protected override void OnDataBinding(EventArgs e)
{
base.OnDataBinding(e);
if ((Items.Count == 0) && (NoneTemplate != null))
{
this.Controls.Clear();
//执行空数据源模板
RepeaterItem noneItem = new RepeaterItem(-1, ListItemType.Item);
RepeaterItemEventArgs noneArgs = new RepeaterItemEventArgs(noneItem);
NoneTemplate.InstantiateIn(noneItem);
this.OnItemCreated(noneArgs);
this.Controls.Add(noneItem);
OnNoneItemsDataBound(noneArgs);
this.ChildControlsCreated = true;
}
}
/// <exclude/>
protected override void OnDataBinding(EventArgs e)
{
base.OnDataBinding(e);
if ((Items.Count == 0) && (NoneTemplate != null))
{
this.Controls.Clear();
if (ShowHeaderFooterOnNone && (this.HeaderTemplate != null))
{
RepeaterItem headerItem = this.CreateItem(-1, ListItemType.Header);
RepeaterItemEventArgs headerArgs = new RepeaterItemEventArgs(headerItem);
this.InitializeItem(headerItem);
this.OnItemCreated(headerArgs);
this.Controls.Add(headerItem);
headerItem.DataBind();
this.OnItemDataBound(headerArgs);
}
// Process the NoneTemplate
RepeaterItem noneItem = new RepeaterItem(-1, ListItemType.Item);
RepeaterItemEventArgs noneArgs = new RepeaterItemEventArgs(noneItem);
NoneTemplate.InstantiateIn(noneItem);
this.OnItemCreated(noneArgs);
this.Controls.Add(noneItem);
OnNoneItemsDataBound(noneArgs);
if (ShowHeaderFooterOnNone && (this.FooterTemplate != null))
{
RepeaterItem footerItem = this.CreateItem(-1, ListItemType.Footer);
RepeaterItemEventArgs footerArgs = new RepeaterItemEventArgs(footerItem);
this.InitializeItem(footerItem);
this.OnItemCreated(footerArgs);
this.Controls.Add(footerItem);
footerItem.DataBind();
this.OnItemDataBound(footerArgs);
}
this.ChildControlsCreated = true;
}
}
