System.Linq.Dynamic.Core

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Nested parameters

2

Given the following hierarchy: ```csharp public class Person { public string Name {get; set;} public Post[] Posts {get;set;} } public class Post { public string Text {get;set;} public string[] Tags...

zspitz

Question: ContainsKey is not a standard LINQ operator

3

The list of [LINQ standard operators supported by Dynamic LINQ](https://dynamic-linq.net/expression-language#sequence-operators) includes `.ContainsKey`. [This list of LINQ operators](https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/concepts/linq/classification-of-standard-query-operators-by-manner-of-execution) doesn't include `ContainsKey`. Since `ContainsKey` is (for all the cases I've seen) an...

zspitz

In the example below, the method has no problem using the Test method even if I want to call DateDiffYear in the expression. ```csharp using Microsoft.EntityFrameworkCore; using System; using System.Collections.Generic;...

mata007

How can I include unaccent pgsql function in Dynamic Linq queries?

4

I need to make a query like this: habitantes = _context.HABITANTES.Where(h => _context.Unaccent(h.Apellido1) == _context.Unaccent("GARCÍA")); But I don't know how to put the Unaccent postgress function in mi where string;...

rdeharo

Cannot compare 'Object' type

6

Hi, does it support for 'object' data type? ``` c# public class Index { public long Position { get; set; } public object[] Values { get; set; } } var...

justinushermawan

Can't parse Select Linq with index parameter => Func<TSource, int, TResult>

6

Hello @StefH , I can't seem to get this one to parse. Could you help? ``` c# var TestExpression = "Input.Lista.Where(x => x.Name != \"\").Select((item, index) => (item.Name.ToString(), index))"; ParameterExpression...

David-Moreira

Exception while parsing expression ')' or ',' expected

12

--Exception while parsing expression `(RuleContextInputTag.ProductOrder.ProductOrderItem.Any(ProductOrderItem=>ProductOrderItem.ProductOffering.Name=="Testing Value"&&ProductOrderItem._ProductOrderItem.Any(_ProductOrderItem=>_ProductOrderItem.ProductOffering.Name=="Testing Value")))` - ')' or ',' expected Hello guys. This error is driving me insane, I can't seem to figure out what is wrong about...

David-Moreira

Cannot cast 'object' type to 'Tuple<T1, T2, T3>'

1

I'm trying to run a dynamic query with a model as below: ``` c# public class Index { public long Position { get; set; } public object[] Values { get;...

justinushermawan

Project data to a dictionary property

13

Hi, In EF core, we can have Indexed properties, which are properties mapped from a dictionary to the SQL table, one column per property. I need to batch update an...

YeskaNova

Does it support var query = dbContext.Set("Customers"),please?

3

Does it support var query = dbContext.Set("Customers"),please? I hope that: var query = **dbContext.Set("Customers")** .Where("City == @0 and Orders.Count >= @1", "London", 10) .OrderBy("CompanyName") .Select("new(CompanyName as Name, Phone)");

effapp