private void LoadCereriSange() { List <Cerere> cereriSange = service.GetAllCereriByIdDonator(Username); BindingSource bindingSource = new BindingSource(cereriSange, null); dataGridViewCereri.DataSource = cereriSange; dataGridViewCereri.Columns["Id"].Visible = false; dataGridViewCereri.Columns["CantitateGlobuleRosii"].Visible = false; dataGridViewCereri.Columns["CantitatePlasma"].Visible = false; dataGridViewCereri.Columns["CantitateTrombocite"].Visible = false; dataGridViewCereri.Columns["Medic"].Visible = false; dataGridViewCereri.Columns["Grupa"].Visible = false; dataGridViewCereri.Columns["RH"].Visible = false; }