[SOLVED] - Hide edit button in a grid

in a grid, i only need add records. It’s solve with a form, called from standard “New Button”.
But i need hide the register update button (in the beginning of the row) image
I’m not remember how make this!
You can help me?

sc_apl_conf (“grid_InformesCasosAcompanantes”, “lig_edit”, “off”); in ScriptInit