在render方法中处理重新渲染组件的最佳方法

I have a component,assume(Login).When i sent the request to server,i am fetching response(eventually i am getting the data in terms of props to my Login Component).Form props i need to validate ,to which component ,i allow the user.The below thing what i am doing so far,please update me the best approach I have a component,assume(Login).When i sent th