public static UserInfo Login(string name, string pwd) { using (ChatDbContext db = new ChatDbContext()) { return db.UserInfos.FirstOrDefault(u => u.Name == name && u.Password == pwd); } }
public static UserInfo GetByID(int id) { using (ChatDbContext db = new ChatDbContext()) { var ur = db.UserInfos.FirstOrDefault(u => u.Id == id); return ur; } }
public static UserInfo Regester(UserInfo usr) { using (ChatDbContext db = new ChatDbContext()) { var ur = db.UserInfos.Add(usr); db.SaveChanges(); return ur; } }
public static bool Exist(string usrName) { using (ChatDbContext db = new ChatDbContext()) { var ur = db.UserInfos.Any(u => u.Name == usrName); return ur; } }