private void btnEdit_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (dtgManufacturer.SelectedItem != null)
                {
                    Manufacturer          oManufacturer          = dtgManufacturer.SelectedItem as Manufacturer;
                    ucAddEditManufacturer oucAddEditManufacturer = new ucAddEditManufacturer(oManufacturer, true);
                    winDialog             oDialog = new winDialog(oucAddEditManufacturer)
                    {
                        ShowInTaskbar = true,
                        WindowTitle   = "Edit Manufacturer",
                        Height        = 170,
                        Width         = 500
                    };
                    oDialog.ShowDialog();

                    UpdateDataGrid();
                }
                else
                {
                    MessageBox.Show("Please select a manufacturer from grid");
                }
            }
            catch (Exception)
            {
                MessageBox.Show("Can not open window to edit manufacturer");
            }
        }
        private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                Manufacturer oManufacturer = new Manufacturer();
                ucAddEditManufacturer oucAddEditManufacturer = new ucAddEditManufacturer(oManufacturer, false);
                winDialog oDialog = new winDialog(oucAddEditManufacturer)
                {
                    ShowInTaskbar = true,
                    WindowTitle = "Add a new Manufacturer",
                    Height = 170,
                    Width = 500
                };
                oDialog.ShowDialog();

                UpdateDataGrid();


            }
            catch (Exception)
            {

                MessageBox.Show("Can not open window to add manufacturer");
            }
        }
        private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                Manufacturer          oManufacturer          = new Manufacturer();
                ucAddEditManufacturer oucAddEditManufacturer = new ucAddEditManufacturer(oManufacturer, false);
                winDialog             oDialog = new winDialog(oucAddEditManufacturer)
                {
                    ShowInTaskbar = true,
                    WindowTitle   = "Add a new Manufacturer",
                    Height        = 170,
                    Width         = 500
                };
                oDialog.ShowDialog();

                UpdateDataGrid();
            }
            catch (Exception)
            {
                MessageBox.Show("Can not open window to add manufacturer");
            }
        }
        private void btnEdit_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (dtgManufacturer.SelectedItem != null)
                {
                    Manufacturer oManufacturer = dtgManufacturer.SelectedItem as Manufacturer;
                    ucAddEditManufacturer oucAddEditManufacturer = new ucAddEditManufacturer(oManufacturer, true);
                    winDialog oDialog = new winDialog(oucAddEditManufacturer)
                    {
                        ShowInTaskbar = true,
                        WindowTitle = "Edit Manufacturer",
                        Height = 170,
                        Width = 500
                    };
                    oDialog.ShowDialog();

                    UpdateDataGrid();
                }
                else
                    MessageBox.Show("Please select a manufacturer from grid");

            }
            catch (Exception)
            {

                MessageBox.Show("Can not open window to edit manufacturer");
            }
        }