public void AddNewCoordinates(double lat, double lon, string user)
 {
     using (var context = new CheckInEntities())
     {
         context.Coordinates.Add(new Coordinates {
             Latitude = lat, Longitude = lon, UserFK = user
         });
         context.SaveChanges();
     }
 }
 /*Adding new user to database*/
 public bool SignUpUser(string log, string pas, string mail)
 {
     using (var context = new CheckInEntities())
     {
         try
         {
             context.LoginInfoes.Add(new CheckInEF.LoginInfo()
             {
                 Login = log, Password = pas, Email = mail
             });
             context.SaveChanges();
             return(true);
         }
         catch (Exception ex)
         {
             return(false);
         }
     }
 }