how to call form2

i created a CLR win form application. i have add new item win form name form2. in form1 there is a button named button1.

in win form form2, there is a text box whose text is "hello world"

i want to click button1 of form1, then form2 will be displayed with textbox and text. as i created.

i have tried with showdialog and show method,

but it displays another difault form

plz help