protected void rbtnStatus_CheckedChanged(object sender, EventArgs e)
    {
        try
        {
            RadioButton rbtn = sender as RadioButton;
            GridViewRow row = (GridViewRow)rbtn.NamingContainer;

            RadioButton rbtnyes = (RadioButton)row.FindControl("rbtnApproved");
            RadioButton rbtnHold = (RadioButton)row.FindControl("rbtnHold");
            Label lblstatus = (Label)row.FindControl("lblStatus");

            rbtnyes.Visible = false;
            rbtnHold.Visible = false;
            lblstatus.Visible = true;
            lblstatus.Text = rbtn.Text;

            objBal = new ClsBAL();
            string msg = objBal.Updatedmr(Convert.ToInt32(rbtn.ValidationGroup.ToString()), rbtn.Text);
            lblMsg.InnerText = msg;

        }
        catch (Exception ex)
        {
            lblMsg.InnerHtml = ex.Message;
        }
    }