//xiug private void button2_Click(object sender, EventArgs e) { if (button2.Text == "修改") { comboBox1.Enabled = true; button2.Text = "保存"; button1.Enabled = button5.Enabled = button3.Enabled = button4.Enabled = false; } else { if (myguid != Guid.Empty) { m_dst.UpdateSeqbund(comboBox1.SelectedValue.ToString(), myguid); MessageBox.Show("修改成功"); m_dst.GetSeqbund(); } else { MessageBox.Show("请选择要修改的那一行"); } comboBox1.Enabled = false; button2.Text = "修改"; button1.Enabled = button5.Enabled = button3.Enabled = button4.Enabled = true; } }