private bool valueChecked(Value value, ListBox ckdListBox)
        {
            bool retVal = false;

            for (int i = 0; i < ckdListBox.Items.Count; i++)
            {
                string val = value.getValue() + "-" + value.getDescription();
                if ((val.Equals(ckdListBox.Items[i])) & ckdListBox.GetSelected(i))
                {
                    retVal = true;
                    break;
                }
            }
            return retVal;
        }
 private void removeCheckBox(Value value, ListBox ckdListBox)
 {
     string val = value.getValue() + "-" + value.getDescription();
     for (int i = 0; i < ckdListBox.Items.Count; i++)
     {
         if (val.Equals(ckdListBox.Items[i]))
         {
             ckdListBox.Items.RemoveAt(i);
         }
     }
 }
 private bool textFound(Value value, string searchedText)
 {
     bool retVal = false;
     string val = value.getValue() + "-" + value.getDescription();
     if (val.Contains(searchedText) || (searchedText == ""))
     {
         retVal = true;
     }
     return retVal;
 }
 private bool existCheckBox(Value value, ListBox ckdListBox)
 {
     bool retVal = false;
     string val = value.getValue() + "-" + value.getDescription();
     for (int i = 0; i < ckdListBox.Items.Count; i++)
     {
         if (val.Equals(ckdListBox.Items[i]))
         {
             retVal = true;
             break;
         }
     }
     return retVal;
 }