Which is make best performance dynamicaly added controls or drag and drop form toolbox?

I am new to software programming.

S开发者_StackOverflow社区o tell me Which is make best performance dynamicaly added controls or drag and drop form toolbox? and how to calculate performance?

Dynamically Added a controls make best performance then drag and drop dynamic control can be occupy less memory then drag and drop and u can also create HTML controls dynamically... and other option is you can create your own controls (User controls) also and then use it in your page