private void FillDataGriedViewEv()
 {
     dataGridEvler.DataSource = evBusiness.GetAllHouseDTO();
     dataGridEvler.Columns["EvTur"].Visible   = false;
     dataGridEvler.Columns["Musteri"].Visible = false;
 }
        private void frmEvListele_Load(object sender, EventArgs e)
        {
            var allHouses = evBusiness.GetAllHouseDTO();

            FillDataGriedView(allHouses);
        }