protected void GrvQuestions_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        Field1.Visible          = false;
        Field2.Visible          = true;
        Session["QuestionId"]   = e.CommandArgument.ToString();
        objQuestions            = new clsQuestionAnswers();
        objQuestions.QuestionId = Convert.ToInt32(Session["QuestionId"]);
        DataSet ds = objQuestions.GetQuestionById();

        lblQuestion.Text = ds.Tables[0].Rows[0][0].ToString();
    }
    protected void GRVPostedQuestions_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        Field2.Visible          = true;
        objQuestions            = new clsQuestionAnswers();
        objQuestions.QuestionId = Convert.ToInt32(e.CommandArgument.ToString());
        DataSet dsAnswers = objQuestions.GetPostedAnswersByQuestionId();

        if (dsAnswers.Tables[0].Rows.Count > 0)
        {
            GRVAnswers.DataSource = dsAnswers.Tables[0];
            GRVAnswers.DataBind();
        }
        DataSet dsQuestion = objQuestions.GetQuestionById();

        lblQuestion.Text = dsQuestion.Tables[0].Rows[0][0].ToString();
    }