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LINQ to SQL Query Array in List


LINQ to SQL Query Array in List

By : Ahmad Anshasi
Date : November 22 2020, 11:12 AM
seems to work fine I'm wondering if anyone can help me with something minor, I currently have a list of items which include an array inside the list (nothing i can do about it, data is pulled from a web API), i need to run a linq to sql query on that list to iterate through the array in that list to compare a value in the array, so for example my code would look like this: , Is this what you are after?
code :
var hasMatch= YourList.Any(x=>x.Value==item.Key);
if(hasMatch)
{
    //Do Something
}
else
{
  //Do Something else
}


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LINQ query to query a list with array members

LINQ query to query a list with array members


By : Snorlax One
Date : March 29 2020, 07:55 AM
will be helpful for those in need I am trying to query a list using LINQ.
code :
private List<string> GetSearchResult(List<string> SourceList,string name, string[] items)
{
     return SourceList.Where(entry => entry.name == name && items.Contains(entry.id)).ToList();
}
Linq query using list or array of ids

Linq query using list or array of ids


By : Ishan Sharma
Date : March 29 2020, 07:55 AM
Hope that helps I am having trouble figuring out how to query a db using linq in c# to get all the objects corresponding to a list or array of ids and put them in a list. For example: , Sounds like you want something like:
code :
var query = items.Where(item => validIds.Contains(item.Id));
var query = from id in validIds
            join item in items on id equals item.Id
            select item;
How to use LINQ to query for specific object in an array in a list of objects?

How to use LINQ to query for specific object in an array in a list of objects?


By : rickyaward
Date : March 29 2020, 07:55 AM
it fixes the issue I have a list of objects like this: , You're looking for .Any()
code :
obj.Where(s => s.a.Any(o => o.x)).ToList());
How two compare two array list items in linq query vb.net

How two compare two array list items in linq query vb.net


By : Antony Bonn
Date : March 29 2020, 07:55 AM
hope this fix your issue I have two querys(qry1 returning [a1],[a2]; qry2 returning [a1],[a2],[a3]). So i want to compare these two queries . If they are not equal perform some function. Below is the query i am trying.i dont want to compare with 'count' operator.
code :
if (Qry1.Count() != Qry2.Count() || 
    Qry1.Except(Qry2).Count() > 0 ||
    Qry2.Except(Qry1).Count() > 0)  
 // not the same.
Iterate over array/list inside a linq query

Iterate over array/list inside a linq query


By : Stijn
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I'm trying to use this linq query to check if certain object's netIds are null, blank, or otherwise empty. , Sure thing!
change this:
code :
String.IsNullOrWhiteSpace(
        e.NetworkBlock?.Select(n => n.netId))
e.NetworkBlock?.Any(n => String.IsNullOrWhiteSpace(n.netId)) ?? false // or true depending on criteria
var badData = FileSignatures.Drive.Public.Where(
    e => (e.NetworkBlock?.Any(n => String.IsNullOrWhiteSpace(n.netId)) ?? false) &&
         String.IsNullOrWhiteSpace(
             e.WiFiBlock?.netId) &&
             String.IsNullOrWhiteSpace(
                 e.BluetoothBlock?.netId))
    .ToList();    
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