protected override PageContent getContent() =>
new UiPageContent(isAutoDataUpdater: true).Add(
new CheckboxList <int>(
CheckboxListSetup.Create(
from i in Enumerable.Range(1, 20) select SelectListItem.Create(i, "Item " + i),
includeSelectAndDeselectAllButtons: true,
minColumnWidth: 20.ToEm()),
new[] { 3, 9, 19 }).ToFormItem()
.ToComponentCollection());
protected override void loadData()
{
ph.AddControlsReturnThis(
new CheckboxList <int>(
CheckboxListSetup.Create(
from i in Enumerable.Range(1, 20) select SelectListItem.Create(i, "Item " + i),
includeSelectAndDeselectAllButtons: true,
minColumnWidth: 20.ToEm()),
new[] { 3, 9, 19 }).ToFormItem()
.ToComponentCollection()
.GetControls());
}