[英]entity framework join tables c#
void load_data()
{
DatabaseContext context = new DatabaseContext();
var query = context.books.Include("category").Select(p => new
{
p.id,
p.namebook,
p.Price,
p.picture,
p.categoiryid,
title= p.category.title,
}).OrderByDescending(p => p.id).Take(8).ToList();
ListView1.DataSource = query;
ListView1.DataBind();
} }
<div class="text py-3 pb-4 px-3 text-center"> <h3><a href="#"><%# Eval("namebook")%></a></h3> <h3><a href="#"> ژانرکتاب:<%# Eval("title")%>0</a></h3> <div class="d-flex"> <div class="pricing"> <p class="price"><span><%# Eval("price")%> تومان</span></p> </div>
表之间的关系可能没有正确配置。 试试这个语法
var query = (from p in context.Set<Book>()
join c in context.Set<Category>()
on p.categoryId equals c.id
select new {
p.id,
p.namebook,
p.Price,
p.picture,
p.categoiryid,
c.titel,
}).OrderByDescending(p => p.id).Take(8).ToList();
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