private void button4_Click(object sender, EventArgs e) { Medicine_Data data = new Medicine_Data(); MedicineContext context = new MedicineContext(); GlobalVar gl = new GlobalVar(); if (textBox2.Text != "") { data.Create_AnVitae_Record(GlobalVar.selected_reception_ID, textBox2.Text); dataGridView3.Rows.Clear(); if (context.AnVitaes.Where(c => c.reception_id == GlobalVar.selected_reception_ID).Count() > 0) { foreach (var r in context.AnVitaes.Where(c => c.reception_id == GlobalVar.selected_reception_ID).ToList()) { string _vit_name = context.AnVitaes.Where(c => c.vitae_id == r.vitae_id).Select(c => c.vitae_value).FirstOrDefault().ToString(); dataGridView3.Rows.Add(r.vitae_id, _vit_name); } gl.SetContextMenu_Collumns(dataGridView3, id_context); } } }