private void button2_Click(object sender, EventArgs e) { MedicineContext context = new MedicineContext(); Medicine_Data data = new Medicine_Data(); GlobalVar gl = new GlobalVar(); if (textBox1.Text != "") { data.Create_Complaint_Record(GlobalVar.selected_reception_ID, textBox1.Text); dataGridView2.Rows.Clear(); foreach (var r in context.Complaints.Where(c => c.reception_id == GlobalVar.selected_reception_ID).ToList()) { string _compl_name = context.Complaints.Where(c => c.complaint_id == r.complaint_id).Select(c => c.complaint_value).FirstOrDefault().ToString(); dataGridView2.Rows.Add(r.complaint_id, _compl_name); } gl.SetContextMenu_Collumns(dataGridView2, id_context); } }