Want To Register User Control in multiple aspx pages

Question

Hello Everyone,

        I Have Created a Web User Control Which Should Be Registered in my Website For All Aspx Pages, I Know How To Register my User Control in aspx page, but The Thing is ,in My website i m having around 150+ aspx pages so i can register user control in all pages one by one but it takes lot of time for me is there any solution to register user control in all aspx pages at a time ?? if so how it is can anybody send sample code?? 

 

Thanks in Advance...