Update

src/Controller/LoginFrameController/LoginFrameController.cpp

@@ -5,9 +5,10 @@ LoginFrameController::LoginFrameController()
 
 }
 
-bool LoginFrameController::tryLogin(std::string id, std::string password){
+bool LoginFrameController::tryLogin(QString id, QString password){
     //DatabaseHandler dbHandler = new Databasehandler();
     //dbHandler.CheckValidLogin();
-
+    
+    
     return true;
 }

src/Controller/LoginFrameController/LoginFrameController.hpp

@@ -1,9 +1,10 @@
 #pragma once
 #include <iostream>
+#include <QString>
 
 class LoginFrameController{
 private:
 public:
     LoginFrameController();
-    bool tryLogin(std::string id, std::string password);
+    bool tryLogin(QString id, QString password);
 };