Dynamic Lists

dynamic_list

protected void _(Events.RowSelected<XXMyDAC> e)
{
    XXMyDAC row = x.Row;
    
    if(*condition*) // Substitute your conditional logic here
    {
        SelectableValues2 listattr = new SelectableValues2();
        PXStringListAttribute.SetList<XXMyDAC.myField>
            (e.Cache, row, listattr.AllowedValues, listattr.AllowedLabels);
    }
}

public class SelectableValues : PXStringListAttribute
{
    public class ListAttribute : PXStringListAttribute
    {
        public ListAttribute() : base(
            new[]
            {
            Pair(MyValue1, Messages.MyLabel1),
            Pair(MyValue2, Messages.MyLabel2),
            Pair(MyValue3, Messages.MyLabel3),
            })
        { }
    }
}

public class SelectableValues1 : PXStringListAttribute
{
    public string[] AllowedLabels = new string[]
    {
            Messages.MyLabel1,
            Messages.MyLabel2
    };

    public string[] AllowedValues = new string[]
    {
            MyValue1,
            MyValue2
    };
}

public class SelectableValues2 : PXStringListAttribute
{
    public string[] AllowedLabels = new string[]
    {
            Messages.MyLabel1,
            Messages.MyLabel3
    };

    public string[] AllowedValues = new string[]
    {
            MyValue1,
            MyValue3
    };
}