/// <summary>
/// 获取左侧导航数据源
/// </summary>
/// <returns></returns>
List <Navigator> GenerateLeftNavSource(string navId)
{
Expression <Func <Navigator, bool> > predicate = n => n.Enabled && n.ParentID == navId;
Expression <Func <Navigator, int> > orderCondition = n => n.OrderNum;
return(NavigatorGeneration.GenerateNavSource(predicate, orderCondition));
}
/// <summary>
/// 绑定导航栏
/// </summary>
void BindNavigator()
{
Expression <Func <Navigator, bool> > predicate = n => n.Enabled && n.ParentID == ConstValue.EMPTY_GUID_STR;
Expression <Func <Navigator, int> > orderCondition = n => n.OrderNum;
var source = NavigatorGeneration.GenerateNavSource(predicate, orderCondition);
if (source != null && source.Count > 0)
{
rptNavigator.DataSource = source;
rptNavigator.DataBind();
}
}
/// <summary>
/// 获取并绑定数据源
/// </summary>
private void GetAndBind()
{
var parentNavId = Request.Params["CurNavId"];
if (!string.IsNullOrEmpty(parentNavId))
{
Expression <Func <Navigator, bool> > predicate = n => n.Enabled && n.ParentID == parentNavId;
Expression <Func <Navigator, int> > orderCondition = n => n.OrderNum;
var source = NavigatorGeneration.GenerateNavSource(predicate, orderCondition);
rptContent.DataSource = source;
rptContent.DataBind();
}
}
protected void rptNavigator_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
//查找内嵌的Repeater
var rptCategory = e.Item.FindControl("rptChildNav") as Repeater;
var nav = e.Item.DataItem as Navigator;
Expression <Func <Navigator, bool> > predicate = n => n.Enabled && n.ParentID == nav.ID;
Expression <Func <Navigator, int> > orderCondition = n => n.OrderNum;
var categories = NavigatorGeneration.GenerateNavSource(predicate, orderCondition);
rptCategory.DataSource = categories;
rptCategory.DataBind();
}
}