protected void Button1_Click(object sender, EventArgs e)
{
DonateEntities db = new DonateEntities();
string phoneNumber = TextBox1.Text.Trim();
string password = TextBox2.Text.Trim();
var query1 = from item in db.user where item.phoneNumber == phoneNumber select item;
if (query1.First() == null)
{
user u = new user();
u.phoneNumber = phoneNumber;
u.password = password;
db.user.Add(u);
db.SaveChanges();
Response.Write("注册成功！");
}
else
{
Response.Write("此手机号已被注册，请更换手机号！");
}
}
