protected void btnCTDelete_Click(object sender, ImageClickEventArgs e)
        {
            var key = int.Parse(CTID.Text);

            try
            {
                var obj = new CodeType();
                if (obj.IsValid(BusinessRulesValidationMode.DELETE))
                {
                    CodeType.FetchObject(key).Delete();
                    ddlCodeTypes.SelectedValue = "0";
                    LoadData();
                    ddlCodeTypes_SelectedIndexChanged(null, null);

                    var masterPage = (IControlRoomMaster)Master;
                    if (masterPage != null)
                    {
                        masterPage.PageMessage = SRPResources.DeleteOK;
                    }
                }
                else
                {
                    var    masterPage = (IControlRoomMaster)Master;
                    string message    = String.Format(SRPResources.ApplicationError1, "<ul>");
                    foreach (BusinessRulesValidationMessage m in obj.ErrorCodes)
                    {
                        message = string.Format(String.Format("{0}<li>{{0}}</li>", message), m.ErrorMessage);
                    }
                    message = string.Format("{0}</ul>", message);
                    if (masterPage != null)
                    {
                        masterPage.PageError = message;
                    }
                }
            }
            catch (Exception ex)
            {
                var masterPage = (IControlRoomMaster)Master;
                if (masterPage != null)
                {
                    masterPage.PageError = String.Format(SRPResources.ApplicationError1, ex.Message);
                }
            }
        }