ienumerable

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Weird issue about IEnumerable<T> collection

I have following code: IEnumerable<TreeItem> rootTreeItems = BuildRootTreeItems(); BuildTreeView(rootTreeItems.ElementAt(0));[详细]

2023-03-30 07:33 分类：问答
IEnumerable - Return items in range either side of element

I need to get an element from an IEnumerable and then return itself and a range of elements on e开发者_如何学Goither side.[详细]

2023-03-30 00:12 分类：问答
C# Extension Methods

I\'m currently trying to write an extension method, but it doesn\'t seem to be operating as intended.Before we delve too much deeper, here\'s the code I have:[详细]

2023-03-29 16:29 分类：问答
DataRow[] Aggregate Functions C# - Appendix

My question arised out of the accept answer here: DataRow[] Aggregate Functions C# In that answer, how is the \"rows\" object intialized?[详细]

2023-03-29 02:47 分类：问答
Convert IEnumerable<Dictionary<int, string>> to List<Dictionary<int, string>>

var a = GetIEnumerableDictionary(); a is IEnumerable<Dictionary<int, string>>. How do I co开发者_StackOverflownvert a to List<Dictionary<int, string>> ?a.ToList() should do[详细]

2023-03-29 02:40 分类：问答
IEnumerable as DataTable performance issue

I have the following extension, which generates a DataTable from an IEnu开发者_运维百科merable:[详细]

2023-03-28 13:12 分类：问答
Index was out of range when expression converted to linq expression

I am creating a collection of select list items from my userGroupsRepository. I know that there are two records.[详细]

2023-03-27 05:15 分类：问答
How to bind an IEnumerable collection to a Datagrid (items of variable contents)

While working with an excel file (.xlsx), the data I get f开发者_JAVA技巧rom it is an IEnumerable(of Dictionary). When I bind this to my datagrid, I get the problem that I only see 2 columns. I\'ve be[详细]

2023-03-27 02:15 分类：问答
How to insert new item into an IEnumerable

I create a dropdownlist from Enum. public enum Level { Beginner = 1, Intermediate = 2, Expert = 3 } here\'s my extension.[详细]

2023-03-26 19:53 分类：问答
Best method to use IDataReader as IEnumerable<T>?

I need to use Linq on any IDataReader implementations like this var c = sqlDataReader.AsEnumerable().Count();[详细]

2023-03-25 15:47 分类：问答