多線程處理sql server2008出現Transaction (Process ID) was deadlocked on lock resources with another process and has been chose問題

多線程處理sql server2008某個表中的數據時，在Update記錄的時候出現了【Transaction (Process ID 146) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction】顯示的錯誤是因為處理的表沒有設置主鍵，而更新時是根據主鍵進行更新的。