displaying sql results in a textbox

hi the if following show results of a query in a datagrid..

conn.Open()

dtr = cmd.ExecuteReader()

GridView1.DataSource = dtr

GridView1.DataBind()

 

how do i diplay the same stuff but in a textbox......?

 

also how do i display them in a text box which allready contains text,,,,, underneath the text that is allready there?
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