Set default Focus button in ASP.net 2.0

asp.net| button in ASP.net 1.1, when you want to set a control as the default Focus button in the Page_Load page (that is, the default focus is on this control), you might want to use JavaScript code, and in ASP.net 2.0, Without these problems, in the form code, use the
DefaultButton and DefaultFocus properties are OK, like
<form id= "Form1"
defaultbutton= "Btnsubmit"

Defaultfocus= "TextBox1"

runat= "Server" >
The default button button is btnsubmit when the page loads, and the focus defaults to the Texbox1.