Answer / Nazim Khan

Using System.Linq is a namespace in .NET that contains classes used for LINQ operations. These classes provide extension methods to perform various operations on collections, such as filtering, sorting, and grouping.

When linq query is executed?

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What is difference between XElement.Load() and XDocument.Load()?

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What is the difference between FirstOrDefault() and SingleOrDefault() extension method in LINQ ?

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What are linq extension methods?

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What are linq expressions?

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How would you count the elements in a list or collection?

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How you can retrieve a single row with linq?

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What is the use of using system linq?

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What is Extension method?

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What is linq used for?

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What is the linq file extension that interacts with code behind objects.

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What is the difference between single and first in linq?

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