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Questions tagged linq

654 questions · page 1 of 14

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52
votes
4
answers

Can I declare / use some variable in LINQ? Or can I write following LINQ clearer?

c# linq
asked 2013-08-05T11:32:14.323
9
votes
1
answers

Unable to create a constant value of type 'Anonymous type'. Only primitive types or enumeration types are supported in this context

c# .net linq entity-framework linq-to-sql
asked 2013-08-02T09:49:21.557
10
votes
3
answers

How do I translate a query that uses ROW_NUMBER() into linq?

c# linq
asked 2013-07-22T13:05:50.230
10
votes
4
answers

Linq SUM on objects which have operator+?

c# .net linq oop sum
asked 2013-07-18T07:59:59.730
14
votes
2
answers

Dynamic linq order by on nested property with null properties

c# linq linq-expressions
asked 2013-07-15T05:56:52.447
10
votes
2
answers

Enumeration yielded no result?

linq entity-framework-4
asked 2013-07-12T15:16:00.603
25
votes
6
answers

Processing a C# Dictionary using LINQ

c# linq
asked 2013-07-05T13:45:15.190
9
votes
4
answers

How to do a Sum using Dynamic LINQ

c# linq
asked 2013-07-05T13:28:14.313
15
votes
3
answers

Linq - How to select items from a list that contains only items of another list?

c# linq entity-framework
asked 2013-06-25T12:53:57.530
9
votes
2
answers

Linq to SQL, InsertOnSubmit vs. InsertAllOnSubmit performance?

c# sql linq linq-to-sql
asked 2013-06-20T09:19:16.653
12
votes
1
answers

Entity Framework AsNoTracking breaks call to Distinct

c# linq entity-framework entity-framework-5
asked 2013-06-13T21:49:21.437
38
votes
6
answers

How to remove duplicates from collection using IEqualityComparer, LinQ Distinct

c# linq list
asked 2013-06-07T11:59:09.893
12
votes
1
answers

C# Replace all elements of List<string> with the same pattern with LINQ

c# linq list generics lambda
asked 2013-06-04T11:37:43.417
20
votes
5
answers

Using Linq Except not Working as I Thought

c# .net linq list except
asked 2013-05-29T22:10:07.990
8
votes
3
answers

How to sort List<Point>

c# .net linq list
asked 2013-05-21T22:49:33.963
14
votes
2
answers

Implementing IEqualityComparer<T> on an object with two properties in C#

c# linq distinct iequalitycomparer
asked 2013-05-21T10:24:12.143
10
votes
3
answers

LINQ to remove certain elements from a IList<T> based on a IList<int>

c# linq ilist
asked 2013-05-17T09:58:20.133
187
votes
3
answers

Linq: GroupBy, Sum and Count

c# .net linq
asked 2013-05-13T12:57:33.990
8
votes
5
answers

How to check if all the elements in an array are positive integers?

c# linq
asked 2013-05-09T05:40:43.313
25
votes
2
answers

How to get value of child node from XDocument

c# xml linq
asked 2013-04-25T17:58:50.120
25
votes
4
answers

Array.Count() much slower than List.Count()

c# .net performance linq ienumerable
asked 2013-04-25T07:37:27.650
46
votes
8
answers

Checking for duplicates in a List of Objects C#

linq
asked 2013-04-24T16:26:19.710
11
votes
1
answers

LINQ to Entities does not recognize the method 'System.String get_Item(System.String)' method

linq iqueryable entities
asked 2013-04-15T15:55:39.120
24
votes
3
answers

Creating a LINQ Expression where parameter equals object

c# linq entity-framework-5
asked 2013-04-12T17:58:37.377
8
votes
4
answers

Best way to check if value exists for a key in ILookup<string, string> using linq

c# linq c#-4.0 linq-to-entities
asked 2013-04-11T19:25:24.547
14
votes
1
answers

Is there some sort of syntax error with this LINQ JOIN?

c# linq entity-framework join
asked 2013-04-08T21:38:14.203
18
votes
3
answers

get last in LINQ list

asp.net linq
asked 2013-03-27T13:18:27.497
8
votes
3
answers

Is by a reserved keyword?

c# .net linq reserved-words
asked 2013-03-26T10:18:07.233
9
votes
2
answers

C# Removing a List from a List

c# linq
asked 2013-03-23T01:58:54.870
16
votes
6
answers

How to Convert the value in DataTable into a string array in c#

c# .net linq
asked 2013-03-18T21:53:13.823
20
votes
7
answers

Proper way to delete record in LINQ to Entities

c# linq entity-framework linq-to-entities
asked 2013-03-18T04:18:52.597
61
votes
4
answers

When to use BlockingCollection and when ConcurrentBag instead of List<T>?

c# wpf multithreading linq task-parallel-library
asked 2013-03-14T02:30:58.297
17
votes
2
answers

Find item in IList with LINQ

c# .net linq list
asked 2013-03-07T20:42:42.540
30
votes
3
answers

LinqPad Linq Include() extension method is not found even after adding references

.net entity-framework linq linqpad
asked 2013-02-23T10:32:14.733
43
votes
5
answers

How can I use "Where" with an async predicate?

.net linq async-await c#-5.0
asked 2013-02-15T07:25:55.270
13
votes
4
answers

Get All Except from SQL database using Entity Framework

c# sql-server linq entity-framework linq-to-entities
asked 2013-02-04T07:41:17.297
20
votes
2
answers

Dynamic where clause (OR) in Linq to Entities

c# linq entity-framework linq-to-entities where-clause
asked 2013-01-31T08:34:13.110
8
votes
3
answers

Linq to determine if a value occurs more than x number of times

c# linq
asked 2013-01-22T11:15:34.517
10
votes
5
answers

Linq on DataTable: select specific column into datatable, not whole table

c# linq datatable
asked 2013-01-20T07:49:58.960
15
votes
5
answers

Is there an opposite of LINQ's All method?

c# linq
asked 2013-01-20T06:22:44.050
11
votes
3
answers

C# - LINQ - shortest distance by GPS latitude and longitude

c# linq entity-framework linq-to-entities gps
asked 2013-01-18T16:00:42.010
10
votes
4
answers

Selecting specific columns using linq: What gets transferred?

sql linq orm
asked 2013-01-15T12:42:58.420
173
votes
9
answers

Distinct in Linq based on only one field of the table

c# sql linq
asked 2013-01-14T15:07:22.187
236
votes
5
answers

Linq select objects in list where exists IN (A,B,C)

c# linq list linq-to-objects exists
asked 2013-01-10T11:53:33.117
10
votes
5
answers

Dynamic query using LINQ to SQL

c# linq dynamic
asked 2013-01-07T17:15:58.903
30
votes
5
answers

Using FluentValidation's WithMessage method with a list of named parameters

c# .net linq fluentvalidation func
asked 2013-01-05T00:40:37.663
8
votes
8
answers

Dynamic LINQ DateTime Comparison String Building - Linq To Entities

c# string linq entity-framework dynamic-linq
asked 2013-01-02T17:19:08.433
8
votes
1
answers

Using pivot table in linq

c# linq list pivot
asked 2012-12-28T08:23:17.583
10
votes
2
answers

LINQ Where clause with Contains where the list has complex object

c# linq
asked 2012-12-27T22:07:07.387
9
votes
2
answers

Group and Sum a List<object[]>

c# linq lambda
asked 2012-12-19T22:35:04.800
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