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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Enable / Disable field...
Microsoft Dynamics AX (Archived)

Enable / Disable fields in a Form

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Posted on by D365 beginner 634

Hi Guys, 

I have created a form where i need to enable / Disable some fields based on some conditions. Can someone clarify the below.?

I have two fields in a table called TestTable

Field A( Checkbox  No/Yes), Field B (String). field B should be active for editing only if the Field A is selected

I set is as shown below,  In the Form i added a SetfieldAccess method 

public void setFieldAccess()
{

TestTable.object(fieldNum(TestTable, FieldB)).allowEdit(False);

if(TestTable.FieldA == NoYes:: Yes)

{

TestTable.object(fieldNum(TestTable, FieldB)).allowEdit(True);

}

TestTable_ds.refresh();

}

and in the active method of the data source 

public int active()
{
int ret;

element.setFieldAccess();

return ret;
}

1. My problem here is whenever I selected the checkbox I need to either refresh the form or click on the field B or anywhere in the form to enable the field B active. its not refreshing automatically. how can I do that ? 

2. Is above the proper way to set fields enable or disable in a form ?

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I have the same question (0)
  • Suggested answer
    nmaenpaa Profile Picture
    nmaenpaa 101,160 Moderator on at

    If you want to hide/show fields based on data you need to call your logic from two places:

    - Modified method / event of the field that should trigger the change.

    - Active method of the data source where the trigger field exists.

  • D365 beginner Profile Picture
    D365 beginner 634 on at

    Thanks for the quick response Mr. Nikolaos,

    can you show me a sample code for the above in that case. I have added another validations also in the same form and that's why I need to know the proper way to do it without affecting other modifications.

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

    The following example is not an example of how your final solution should look like. It's just intended to demonstrate how you can react on the field value after the user has changed it, and when the active record of the data source changes.

    Let's assume that if user inputs "foo" in Table1.Field1, you want to hide Control1. And if there is any other value than "foo", Control1 will be enabled.

    1) Set Autodeclaration for Control1 to Yes

    2) This is how modified method for Field1 of your Table1 data source should look like:

    public void modified()
{
    super();
    if (this.getValue() == 'foo')
    {
        Control1.visible(false);
    }
    else
    {
        Control1.visible(true);
    }
}

    3) This is how active method of Table1 data source should look like:

    public int active()
{
    int ret;

    ret = super();

    Control1.visible(Table1.Field1 == 'foo' ? false : true);

    return ret;
}

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