private void btn_dispatchenum_Click(object sender, EventArgs e) { decimal num = 0; try { num = Convert.ToDecimal(txt_dispatchenum_pl.Text); } catch (Exception) { MessageBox.Show("输入数量格式有误!"); } DialogResult re = MessageBox.Show("确定修改缓存每次空余量为:" + txt_dispatchenum_pl.Text + " ?", "数据修改", MessageBoxButtons.OKCancel, MessageBoxIcon.Question); if (re == DialogResult.OK) { UnionCacheServer.up_dispatchenum(num); dataGridView1.DataSource = UnionCacheServer.GetAllData(); } }