//修改邮箱
public ActionResult AlterUserEmail()
{
string userNameSession = Session["UserName"].ToString();
string userEmail = Request["userEmail"];
BLL.UserInfoServices userInfoService = new UserInfoServices();
var model = userInfoService.LoadEntities(o => o.UserName == userNameSession).FirstOrDefault();
model.UserEmail = userEmail;
userInfoService.EditEntity(model);
return(Json("ok", JsonRequestBehavior.AllowGet));
}