ช่วยดูโค้ดให้หน่อยคับผมงงจิงๆเกียวกับ DataGridView คับพอดีข้อมูลที่ดึงมาจากฐานข้อมูลแต่ข้อมูลมันออกมาซ้ำกันคับ

Private Sub cmdSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSearch.Click
        If cboTypeList.Text = "" Then
            MessageBox.Show("กรุณาเลือกประเภทการค้นหาและกรอกข้อมูลที่ต้องการค้นหาด้วย !!!", "ผลการตรวจสอบ", MessageBoxButtons.OK, MessageBoxIcon.Information)
            Exit Sub
        End If

        Dim dtMemberSIC As New DataTable()
        Dim Sql As String = ""

        Com = New SqlCommand()
        With Conn
            If .State = ConnectionState.Open Then .Close()
            .ConnectionString = strConn
            .Open()
        End With

        Sql = "SELECT S.BarCode,S.DateAdd,T.NameTypeProduct,S.SizePackaging,S.NumberPackagingPer,S.PackagingPer,S.TotalWeight,S.NameCustomer,F.Name_F"
        Sql &= " FROM StockInventoryControl AS S,TypeProduct AS T,FactoryStaff AS F,StorkProduct AS SP"
        Sql &= " WHERE S.DateAdd BETWEEN @dtpStard AND @dtpEnd AND S.ID_TypeProduct=T.ID_TypeProduct AND S.IDFactoryStaffdgv=F.IDFactoryStaff AND SP.TypeProduct=S.TypeProduct"

        If cboTypeList.SelectedIndex = 1 Then
            Sql &= " AND S.BarCode=@BarCode"
        ElseIf cboTypeList.SelectedIndex = 2 Then
            Sql &= " AND S.NameCustomer LIKE @NameCustomer"
        End If

        dtMemberSIC = New DataTable()
        With Com
            .Parameters.Clear()
            .CommandType = CommandType.Text
            .CommandText = Sql
            .Connection = Conn
            .Parameters.Add("@dtpStard", SqlDbType.DateTime).Value = dtpstart.Value
            .Parameters.Add("@dtpEnd", SqlDbType.DateTime).Value = dtpend.Value
            If cboTypeList.SelectedIndex = 1 Then
                .Parameters.Add("@BarCode", SqlDbType.NVarChar).Value = mtbBarcode.Text
            ElseIf cboTypeList.SelectedIndex = 2 Then
                .Parameters.Add("@NameCustomer", SqlDbType.NVarChar).Value = txtSearch.Text
            End If
            dr = .ExecuteReader()
            If dr.HasRows Then
                dgvRawMaterialStorck.Columns.Clear()
                dtMemberSIC.Load(dr)
                dgvRawMaterialStorck.DataSource = dtMemberSIC
                With dgvRawMaterialStorck
                    .Columns(0).Width = 153
                    .Columns(1).Width = 112
                    .Columns(2).Width = 119
                    .Columns(3).Width = 71
                    .Columns(4).Width = 77
                    .Columns(5).Width = 73
                    .Columns(6).Width = 69
                    .Columns(7).Width = 97
                    .Columns(8).Width = 79
                    .Columns(0).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(1).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(2).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(3).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(4).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(5).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(6).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(7).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                    .Columns(8).DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter
                End With
            Else
                dgvRawMaterialStorck.Columns.Clear()
                MessageBox.Show("ไม่มีข้อมูลที่ระบุไว้ !!!", "ผลการตรวจสอบ", MessageBoxButtons.OK, MessageBoxIcon.Information)
                Exit Sub
            End If
        End With
        dr.Close()
        Conn.Close()
    End Sub