我有两张桌子:
现在我想收到结果:
如何使用Linq做到这一点?
好的我有更多的解释,这是我的任务:两者之间必须存在关系,以便同时从两个表中收集信息以创建预先填充的PDF。我必须使用Linq和MVC 4.5
我认为这会很容易,但圣诞节后我会有一些心智盲点。
这就是我想要实现的目标:
var last24h = DateTime.Now.AddHours(-24);
var resultL = db.Loans.Where(p => p.CreatedDate >= last24h).Select( p=> new PDFList() {
Id = p.Id,
Amount = p.Amount,
Term = p.Term,
Purpose = p.Purpose,
FirstName = p.FirstName,
LastName = p.LastName,
Address = p.Address,
Email = p.Email,
PropertyValue = 0,
CreatedDate = p.CreatedDate,
Seen = p.Seen,
AdvisorId = p.AdvisorId
});
var resultM = db.Mortgages.Where(p => p.CreatedDate >= last24h).Select(p => new PDFList()
{
Id = p.Id,
Amount = p.Amount,
Term = p.Term,
Purpose = "",
FirstName = p.FirstName,
LastName = p.LastName,
Address = p.Address,
Email = p.Email,
PropertyValue = p.PropertyValue,
CreatedDate = p.CreatedDate,
Seen = p.Seen,
AdvisorId = p.AdvisorId
});
var resultLM = resultL.Concat(resultM).OrderByDescending(p=>p.CreatedDate).ToList();
答案 0 :(得分:1)
您可以按照下面提到的类型内连接为您的表。尝试。
这是Linq内部联接的示例
public void Linq102()
{
string[] categories = new string[]{
"Beverages",
"Condiments",
"Vegetables",
"Dairy Products",
"Seafood" };
List<Product> products = GetProductList();
var q =
from c in categories
join p in products on c equals p.Category
select new { Category = c, p.ProductName };
foreach (var v in q)
{
Console.WriteLine(v.ProductName + ": " + v.Category);
}
}
您可以获得更多详细信息LINQ - Join Operators Here
我希望这会对你有所帮助。