bonjour afin d'eviter les repetition de code j'aimerai optimiser mon code suivant mais je ne sais pas comment mi prendre:

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 Select Case True
 
Case Me.J.Checked And Me.E.Checked And Me.Bo.Checked And Me.Rch_1.SelectedItem = "app"
table1 = "Table_app"
cmd.CommandText = String.Format("SELECT  (Chm) from {0} WHERE [ID] =1", table1)
 
                If cnn.State = ConnectionState.Open Then
                    cnn.Close()
                    cnn.Open()
                ElseIf cnn.State = ConnectionState.Closed Then
                    cnn.Open()
                End If
                Dim LectureUneInfo As OleDbDataReader = cmd.ExecuteReader
 
                While LectureUneInfo.Read()
                    Xwmp = AxWindowsMediaPlayer1.newMedia(LectureUneInfo(0))
                    AxWindowsMediaPlayer1.currentPlaylist.insertItem(0, Xwmp)
                    titre(LectureUneInfo(0))
 
                End While
                LectureUneInfo.Close()
 
Case Me.J.Checked And Me.E.Checked And Me.Bo.Checked And Me.Rch.SelectedItem = "Vo"
table1 = "Table_VO"
cmd.CommandText = String.Format("SELECT  (Chm) from {0} WHERE [ID] =1", table1)
 
                If cnn.State = ConnectionState.Open Then
                    cnn.Close()
                    cnn.Open()
                ElseIf cnn.State = ConnectionState.Closed Then
                    cnn.Open()
                End If
                Dim LectureUneInfo As OleDbDataReader = cmd.ExecuteReader
 
                While LectureUneInfo.Read()
                    Xwmp = AxWindowsMediaPlayer1.newMedia(LectureUneInfo(0))
                    AxWindowsMediaPlayer1.currentPlaylist.insertItem(0, Xwmp)
                    titre(LectureUneInfo(0))
 
                End While
                LectureUneInfo.Close()
Case Me.J.Checked And Me.E.Checked And Me.Bo.Checked And Me.Rch.SelectedItem = "Cons"
table1 = "Table_CONS"
cmd.CommandText = String.Format("SELECT  (Chm) from {0} WHERE [ID] =1", table1)
 
                If cnn.State = ConnectionState.Open Then
                    cnn.Close()
                    cnn.Open()
                ElseIf cnn.State = ConnectionState.Closed Then
                    cnn.Open()
                End If
                Dim LectureUneInfo As OleDbDataReader = cmd.ExecuteReader
 
                While LectureUneInfo.Read()
                    Xwmp = AxWindowsMediaPlayer1.newMedia(LectureUneInfo(0))
                    AxWindowsMediaPlayer1.currentPlaylist.insertItem(0, Xwmp)
                    titre(LectureUneInfo(0))
 
                End While
                LectureUneInfo.Close()
......
merci