private void ManuallyAdd(object sender, RoutedEventArgs e)
        {
            //手动添加修改物料数据,数据同步到数据库

            WPF_Material_Manual wpF_Material_Manual = new WPF_Material_Manual(this, view, "add");

            wpF_Material_Manual.ShowDialog();
        }
        private void Menu_Edit(object sender, RoutedEventArgs e)
        {
            ///编辑物料数据,数据同步到数据库
            ///

            try
            {
                DataRowView         mySelectedElement   = (DataRowView)datagridmaterial.SelectedItem;
                WPF_Material_Manual wpF_Material_Manual = new WPF_Material_Manual(this, mySelectedElement, "edit");
                wpF_Material_Manual.material_id.Text   = mySelectedElement.Row[0].ToString();
                wpF_Material_Manual.material_spec.Text = mySelectedElement.Row[1].ToString();
                wpF_Material_Manual.material_qty.Text  = mySelectedElement.Row[2].ToString();
                wpF_Material_Manual.box_id.Text        = mySelectedElement.Row[3].ToString();
                wpF_Material_Manual.Title = "编辑物料信息";
                wpF_Material_Manual.material_manual_determine.Content = "修改";

                wpF_Material_Manual.ShowDialog();
            }
            catch (InvalidCastException)
            {
                MessageBox.Show("导入的excel不能编辑");
            }
        }