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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / What is difference bet...
Small and medium business | Business Central, N...
Suggested Answer

What is difference between setautocalcfields & calcfields in business central?

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Posted on by Nilam Bhor 153
Hi Guys,
 
What is difference between setautocalcfields & calcfields in business central? 
and when we can used setautocalcfields or calcfields?
 
Categories:
Dynamics 365 Business Central
I have the same question (0)
  • Suggested answer
    Tech-Lucky Profile Picture
    Tech-Lucky 1,271 Moderator on at

    in the case of CALCFIELDS, each FlowField results in a separate query that is not good for performance if you are using this inside the loop.

    The SETAUTOCALCFIELDS is one of the improvements in NAV / BC you should make use of. Any REPEAT … UNTIL loop that contains CALCFIELDS within the loop can benefit from this function. Just set a SETAUTOCALCFIELDS before the FINDSET and all FlowFields you have defined will be calculated with one SELECT command.

    How does that work? Very simple: the SETAUTOCALCFIELDS automatically updates the SELECT query with JOINS for each FlowField. So one query with all your FlowFields calculated.

    the conclusion is SETAUTOCALCFIELDS improves system performance.

    Please verify my answer if this was helpful.

  • Suggested answer
    Teddy Herryanto (That NAV Guy) Profile Picture
    Teddy Herryanto (Th... 14,300 Super User 2026 Season 1 on at
    SetAutoCalcFields is basically CalcFields on looping.
    You use SetAutoCalcFields before looping to increase the performance of your code, so the server knows that it needs to retrieve the value while calling the records.
     
    // Using CALCFIELDS
    IF Customer.FINDSET THEN
    REPEAT
      Customer.CALCFIELDS(Balance,"Net Change");
      … // Do some additional processing.
    UNTIL Customer.NEXT = 0;

    // Using SETAUTOCALCFIELDS for performance
    Customer.SETAUTOCALCFIELDS(Balance,"Net Change");
    IF Customer.FINDSET THEN
    REPEAT  
      … //Do some additional processing.
    UNTIL Customer.NEXT = 0;
  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 98,358 Super User 2026 Season 1 on at

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