private void button9_Click(object sender, EventArgs e) { Medicine_Data data = new Medicine_Data(); MedicineContext context = new MedicineContext(); GlobalVar gl = new GlobalVar(); if (comboBox2.Text != "") { int _ins_id = Convert.ToInt32(context.Researches.Where(c => c.ins_name == comboBox2.Text).Select(c => c.ins_id).FirstOrDefault()); data.Create_Inspection_Record(GlobalVar.selected_reception_ID, _ins_id, comboBox5.Text); } dataGridView6.Rows.Clear(); if (context.Inspections.Where(c => c.reception_id == GlobalVar.selected_reception_ID).Count() > 0) { foreach (var r in context.Inspections.Where(c => c.reception_id == GlobalVar.selected_reception_ID).ToList()) { string _ins_name = context.Researches.Where(c => c.ins_id == r.ins_id).Select(c => c.ins_name).FirstOrDefault().ToString(); string _ins_status = context.Inspections.Where(c => c.ins_id == r.ins_id).Select(c => c.inspection_status).FirstOrDefault().ToString(); dataGridView6.Rows.Add(r.selected_ins_id, _ins_name, _ins_status); } gl.SetContextMenu_Collumns(dataGridView6, id_context); } }