.NET Interactive: Enable_try_dotnet_to_batch_14a

[v-mepa]

Enable_try_dotnet_to_batch_14a

S No.	URL	Try .NET Status	Comments
1	https://docs.microsoft.com/en-us/dotnet/api/system.collections.specialized.namevaluecollection	Batch 14
2	https://docs.microsoft.com/en-us/dotnet/api/system.indexoutofrangeexception	Batch 14	Only samples 2, 7, 9 (I'm ignoring little boxes with no language indicated). Other samples throw exception or require arguments to be passed.
3	https://docs.microsoft.com/en-us/dotnet/api/system.argumentoutofrangeexception	Batch 14	Only samples 1, 2, 6, 8, 13, 14. Others throw exception or are not runnable. Dependent on PR 4479.
4	https://docs.microsoft.com/en-us/dotnet/api/system.text.encoder	Batch 14
5	https://docs.microsoft.com/en-us/dotnet/api/system.type.isgenerictype	Batch 14
6	https://docs.microsoft.com/en-us/dotnet/api/system.linq.queryable.union	Batch 14
7	https://docs.microsoft.com/en-us/dotnet/api/system.text.utf8encoding.getpreamble	Batch 14	Fix sample 2 output

fyi @mairaw , I was not sure for comment "fix sample output for 2" even after checking PR #4457. Let me know.

[mairaw]

Looks great @v-mepa. I've missed one sample review when I was preparing this batch so left a suggestion that can be quickly applied.

[mairaw]

Suggested change

	:::code language="csharp" source="~/samples/snippets/csharp/VS_Snippets_CLR_System/system.Type.IsGenericType/cs/remarks.cs" interactive="try-dotnet-method" id="Snippet2":::
	:::code language="csharp" source="~/samples/snippets/csharp/VS_Snippets_CLR_System/system.Type.IsGenericType/cs/remarks.cs" id="Snippet2":::

[v-mepa]

It wont let me commit here so applied changes locally

[mairaw]

I think it's a GitHub bug with very large files

[mairaw]

Looks great. Thanks @v-mepa!