我正在制作一个asp.page,它将显示有关公司资产的分层信息.
为了获取数据,我使用了lambda表达式：
FASAssetInfoDataContext fasInfo = new FASAssetInfoDataContext();
var data = from g in fasInfo.Asset_Informations
where g.Department.Substring(0,3) == p
select g;
Dictionary<string,Dictionary<string,List<info>>> branch = data.GroupBy(e => e.Location)
.ToDictionary(g => g.Key,g => g.GroupBy(gl => gl.G_L_Asset_Acct_No)
.ToDictionary(gl => gl.Key,gl => gl.Select(s => new info
{
acqDate = s.Acquisition_Date,asstNo = s.Co_Asset_Number,classInfo = s.Class,description = s.Description,mfgSerialNo = s.Mfg_Serial_No,deprThisRun = s.Depr_This_Run__Int_,AcqValue = s.Acquisition_Value__Int_,currentAccDepr = s.Current_Accum_Depr__Int_,estLife = s.Est_Life__YYMM___Int_,inServiceDate = s.Placed_In_Service_Date__Int_,netBookValue = s.Current_Net_Book_Value__Int_,oldAcqValue = s.Acquisition_Value__Tax_
}).ToList()));
所以我现在有一组嵌套的字典,最后有一个信息列表.我的问题是如何在页面本身上最好地显示这些信息？我可以获得第一级,但一直在努力让嵌套的中继器正常运行.如果有更好的控制使用我都是耳朵:)
谢谢,
马尔科
解决方法
如果你确实需要使用嵌套的中继器,那么它可能,但是让它工作并不是特别明显.以下方法可行(简化为简洁)：
<asp:Repeater id="level1" OnItemDataBound="level1_ItemDataBound" ...>
<ItemTemplate>
<asp:Repeater id="level2" OnItemDataBound="level2_ItemDataBound" ...>
<ItemTemplate>
<asp:Repeater id="level3" OnItemDataBound="level3_ItemDataBound" ...>
</asp:Repeater>
</ItemTemplate>
</asp:Repeater>
</ItemTemplate>
</asp:Repeater>
代码背后：
protected void Page_Load(object sender,EventArgs e)
{
Dictionary<string,List<info>>> branch = ...;
level1.DataSource = branch;
level1.DataBind();
}
protected void level1_ItemDataBound(object sender,RepeaterItemEventArgs e)
{
Dictionary<string,List<info>> data = (Dictionary<string,List<info>>)e.Item.DataItem;
Repeater level2 = e.Item.FindControl("level2") as Repeater;
level2.DataSource = data;
level2.DataBind();
}
protected void level2_ItemDataBound(object sender,RepeaterItemEventArgs e)
{
List<info> data = (List<info>)e.Item.DataItem;
Repeater level3 = e.Item.FindControl("level3") as Repeater;
level3.DataSource = data;
level3.DataBind();
}
protected void level3_ItemDataBound(object sender,RepeaterItemEventArgs e)
{
// Bind properties from info elements in List<info> here
}
