DynamicForm with binary field: add/update RPC associated with child form instead of main form

[claudiobosticco]

SmartClient Version: v13.1p_2026-02-03/AllModules Development Only (built 2026-02-03)

Hi, I’m noticing some behavior that doesn’t seem completely correct when using a DynamicForm with a binary field.

I modified the “upload” showcase example as follows:

<DataSource ID="mediaLibrary" serverType="sql" tableName="mediaLibrary">
    <fields>
        <field name="pk" type="sequence" hidden="true" primaryKey="true"/>
        <field name="title"/>
        <field name="image" type="binary" maxFileSize="5242880" />
    </fields>
</DataSource>

isc.DynamicForm.create({
    autoDraw: false,
    ID: "uploadForm",
    width: 300,
    dataSource: mediaLibrary,
    fields: [
        { name: "title", required: true },
        { name: "image", title: "File", multiple:false, hint: "Maximum file size is 5 MiB", canEdit: true },
        { title: "Save", type: "button",
            click: function (form, item) {
                form.saveData("if(dsResponse.status>=0) uploadForm.editNewRecord()");
            }
        }
    ]
});


isc.ListGrid.create({
    autoDraw: false,
    ID: "mediaListGrid",
    width: 500,
    height: 224,
    dataSource: mediaLibrary,
    autoFetchData: true,
    recordClick:"uploadForm.editRecord(record)"
});

isc.HStack.create({
    width:"100%",
    membersMargin: 10,
    members:[uploadForm, mediaListGrid]
});

Whether I save a new record (with or without a file), or click a record in the grid and then modify the title or select a different file, when I click “Save” I see the related add/update requests in the RPC tab of the Developer Console associated with componentId isc_DynamicForm_0, which is the child of uploadForm.

If instead the FileItem is read-only (in this case I obviously have to remove maxFileSize from the DataSource), then I see the add/update requests associated with uploadForm itself.

Aside from the confusion this causes when inspecting the Developer Console, I’m wondering whether this could be a bug and whether it might lead to any unexpected or incorrect behavior.