2016-04-10 10 views
0

背景:クエリは、実行するたびに同じデータを返します。

これらのコードを使用して、データベースに異なるアピール数を追加します。各アピール番号には、これらのコードを介して割り当てられた割り当てコードがあります。

問題:

問題は、私は同時に2人の以上の控訴を追加するときに、このコードは唯一の追加第一の魅力に割り当て、割り当てコードを検出したが、次の追加割り当て数を検出しないです。

私のThread.sleepメソッドを追加しようとしたが、結果は同じです。

Try 
     ' Find out last assignment code 
     Dim fillCommand As String 
     Dim FillList As New OleDb.OleDbDataAdapter 
     Dim dt As New DataTable 
     Dim rowdata As Integer 

     Dim ConnString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=|DataDirectory|\ComplianceDB.accdb;Jet OLEDB:Database Password=xxxxxxx;" 'D:\Important Programing links\Programming Learning\Compliance Diary\ComlianceDiary\ComlianceDiary\database\ComplianceDB.accdb" 
     Dim Conn As New OleDb.OleDbConnection(ConnString) 
     Conn.Open() 

     If ListView1.Items.Count = 0 Then 
      MessageBox.Show("Please enter valid information to add appeal.", Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Error) 
     ElseIf BenchComboBox.Text = "" Or NoticeLocationTextBox.Text = "" Or BenchMembersTextBox.Text = "" Then 
      MessageBox.Show("Please enter all the required information to add appeal.", Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Error) 

     Else 

      For i = 0 To ListView1.Items.Count - 1 
       'Add Appeals to ATIR list 
       Me.ATIRTableAdapter.Insert(ClientComboBox.Text, ListView1.Items(i).SubItems.Item(1).Text, ListView1.Items(i).Text, ListView1.Items(i).SubItems.Item(2).Text, BenchComboBox.Text, BenchMembersTextBox.Text, HearingDate.Value.Date, ListView1.Items(i).SubItems.Item(4).Text, mgrComboBox.Text, txtdescription.Text, ListView1.Items(i).SubItems.Item(3).Text, NoticeLocationTextBox.Text, ChangePassword.GUIDTextBox.Text, DateAndTime.Today) 

       Dim AssignmentCommand = New OleDbCommand("select AssignmentCode, AssignmentName from Assignment where AssignmentName = 'ATIR Appeal - " & ListView1.Items(i).Text & "' AND ClientName = '" & ClientComboBox.Text & "'", Conn) ' (select max(AssignmentCode) from Assignment)" 'SELECT * FROM Assignment Where AssignmentName = '" & AssignmentNameTextBox.Text & "' AND ClientName = '" & ClientNameComboBox.Text & "'" ' WHERE DateofHearing BETWEEN " & Today.Date & " AND " & Today.Date.AddDays(15) 
       Dim Reader As OleDbDataReader = AssignmentCommand.ExecuteReader 
       'Check if the assignment name already exists, if yes, fetch old assignment code and add it to new compliance 
       If Reader.Read Then 
        Dim ATIRCodeCmd = New OleDbCommand("select ID from ATIR where ID = (select max(ID) from ATIR)", Conn) 'SELECT * FROM Assignment Where AssignmentName = '" & AssignmentNameTextBox.Text & "' AND ClientName = '" & ClientNameComboBox.Text & "'" ' WHERE DateofHearing BETWEEN " & Today.Date & " AND " & Today.Date.AddDays(15) 
        Dim ReaderATIRCode As OleDbDataReader = ATIRCodeCmd.ExecuteReader 
        While ReaderATIRCode.Read() 
         Me.NoticeComplianceTableAdapter1.Insert(ClientComboBox.Text, Reader.Item(1).ToString, Today.Date, Today.Date, Reader.Item(1).ToString, NoticeLocationTextBox.Text, txtdescription.Text, Reader.Item(0).ToString, "No", "", "", "Pending", ListView1.Items(i).SubItems.Item(1).Text, "", "", "", "Fresh Notice", "", "", ChangePassword.GUIDTextBox.Text, DateAndTime.Today, mgrComboBox.Text, PartnerNameTextBox.Text, SrManagerNameTextBox.Text, "AppellateCompliance", HearingDate.Value.Date, "", "", "", "", "", ReaderATIRCode.Item(0).ToString, "ATIR") 
        End While 
       Else 

        'if assignment does not exists, then create a new one and give new assignment number to new compliance. 
        Me.AssignmentTableAdapter1.Insert(ListView1.Items(i).SubItems.Item(1).Text, ClientComboBox.Text, "ATIR Appeal - " & ListView1.Items(i).Text, "N/A", "Pending", "No", Today.Date, HearingDate.Value.Date, HearingDate.Value.Date, mgrComboBox.Text, SrManagerNameTextBox.Text, PartnerNameTextBox.Text, "Income Tax Ordinance, 2001", "Pending", "", "Pending", "", "Pending", "", Today.Date, "", Today.Date, "Pending", Today.Date, "") 
        Dim AssignmentCodeCmd = New OleDbCommand("select AssignmentCode from Assignment where AssignmentCode = (select max(AssignmentCode) from Assignment)", Conn) 'SELECT * FROM Assignment Where AssignmentName = '" & AssignmentNameTextBox.Text & "' AND ClientName = '" & ClientNameComboBox.Text & "'" ' WHERE DateofHearing BETWEEN " & Today.Date & " AND " & Today.Date.AddDays(15) 
        Dim ReaderCode As OleDbDataReader = AssignmentCodeCmd.ExecuteReader 
        While ReaderCode.Read() 
         rowdata = ReaderCode.Item(0).ToString 
         ReaderCode.NextResult() 
        End While 

        Dim ATIRCodeCmd = New OleDbCommand("select ID from ATIR where ID = (select max(ID) from ATIR)", Conn) 'SELECT * FROM Assignment Where AssignmentName = '" & AssignmentNameTextBox.Text & "' AND ClientName = '" & ClientNameComboBox.Text & "'" ' WHERE DateofHearing BETWEEN " & Today.Date & " AND " & Today.Date.AddDays(15) 
        'Thread.Sleep(1000) 
        Dim ReaderATIRCode As OleDbDataReader = ATIRCodeCmd.ExecuteReader 
        While ReaderATIRCode.Read() 
         Me.NoticeComplianceTableAdapter1.Insert(ClientComboBox.Text, "ATIR Appeal - " & ListView1.Items(i).Text, Today.Date, Today.Date, "ATIR Appeal - " & ListView1.Items(i).Text, NoticeLocationTextBox.Text, txtdescription.Text, rowdata, "No", "", "", "Pending", ListView1.Items(i).SubItems.Item(1).Text, "", "", "", "Fresh Notice", "", "", ChangePassword.GUIDTextBox.Text, DateAndTime.Today, mgrComboBox.Text, PartnerNameTextBox.Text, SrManagerNameTextBox.Text, "AppellateCompliance", HearingDate.Value.Date, "", "", "", "", "", ReaderATIRCode.Item(0).ToString, "ATIR") 
        End While 

       End If 
       Reader.Close() 
      Next 

      MessageBox.Show("ATIR Appeal(s) have been noted.", Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Information) 
      Conn.Close() 

      Me.Close() 
     End If 

    Catch ex As Exception 
     MessageBox.Show(ex.Message, Me.Text, MessageBoxButtons.OK, MessageBoxIcon.Information) 
    End Try 
+1

***決してEVER ***のような何かを行う 'SELECT MAX(...)+ 1 '「次の最も高い」ID番号を取得するには - これは、システムで***ちょうど***安全ではありません複数のユーザー!データベースがこれを処理するようにしてください。これらの種類のカウンタには、MS Accessの 'Autonumber'やSQL Serverの' INT IDENTITY'カラムの自動ナンバリングを使用してください。自分のロールを出そうとしないでください - データベースの内容を使用しないでください! –

+0

お返事ありがとうございます。 –

+0

どうすれば私の目的を達成できるのか教えてください。 Select MAX(..)は、データベース内の別のテーブルから次に高いIDの値を取得するために使用されます。他のテーブルから最高の値を取得するのに適したコマンドです。 –

答えて

0

気にしないでください。私は@@IDENTITY sqlコマンドを使用して私の問題を解決しました。あなたの貢献に感謝します。

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