private void button1_Click(object sender, EventArgs e)
{
var xs = new 学生表();
xs.学号 = textBox1.Text;
xs.姓名 = textBox2.Text;
xs.性别 = textBox3.Text;
// xs.班级 = textBox4.Text;
xs.通信地址 = textBox5.Text;
xs.出生日期 = DateTime.Parse(textBox6.Text);
xs.身高 = decimal.Parse(textBox7.Text);
xs.金额 = decimal.Parse(textBox8.Text);
var mydb = new jiaowudataEntities();
mydb.学生表.Add(xs);
mydb.SaveChanges();
this.Close();
}