Tuesday, November 10, 2015

How to Read/Write Notes in Navision using C/AL


In this post I will discuss how to read the notes and how to create the notes programmatically. When you create a note where the data is saved in the Navision ? I have seen this question being asked several times in the community forum. The answer is the notes are saved in binary format in a blob field (Note) in the Record Link table (2000000068) and the way it maps to the record is using Record ID.

Read Notes:

To read notes you need to find the “Record ID” of the record using Record Reference and then use that to filter the Record Link table and then convert value in the blob field (Note) into readable text.

In the below example the ReadNotes function takes SalesHeader as parameters and displays the first note associated with it.

Write Notes:

To create note once we again need to get the “Record ID” of the record which can be retrieved using Record Reference, and we also need to convert the text into bytes to store in the “Note” Blob Field. Since the Record Link primary key Link ID is set to Auto Increment we don’t need to find the next available “Link ID”, as INSERT statement will take care of retrieving it and assigning it.

There are two helper functions below SetText and HtmlEncode, you need these functions to write notes.

PROCEDURE ReadNotes@1240060000(SalesHeader@1240060003 : Record 36);
      RecordLink@1240060000 : Record 2000000068;
      NoteText@1240060001 : BigText;
      Stream@1240060002 : InStream;
      RecRef@1240060004 : RecordRef;
      RecordLink.SETRANGE("Record ID",RecRef.RECORDID);
          IF RecordLink.Note.HASVALUE THEN BEGIN
            NoteText.GETSUBTEXT(NoteText, 2);
       UNTIL RecordLink.NEXT = 0;

    PROCEDURE WriteNote@1240060001();
      LinkID@1240060000 : Integer;
      Customer@1240060001 : Record 18;
      RecRef@1240060002 : RecordRef;
      RecordLink@1240060003 : Record 2000000068;
      RecordLink."Link ID" := 0;
      RecordLink."Record ID" := RecRef.RECORDID;
      RecordLink.URL1 := GETURL(CLIENTTYPE::Current, COMPANYNAME, OBJECTTYPE::Page, PAGE::"Customer Card");
      RecordLink.Type := RecordLink.Type::Note;
      RecordLink.Created := CURRENTDATETIME;
      RecordLink."User ID":=USERID;
      RecordLink.Notify := TRUE;
      SetText('Test Note For the Customer 10000',RecordLink);

    LOCAL PROCEDURE SetText@4(NoteText@1001 : Text;VAR RecordLink@1000 : Record 2000000068);
      SystemUTF8Encoder@1011 : DotNet "'mscorlib, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'.System.Text.UTF8Encoding";
      SystemByteArray@1010 : DotNet "'mscorlib, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'.System.Array";
      OStr@1008 : OutStream;
      s@1007 : Text;
      lf@1006 : Text;
      c1@1005 : Char;
      c2@1004 : Char;
      x@1003 : Integer;
      y@1002 : Integer;
      i@1009 : Integer;
      s := NoteText;
      SystemUTF8Encoder := SystemUTF8Encoder.UTF8Encoding;
      SystemByteArray := SystemUTF8Encoder.GetBytes(s);

      x := SystemByteArray.Length DIV 128;
      IF x > 1 THEN
        y := SystemByteArray.Length - 128 * (x - 1)
        y := SystemByteArray.Length;
      c1 := y;
      IF x > 0 THEN BEGIN
        c2 := x;
      FOR i := 0 TO SystemByteArray.Length - 1 DO BEGIN
        c1 := SystemByteArray.GetValue(i);

    LOCAL PROCEDURE HtmlEncode@20(InText@1000 : Text[1024]) : Text[1024];
      SystemWebHttpUtility@1001 : DotNet "'System.Web, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.System.Web.HttpUtility";
      SystemWebHttpUtility := SystemWebHttpUtility.HttpUtility;

The two above functions SetText and HtmlEncode are copied from the standard Navision Codeunit (454 Job Queue - Send Notification)

Download the object from this link Notes Management

Please leave your comments, feedback or any suggestions you have for me to improve my blog and also if you have any questions, feel free to post.



Unknown said...

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Unknown said...

Thank you, this one really helped me :)!

Unknown said...

Great Post Suresh and just what I was looking for. Much Appreciated!


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Hung H. said...

Thank you Kulla!

aszabo said...

Hello. i have a little problem with it.
the user who have to get the message is get it, but he can't open the page with double click on the notificaton. Can you tell me how can i call the sesond procedure when i'm trying to send a notes?

Suresh Kulla said...


Can you please explain me in detail, what is the second procedure you are referring to ?


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Thank you for your great post!


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Unknown said...

Came to this late, but very glad it is still here. Works like a charm.

Only one question-it seems HtmlEncode is never called?

Thanks so much!

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