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[英]How can I display a matrix table in asp.net mvc3 with not set many to many?
[英]How can I display a matrix table in asp.net mvc3?
我正在進行一個涉及使用實體框架和asp.net mvc3在矩陣視圖中顯示多對多關系數據庫的小項目。 涉及的三個表是SalesPerson(行標簽),產品(列標簽)和銷售:
如何在asp.net mvc3中開發/生成這種視圖?
<table>
<tr>
<th></th>
@foreach (var m in Model)
{
foreach (var p in m.Products)
{
<th>@p.ProductName</th>
}
}
</tr>
@foreach (var m in Model)
{
foreach (var s in m.SalesPersons)
{
<tr>
<td>@s.PersonName</td>
</tr>
}
}
@*Sales: a.Amount*@
</table>
使用類似於此的LINQ查詢轉換數據
var salesTable =
from s in m.Sales
group s by s.SalesPerson.Label into g
select new
{
rowKey = g.Key,
rowData = g.Select(s => new { Product = s.Product, Amount = s.Amount }).OrderBy(s => s.Product.Label)
};
然后,生成表行很容易
@foreach (var tableRow in salesTable)
{
<tr>
<td>@tableRow.rowKey</td>
@foreach (var sale in tableRow.rowData)
{
<td>@sale.Amount</td>
}
</tr>
}
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