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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / How to use mathematica...
Microsoft Dynamics AX (Archived)

How to use mathematical formula in x++

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Posted on by Surjit Kumar 135

Hi All,

I am new to AX.

I have to use addition, subtraction, multiplication etc. in a table using x++

For ex. I have to add two records and display in the third column in a table using x++ can anybody assist me with your ideas.

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  • Verified answer
    Mea_ Profile Picture
    Mea_ 60,284 on at
    RE: How to use mathematical formula in x++

    Hi Surjit Kumar,

    Please check this msdn article msdn.microsoft.com/.../aa870833.aspx it has list of all arithmetic operators in AX with examples.

    If you have a table "myTable" that has 3 fields: field1, field2 and field3 and you want to put sum of field1 and field2 to field3 you can write next code:

    myTable.field3  = myTable.field1 + myTable.field2;

  • Suggested answer
    Vilmos Kintera Profile Picture
    Vilmos Kintera 46,149 on at
    RE: How to use mathematical formula in x++

    If you want to use more complex formulas, AX does support .Net reflection.

    You can call them through the System.Math namespace in AX.

    msdn.microsoft.com/.../system.math(v=vs.110).aspx

  • Surjit Kumar Profile Picture
    Surjit Kumar 135 on at
    RE: How to use mathematical formula in x++

    Hi ievgen Miroshnikov,

    Do i need to write myTable.field3  = myTable.field1 + myTable.field2;

    in any override method.

  • Suggested answer
    Vilmos Kintera Profile Picture
    Vilmos Kintera 46,149 on at
    RE: How to use mathematical formula in x++

    You can write that wherever you want. New method, overridden method, wherever the code has to be able to serve it's purpose.

  • Surjit Kumar Profile Picture
    Surjit Kumar 135 on at
    RE: How to use mathematical formula in x++

    myTable.field3  = myTable.field1 + myTable.field2;

    when i write like this my 3rd field is not showing any value.

    only i can enter the values.Its not adding the 1st two field values and showing in 3rd field.

  • Surjit Kumar Profile Picture
    Surjit Kumar 135 on at
    RE: How to use mathematical formula in x++

    public void modifiedField(FieldId _fieldId)

    {

       MathTab mt;

       mt.C = mt.A + mt.B;

       super(_fieldId);

    }

    i wrote in modified field like above is it correct.

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