Boundcolumn
Do not include control output
HyperlinkColumn
Output System.Web.ui.WebControls.hyperLink
TemplateColumn
Output System.Web.ui.DatabaseDAboundLiteralControl
ButtonColumn (Buttype = "LinkButton")
Output System.Web.ui.WebControls.DataGridLinkButton
Buttoncolumn (Buttype = "pushbutton")
Output System.Web.ui.WebControls.Button
EditCommandColumn (Buttype = "LinkButton")
Output System.Web.ui.WebControls.DataGridLinkButton
EditCommandColumn (Buttype = "Pushbutton")
Output System.Web.ui.WebControls.Button>