private void button1_Click(object sender, EventArgs e) { if (richTextBox1.Text == "") { pictureBox2.Show(); label6.Show(); flag = false; return; } else { pictureBox2.Hide(); label6.Hide(); flag = true; } if (flag == true)//验证通过 { apply applyDemo = new apply(); applyDemo.setStu_ID(studentDemo.getStu_ID()); applyDemo.setApply_start(dateTimePicker1.Value); applyDemo.setApply_end(dateTimePicker2.Value); applyDemo.setApply_reason(richTextBox1.Text); applyDemo.setCheck_tutor(0); applyDemo.setInstructor_ID(0); applyDemo.setApply_refuse(""); applyDemo.setApply_editTime(DateTime.Now); applyDemo.setApply_time(DateTime.Now); applyDemo.setTutor_ID(tutor_ID); applyDemo.setInstructor_ID(instructor_ID); applyDemo.setApply_editTime(DateTime.Now); sql_apply sa = new sql_apply(CP); sa.insert(applyDemo); MessageBox.Show("添加成功!", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); this.Hide(); } }