private void btnsubmit_Click(object sender, System.EventArgs e)
{
string username=txtusername.Text;
string userpassword=txtuserpwd.Text;
string usersex=rblsex.SelectedItem.Value;
string birthday=ddlnian.SelectedItem.Text.ToString()+"-"+ddlyue.SelectedItem.Text.ToString()+"-"+ddlri.SelectedItem.Text.ToString();
string email=txtemail.Text;
string question=ddlquestion.SelectedItem.Value;
string answer=txtanswer.Text;
string insert= " INSERT INTO user_info (user_name ,user_pwd,user_sex,user_birthday,user_question,user_answer,user_email) VALUES ('" ;
insert += username + "', '" ;
insert += userpassword + "', '" ;
insert += usersex + "', '" ;
insert += birthday + "', '" ;
insert += question + "', '" ;
insert += answer + "', '" ;
insert += email + "') " ;
SqlConnection conn = new SqlConnection();
conn.ConnectionString=ConfigurationSettings.AppSettings["ConnectionString"];
SqlCommand cmd= new SqlCommand();
cmd.CommandText=insert;
cmd.Connection = conn;
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
Response.Write("<script Language = 'javascript'>alert('注册成功!');;window.location.replace('login_userinfo_add.aspx');</script>");
}