Richtextbox Help Please!!!!!!!!!!!!

Hi,

I have four columns in a table. They Are:

1) Test Group
2) Test Name
3) Rate
4) Disc

Now I want to retrieve all these columns and put it into a RICHTEXTBOX .

I want all the columns to be properly formated something like this:
---------------------------------------------------------------------
TESTGROUP TEST NAME RATE DISC
---------------------------------------------------------------------
BLOOD HBC 50 5
CT SCAN TRACHEOSOMETHING 45 5
---------------------------------------------------------------------
etc

Can somebody help plzz??