Netanyahu, who has also criticised the Palestinian boycott, has spoken in recent months of annexing parts of the West Bank, a move that could effectively close hopes of a two-state solution.
"The workshop was meant to address the economic problems, but the real problem is the political one,"Palestinian Authority President Mahmoud Abbas said Sunday".
Led by Mr Trump's son-in-law and adviser Jared Kushner, the "Peace to Prosperity" framework dangles the prospect of US$50 billion (S$68 billion) of investment in the Palestinian territories and neighbouring Arab countries over 10 years.
Hamas spokesman Hazem Qassem told the agency that Palestinians "will not sell out their rights for all treasures on earth".
"Such inciting campaigns aim at making the people and leadership of Palestine accept the dictations, threats and tyranny of both the U.S. and Israel - and they are doomed to fail", the veteran Palestinian negotiator said in a statement.
Writing on Twitter, Greenblatt said: "The Kingdom of Saudi Arabia confirms that His Excellency Minister of Economy and Planning Mohammed Al-Tuwaijri will participate in the "Peace to Prosperity" workshop organized by the Kingdom of Bahrain in partnership with the US".
"Surrender is the recognition that in a contest, staying the course will prove costlier than submission", he said.
Ahead of a Ramallah cabinet meeting on Monday, Palestinian Prime Minister Mohammad Shtayyeh told journalists "this workshop is simply a political laundry for settlements and a legitimization of occupation". He said the economic plan was contingent on a peace deal guaranteeing open borders, security and rule of law. Among 179 proposed infrastructure and business projects is a $5 billion transport corridor to connect the West Bank and Gaza.
Palestinian leaders continue to promulgate the notion that the workshop is some devious machination of the West or President Trump or both, despite many Palestinian-Arab neighbors agreeing to attend and host.
Chelsea granted permission to speak to Frank Lampard
The England U20 global returned for his long term loan from Aston Villa after help them return to Premier League action. Chelsea will officially announce the appointment of a 40-year-old specialist after finishing talks with Derby County.
The Bahrain summit Tuesday was originally slated to feature Israeli officials alongside Arab ones, but in the end only Israeli business people were invited, underlining skittishness in many capitals across the Middle East of being seen working hand in hand with Israel.
Most European allies of the United States, uneasy about Trump's direction, are staying away from Bahrain.
Neither Israel nor the Palestinians will have official representation at the two-day summit.
Quartet of mediators - the United States, the European Union, the United Nations and Russian Federation - presents a roadmap to a permanent two-state solution to the conflict.
"To be clear, economic growth and prosperity for the Palestinian people are not possible without an enduring and fair political solution to the conflict. one that guarantees Israel's security and respects the dignity of the Palestinian people", Kushner said.
Gulf Arab rulers have increasingly found common cause with Israel due to their shared hostility to Iran, reinforced by rising friction between Teheran and Washington.
Israel is aiming to establish relationships with other Arab nations first and then ignore Palestine, but that is not going to happen, Abbas added. Few senior regional figures are expected at the workshop, although the head of the International Monetary Fund will attend.
The Palestinian Authority is facing growing financial strains as it refuses to accept tax revenue collected on its behalf by Israel because the latter is deducting millions of dollars that went to prisoners in Israeli jails or their families.
A main architect of the proposed "ultimate deal" to solve the Israeli-Palestinian conflict mounted a vigorous defence of the United States plan on Monday, saying the Palestinian leadership is making a strategic error by not attending an upcoming meeting in Bahrain on a new economic framework he said was crucial to peace.