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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / How to check if the da...
Microsoft Dynamics AX (Archived)

How to check if the data is already exist in the table and if the data is already exist do not update the table field with new data.

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Posted on by Siddhant Singh 518

Hello everyone,

How to check if the data is already exist in the table and if the data is already exist do not update the table field with new data.

that is Update the table record if the similar data is not there in the table field.

Thank You

Siddhant

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  • Verified answer
    nmaenpaa Profile Picture
    nmaenpaa 101,160 Moderator on at

    Seems you posted almost the same question two times.

    About the first part of your question: ("How to check if the data is already exist in the table"), please see my answer here: [View:https://community.dynamics.com/ax/f/microsoft-dynamics-ax-forum/360652/want-to-create-a-validation-if-a-record-is-already-exist-in-a-table/949095#949095:750:50]

    About your second question, you need to handle it in code, something like this. We assume thatyou have a table called MyTable, with fields Field1, Field2 and Field3. The first two fields determine the unique index of the table. If a record already exist with matchin FIeld1 and Field2 values, you want to update the record. Otherwise you want to insert a new record.

    You also need to implement "find" method in your table, which is a best practice for all new tables (just like the "exits" method that I mentioned in my other answer). 

    MyTable myTable = MyTable::find(value1, value2);
    if (myTable)
    {
        myTable.selectForUpdate(true);
        myTable.Field3 = value3;
        myTable.update();
    }
    else
    {
        myTable.clear();
        myTable.Field1 = value1;
        myTable.Field2 = value2;
        myTable.Field3 = value3;
        myTable.insert();
    }
  • Suggested answer
    Deepak Agarwal Profile Picture
    Deepak Agarwal 8,602 on at

    Hi Siddhant,

    I believe you posted same question twice, here is another link

    [View:https://community.dynamics.com/ax/f/microsoft-dynamics-ax-forum/360652/want-to-create-a-validation-if-a-record-is-already-exist-in-a-table:750:50]

    Now regarding your issue, if you want to prevent duplicate records than you need to create a index and set the property AllowDuplicates:No. You can add one or more fields in that index to achieve this requirement. See example of Custgroup table.

    pastedimage1563450580246v2.png

    Let me know if that helps.

    Thanks

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