"This is not the way government should function," said Mr. Brodsky, a Westchester Democrat and likely candidate for attorney general next year.
Some Westchester Democrats circulated a letter attacking the governor.
The convention was a beehive of prominent Westchester Democrats.
Last year, for example, Westchester Democrats picked up a congressional seat from the Republicans and won four of five countywide judgeships.
Westchester Democrats said they would try to amend the budget bill to get more high-tax aid to their districts.
Mrs. Pirro's victory came as Westchester Democrats posted some key successes.
School officials and Westchester Democrats said they would try to undo the high-tax-aid formula.
The bill's sponsor was Sandra Galef, another Westchester Democrat.
After heavy lobbying from Westchester Democrats, the Governor reversed his position, officials said.
There is also the tendency of many Westchester Democrats to split their votes.