private void button3_Click(object sender, EventArgs e) { Medicine_Data data = new Medicine_Data(); MedicineContext context = new MedicineContext(); if (richTextBox1.TextLength == 0) { data.Create_AnMorbi_Record(GlobalVar.selected_reception_ID, Convert.ToInt32(numericUpDown1.Value)); richTextBox1.Text = "Болеет " + context.AnMorbis.Where(c => c.reception_id == GlobalVar.selected_reception_ID).Select(c => c.count_days).FirstOrDefault().ToString() + " дней"; } else { data.UpdateAnMorbi_CountDays(GlobalVar.selected_reception_ID, Convert.ToInt32(numericUpDown1.Value)); richTextBox1.Text = "Болеет " + context.AnMorbis.Where(c => c.reception_id == GlobalVar.selected_reception_ID).Select(c => c.count_days).FirstOrDefault().ToString() + " дней"; } }