DynamicLinq | Adds extensions to Linq to offer dynamic queryables | Database library
kandi X-RAY | DynamicLinq Summary
kandi X-RAY | DynamicLinq Summary
Adds extensions to Linq to offer dynamic queryables.
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DynamicLinq Examples and Code Snippets
Lines of Code : 34License : Permissive (MIT)
Copy[HttpGet][Route("FindClients")]
public IHttpActionResult FindClients(string filterField = null, string filterValue = null,
string sortProperty = "Id", int? page = null, int pageSize = 50)
{
var ctx = new MyDbContext();
var query = ctx.Client TestData.Sales
.AsQueryable()
.GroupBy(t => t.Path("ClientId"))
.Select(t =>
{
t.Key("TheClientId", "ClientId");
t.Count("Count");
t.LongCount("LongCount");
t.Sum("NetSales");
t.Average("Tax", "TaxAverage");
t. // subject.
var posts = new List()
{
new Post { Id = 1, AuthorId = 1, Title = "Hello 1", Content = "World" },
new Post { Id = 2, AuthorId = 1, Title = "Hello 2", Content = "World" },
new Post { Id = 3, AuthorId = 2, Title = "Hello 3", Con Community Discussions
Trending Discussions on DynamicLinq
QUESTION
ASP .NET 5 MVC Core application.
Following method is used to find entity by key:
...ANSWER
Answered 2021-Jan-24 at 23:00The EFCore Find method throws exception because the TEntity is not an entity type but a type deriving from the entity type. So to solve this, we need to first get the most derived type which is the ancestor type of the passed in TEntity type, so when passing in MyStudents you need to get type Students first to use as type argument for Find<> method. Because that type is not known at design time, so we need to use reflection to invoke that Find<> method or better use the other overload of Find that accepts the first argument of entity type (Type). Of course I understand that your Find<> method in your question is from DbContext.Find.
So the solution can be simple like this, firstly we need method to get the most derived entity type from the passed in type (which inherits from the entity type):
QUESTION
I have the following expression :
...ANSWER
Answered 2020-Mar-15 at 16:04Using the library System.Linq.Async, and assuming that the Rule class contains the methods public Task IsMatchAsync(string arg) and public Task ExecuteAsync(string arg):
QUESTION
I am pretty certain my lack of understanding is preventing me form getting it to work.
I currently have a form that will post filtering parameters back to the controller, then it will build up the query. The current queries I build does not seam to actually do anything. At least not when it is separated like this.
From what I have read, something like this should work, but from what I have tested, it does not.
...ANSWER
Answered 2020-Jan-31 at 09:55Also, set breakpoint and inspect what is inside request. Moreover, you filter data based on request fields, but in each loop iteration you are filtering result more and more, so you have to consider this carefully.
Also, when redirecting to Index, you don't pass any data and I think you should pass result of a query there, so you can use it and show it there. So I'd take look at overloads of RedirectToAction such as RedirectToAction(String, Object). Alternatively, you can take a look at View method with similair capabilities as RedirectToAction.
Having said that, you shuld pass RESULTS of a query, so you need to get the result of a query, for example, by calling ToList method.
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