ction.GetDataString(sql).Trim();Р if (radioButton1.Checked == true)Р {РР sql = "update student_info set 性别='" + radioButton1.Text + "' where 学号='" + textBox1.Text.Trim() + "'";Р int g = DataConnection.UpdateDate(sql);Р }Р if (radioButton4.Checked == true)Р {РР sql = "update student_info set 性别='" + radioButton4.Text + "' where 学号='" + textBox1.Text.Trim() + "'";Р int f = DataConnection.UpdateDate(sql);Р }РР sql = "update student_info set ='" + textBox2.Text.Trim() + "',出生年月='" + textBox3.Text.Trim() + "',籍贯='" + textBox4.Text.Trim() + "',专业编号='" + b + "',院系编号='" + a + "' where 学号='" + textBox1.Text.Trim() + "'";