private void button8_Click_1(object sender, EventArgs e)//确认修改 { TeacherData teacherData = new TeacherData(); teacherData.TeaNo = tbteano.Text.Trim(); teacherData.TeaPwd = tbteapwd.Text.Trim(); teacherData.TeaName = tbteaname.Text.Trim(); teacherData.Academy = tbacademy.Text.Trim(); teacherData.GroupNumber = Convert.ToInt32(tbgroupnumber.Text.Trim()); ad_ServicesBLL BLL = new ad_ServicesBLL(); if (BLL.UpdateTeadatabll(teacherData) > 0) { MessageBox.Show("修改成功", "提示", MessageBoxButtons.OK); tbteano.Text = ""; tbteapwd.Text = ""; tbteaname.Text = ""; tbacademy.Text = ""; tbgroupnumber.Text = ""; DataTable table = BLL.SelectTeabll(); Teagridview.DataSource = table; } else { MessageBox.Show("更新失败", "提示", MessageBoxButtons.OKCancel); } }