diff --git a/MainWindow.xaml b/MainWindow.xaml
index a6dcc23..a72e796 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -142,7 +142,7 @@
                 <DataGridTemplateColumn Header="原料代码" Width="200" MaxWidth="400" MinWidth="100">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
-                            <ComboBox x:Name="CP_PRODUCT_CODE" BorderThickness="0,0,0,0" Text="{Binding PRODUCT_CODE}" BorderBrush="{x:Null}" Background="{x:Null}" IsEditable="True" KeyUp="CP_PRODUCT_CODE_KeyUp"/>
+                            <ComboBox x:Name="CP_PRODUCT_CODE" BorderThickness="0,0,0,0" Text="{Binding PRODUCT_CODE}" BorderBrush="{x:Null}" Background="{x:Null}" IsEditable="True" KeyDown="CP_PRODUCT_CODE_KeyUp"/>
                         </DataTemplate>
                     </DataGridTemplateColumn.CellTemplate>
                 </DataGridTemplateColumn>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 1634017..c3adc85 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -267,45 +267,11 @@ namespace formula_manage
 
         private void CP_PRODUCT_CODE_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)
         {
-           
-                string PRODUCTCODE = null;
-                int rownum = Grid_RRODUCT.SelectedIndex;
-               // string PRODUCTCODE = (Grid_RRODUCT.Columns[2].GetCellContent(Grid_RRODUCT.Items[rownum]) as System.Windows.Controls.ComboBox).Text;
-          
-            //string PRODUCTCODE = DetailedGrid.//DataGridTemplateColumn.CellTemplateProperty.ToString(); //(DetailedGrid.CurrentCell.ToString() as DataGridTemplateColumn);  //DataGridComboBoxColumn).TextBinding; //DetailedGrid.CurrentCell..ToString();
-
-
-               DataGridTemplateColumn PRODUCTCODE_tempColumn = this.Grid_RRODUCT.Columns.Where(r => r.Header.Equals("原料代码")).FirstOrDefault() as DataGridTemplateColumn;
-               FrameworkElement PRODUCTCODE_element = PRODUCTCODE_tempColumn.GetCellContent(Grid_RRODUCT.Items[rownum-1]);
-
-               if (PRODUCTCODE_element != null)//构件类型
-                {
-                   //把单元格元素转换为相应的控件，再从该控件中取值
-              // System.Windows.Controls.ComboBox
-                    PRODUCTCODE = (PRODUCTCODE_tempColumn.CellTemplate.FindName("CP_PRODUCT_CODE", PRODUCTCODE_element) as System.Windows.Controls.ComboBox).Text;
-               }
-          //  string specs = Grid_RRODUCT.SelectedCells[1].Column.GetCellContent(Grid_RRODUCT.SelectedItem) as TextBlock).Text; // return null
-          //  imgPopup.Source = dgridTenderInventory.SelectedCells[1].Column.GetCellContent(item) as Image).Source; // ?? how does it be implemented?
-
-         /*   if (PRODUCTCODE == null)
+            if (e.Key == Key.Enter)
             {
-                if (e.Key == Key.Enter)
-                {
-                    UserClass.PressKey.PressKeys(Keys.Right, false);
-                    UserClass.PressKey.PressKeys(Keys.Right, true);
-                    UserClass.PressKey.PressKeys(Keys.Tab, false);
-                    UserClass.PressKey.PressKeys(Keys.Tab, true);
-                }
-            
+                UserClass.PressKey.PressKeys(Keys.Tab, false);
+                UserClass.PressKey.PressKeys(Keys.Tab, true);
             }
-            else
-            {
-                if (e.Key == Key.Enter)
-                {
-                    UserClass.PressKey.PressKeys(Keys.Tab, false);
-                    UserClass.PressKey.PressKeys(Keys.Tab, true);
-                }
-            }           */
         }
 
         private void CP_CONC_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)