private void button6_Click(object sender, EventArgs e)//确认修改 { StudentData studentData = new StudentData(); studentData.StuNo = textBox2.Text; studentData.StuPwd = textBox3.Text; studentData.StuName = textBox4.Text; studentData.StuNianji = textBox5.Text; studentData.Academy = textBox6.Text; studentData.Profession = textBox7.Text; studentData.StuClass = Convert.ToInt32(textBox8.Text); studentData.Grade = Convert.ToInt32(textBox9.Text); ad_ServicesBLL BLL = new ad_ServicesBLL(); if (BLL.UpdateStudatabll(studentData) > 0) { MessageBox.Show("修改成功", "提示", MessageBoxButtons.OK); textBox2.Text = ""; textBox3.Text = ""; textBox4.Text = ""; textBox5.Text = "2016"; textBox6.Text = ""; textBox7.Text = ""; textBox8.Text = ""; textBox9.Text = ""; DataTable table = BLL.SelectStubll(); dataGridView1.DataSource = table; } else { MessageBox.Show("更新失败", "提示", MessageBoxButtons.OKCancel); } }