protected void rgvQuestions_InsertCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
        {
            var ddlNeedComment = (DropDownList)e.Item.FindControl("ddlNeedComment");
            var txtQuestion    = (TextBox)e.Item.FindControl("txtQuestion");

            if (ddlNeedComment != null && txtQuestion != null)
            {
                var question = new PollQuestionDTO
                {
                    NeedComment = Convert.ToBoolean(Convert.ToInt32(ddlNeedComment.SelectedItem.Value)),
                    Question    = txtQuestion.Text,
                    PollId      = Convert.ToInt32(Request.QueryString["pid"])
                };
                if (eb.AddOrUpdatePollQuestion(question))
                {
                    rgvQuestions.Rebind();
                }
            }
        }