[Help]VB Read text file[Solved]

hello Guys Mpgh member
i want to ask how i can made the visual basic 2008
read the file text like C:\mmm\mmm\text001.text
and show it in the textbox
thx

dim reader as system.io.streamreader = new streamreader("C:\test.txt")

textbox1.text = reader.readtoend

reader.dispose

that don't work error in dim reader as system.io.streamreader = new streamreader("C:\test.txt")

the Color Read say Error