS...REDIRECT TO ANOTHER FUNCTION IN THE PROGRAM..

           If client_response_wants_legal_paper <> "" Then
                switch_paper_to8_x _14()
            End If

            If client_vm_wants_red_paper <> "" Then
                switch_color_to_red()
            End If

            If client_vm_wants_weighted_paper <> "" Then
                switch_paper_to_weighted()
            End If



        Catch ex As FileNotFoundException
        Catch ex As Exception
            MessageBox.Show("Please reJECT: DL ISSUE_sql connection....BODY: ERROR: " + ex.Message)
        End Try

    End Sub
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Author Comment

by:GlobaLevel
ID: 33560291
would this work the above????
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LVL 35

Accepted Solution

by:
YZlat earned 2000 total points
ID: 33560677
Use CASE WHEN
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LVL 10

Author Comment

by:GlobaLevel
ID: 33561166
does everything else look okay in the code?
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