title: Control comboboxes in groupboxes
body: <p>I have 56 comboboxes in 8 groupboxes.Groupboxes' name is groupBox1 , groupBox2 so on.Checboxes' name is comboBox_51, comboBox_52..comboBox_530 , comboBox_71... comboBox_725 so on.I want to control start names comboBox_5 and comboBox_7 and get information about selectedIndex here is my code which is unsuccess.</p>
  
  <pre><code>foreach (var groupbox_ in this.Controls.OfType&lt;GroupBox&gt;().Where(x =&gt; Name.StartsWith("groupBox")))
          {
  
  
              foreach (var combobox_ in this.groupbox_.Controls.OfType&lt;ComboBox&gt;().Where(x =&gt; Name.StartsWith("comboBox_5")))
              {
  
                  switch (combobox_.SelectedIndex)
                  {
                      case 0:
                          toplam += 20F; akts += 5;
                          break;
                      case 1:
                          toplam += 17.5F; akts += 5;
                          break;
                      case 2:
                          toplam += 15F; akts += 5;
                          break;
                      case 3:
                          toplam += 12.5F; akts += 5;
                          break;
                      case 4:
                          toplam += 10F; akts += 5;
                          break;
                      case 5:
                          toplam += 7.5F; akts += 5;
                          break;
                      case 6:
                          toplam += 5F; akts += 5;
                          break;
                      case 7:
                          toplam += 2.5F; akts += 5;
                          break;
                      case 8:
                          toplam += 0F; akts += 5;
                          break;
                      default:
                          toplam += 0F; akts += 0;
                          break;
                  }
              }
  
          }
  </code></pre>