def xhr_browse(self):
gr = Grid(self.GRID_ID)
# Need to build the colModel here to initialise the list of allowed
# fields e.g. for search.
gr.build_colmodel(self.DD, fieldlist=self.BROWSE_FIELDLIST, opts=self.COLOPTS)
# Apply request before building the queries. Otherwise
# build_browse_queries() gets an unitialised grid and sets defaults
# e.g. for order_field. The settings from the request will then not
# be applied to the queries.
gr.apply_request(self.request)
data_qry, total_qry = self._build_browse_queries(self.request, gr)
data, total = self._fetch_browse_data(data_qry, total_qry)
gr.total_rows = total
resp = gr.get_data_response(data, self.BROWSE_FIELDLIST, self.ID_FIELD)
return resp
