private void btnAdd_Click(object sender, EventArgs e) { StudentBLL objstudentBBLClass = new StudentBLL(); StudentModel objStudentModel = new StudentModel(); objStudentModel.StuNum = txtStuNum.Text; objStudentModel.StuName = txtStuName.Text; objStudentModel.StuSex = cbxStuSex.Text; objStudentModel.Address = txtAddress.Text; objStudentModel.ClaNum = txtClaNum.Text; if (objstudentBBLClass.Insertstudent(objStudentModel) == true) MessageBox.Show("数据添加成功"); else MessageBox.Show("数据添加失败"); dataGridView1.DataSource = objstudentBBLClass.ShowStuInfo(); }