public string LogIn(string Username, string Password, string logfrom) { string status = "Not LoggedIn"; string UserRefID = ""; string SessionID = Session["CurrentSession"].ToString().Trim(); string Validate = "No"; LogIn userlogin = new LogIn(Username, Password); bool IsExist = userlogin.CheckUserExist(); if (IsExist) { bool IsMatching = userlogin.CheckPassword(); if (IsMatching) { UserRefID = userlogin.GetUserRefID(); status = "LoggedIn"; Validate = "Yes"; } else { status = "Password Incorrect"; } } else { status = "Not Exist"; } DataTable CheckSession = AppData.CheckSession(SessionID, Username); if (CheckSession.Rows.Count > 0) { } else { AppData.SaveLoginSession(SessionID, Username, status, Validate, logfrom); } User currentuser = new User(UserRefID, SessionID, status); JavaScriptSerializer js = new JavaScriptSerializer(); return(js.Serialize(currentuser)); }