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Will Dispose() be called in a using statement with a null object?

Is it safe to use the using statement on a (potentially) null object? Consider the following example: class Test { IDisposable GetObject(string name) ...

June 3, 2022
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datatable, Programming

IT Nursery

Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. However, from what I’ve read so ...

May 29, 2022
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Why should you remove unnecessary C# using directives?

For example, I rarely need: using System.Text; but it’s always there by default. I assume the application will use more memory if your ...

May 25, 2022
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What is the C# Using block and why should I use it? [duplicate]

This question already has answers here: What are the uses of “using” in C#? (29 answers) Closed 7 years ago. What is the ...

May 16, 2022
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MySQL JOIN ON vs USING?

In a MySQL JOIN, what is the difference between ON and USING()? As far as I can tell, USING() is just more convenient ...

May 15, 2022
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What are the uses of “using” in C#?

User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the ...

May 13, 2022
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Nested using statements in C#

I am working on a project. I have to compare the contents of two files and see if they match each other precisely. ...

May 11, 2022
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Do HttpClient and HttpClientHandler have to be disposed between requests?

System.Net.Http.HttpClient and System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker). The using statement documentation says: As a rule, when you use an ...

May 9, 2022
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What is the best workaround for the WCF client `using` block issue?

I like instantiating my WCF service clients within a using block as it’s pretty much the standard way to use resources that implement ...

May 7, 2022
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