[DotNetDevelopment] How to Specify the Style tag for asp.net controls in code behind Page

[Niti]

Hi,
     This is Niti and im creating a dynamic web page, in that page im
adding button dynamicaaly which is depedent on the user type,
The problem im facing is i want to specify the style tag from code
behind page.

Ex :
     Consider i m adding a button
      Button btn1 = new Button();
      btn1.ID = "lnkEmp";
      btn1.Text = "Employee";
      Panel1.Controls.Add(btn1);

     so after adding the controls i want to change the back color and
border color of the button

Plz help me out if know the solutions and ur also welcome for some
suggestion too

Regards
Niti