I need to cast an IList to a Collection (System.Collections.ObjectModel) How do you go about this?

I have a list of type IList<Effort>. The model Effort contains a float called Amount. I would like to return the sum of Amount for the whole list, in F#. How would this be achieved?

Im using the .NET framework 1.1 and Im hoping someone could help me implement a dynamic array of objects? A watered-down example of the object I wish use is below. Class CarObj { public string ...

Any elegant ways of converting a IList collection to a string of comma separated id's? "1,234,2,324,324,2"

Update 2011-Jan-06: Believe it or not, I went ahead and incorporated this interface into an open source library I've started, Tao.NET. I wrote a blog post explaining this library's IArray<T>...

Is there a limit of elements that could be stored in a List ? or you can just keeping adding elements untill you are out of memory ?

When I have entities in my domain with lists of things, should they be exposed as ILists or IEnumerables? E.g. Order has a bunch of OrderLines.

I seem to be having a problem with checking for list equality. In my case, I have two role objects and I want to see if they are equal. Each role contains a name and a List of permissions. Each per...

I'm in a situation where I just want to append values in string array (type String[]) to an object with IList<String>. A quick look-up on MSDN revealed that IList<T>'s Insert method onl...

I have an IList<string> returning from a function (as variable lst) and I set and then I this.dataGridView1.DataSource = lst; The datagrid adds one column labelled Length and then lists t...

The MSTest framework has a CollectionAssert that accepts ICollections. My method returns an IList. Apparently a list is not a collection.. Are there ways to make my IList an ICollection?

What is the most suitable container just for strings holding in some array with non-predetermined upper boundary, which length is unknown on it's creation. For simple code like: var list = new So...

I would like to call FindLast on a collection which implements IEnumerable, but FindLast is only available for List. What is the best solution?