Questions tagged [linq]
Language Integrated Query (LINQ) is a Microsoft .NET Framework component that adds native data querying capabilities to .NET languages. Please consider using more detailed tags when appropriate, for example [linq-to-sql], [linq-to-entities] / [entity-framework], or [plinq]
39
questions
0
votes
1
answer
51
views
LINQ grouping by multiple properties and finding max and Min of another property
I have a model that is stored in a list:
public class OrderDataModel
{
public string Product { get; set; }
public string Registry { get; set; }
public string ProjectID { get; set; }
...
0
votes
1
answer
35
views
How to group text to lines if there is small difference in Y position
Using PdfPig to read text from order PDF as described in Get Text Line By Line From PDF using C# answer
static void GetWordsInReadingOrder(UglyToad.PdfPig.Content.Page page, StringBuilder builder)
...
- 27.2k
-1
votes
1
answer
52
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LINQ query where clause in list
I am trying to limit the data returned via a repository using the where clause based on a list of values.
I have a PurchaseOrders entity where I want to return all purchase orders that have an ...
- 1
0
votes
3
answers
65
views
Selecting 2 Elements from XML
I am having a lot of trouble translating examples I am finding into use with XML.
Starting with this (a very cut down version of the whole XML file)
<?xml version="1.0" encoding="UTF-...
- 93
0
votes
2
answers
51
views
LINQ - Get key-value pairs for dictionary with lists
Let's say I have:
Dictionary<string, List<string>> test = new()
{
{ "animal", ["cat", "dog"] },
{ "fruit", ["banana", "apple&...
- 137
0
votes
0
answers
68
views
Linq query DateOnly fields returning results on comparing dates
I have this linq query request as:
var test = (...
where ...
&& test.SL.Any(line =>
line.ServiceCode == serviceCode
...
- 445
0
votes
2
answers
42
views
How to use Enumerable.Aggregate without getting CS0411 error
There are two DTO records:
public record struct DateHour(int Hour, double? Value);
private record struct HourSnapshot(uint TotalSeconds, double? Value);
I have another method which works with enum. I ...
- 165
3
votes
1
answer
67
views
Remove In Nested Loops (Remove Inside Foreach) [closed]
These are my entities:
public class Permissions
{
public string PermissionName { get; set; }
public List<Controllers> controllers { get; set; }
}
public class Controllers
{
public ...
- 86
0
votes
1
answer
48
views
System.Xml.XmlException: 'The ' ' character, hexadecimal value 0x20, cannot be included in a name.'
Wrote the code converter csv file to xml file and when i started it i have an error:
internal class Program
{
private static void Main(string[] args)
{
var csvFile = @"sbor.csv&...
0
votes
0
answers
28
views
Search implemented using LinqKit predicateBuilder working fine in the local but not working in the dev build
I have implemented a search functionality using the LinqKit predicate builder. It is working fine in the local environment and when it is published to a folder the same functionality is not working. ...
- 1
0
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0
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50
views
Is there a way to convert a LINQ expression to another LINQ expression?
My repository class has a few methods for operations with the database. I recently developed the FindAsync() method, which allows you to grab only a few rows from the database based on an expression.
...
1
vote
1
answer
82
views
EF Core : retrieve products with all supplier prices for price comparison and identify cheapest supplier
I'm working on an ASP.NET Core application using ABP framework and EF Core. I need to retrieve information about products and their suppliers for comparison purposes.
Specifically, I want to achieve ...
- 131
0
votes
1
answer
55
views
How to access a XML Parent Attribute with LINQ in C#
I cant seem to get the Linq syntax correct - or I dont know how to reference XML objects.
I have XML like
<?xml version="1.0" encoding="UTF-8"?>
<Targets>
<...
- 93
1
vote
2
answers
104
views
Multiple tables query with repository pattern
I have an ASP.NET Web API project, and have implemented repository and unitOfWork patterns.
I currently have a big SQL query that I want to implement in code, it includes a lot of tables and joins.
My ...
- 337
0
votes
0
answers
19
views
Coerce generic argument of expression
I have a situation where I need to logically-combine two expressions:
Expression<Func<T1, bool>> expr1; Expression<Func<T2, bool>> expr2;
In some cases, T1 and T2 are the same ...
- 29