protected void btnUpdateDuration_Click(object sender, EventArgs e)
{
int Id = Convert.ToInt32(Session["durationId"]);
TimeSpan duration = TimeSpan.Parse(txtEditDuration.Text);
MasterEntries objMasterEntries = new MasterEntries();
objMasterEntries.UpdateDuration(Id, duration);
GridDuration();
popupEditDuration.Hide();
}