Answer / Anoop Kumar Suhane

To use GroupBy in LINQ, you can call the GroupBy method on an IEnumerable collection and pass a delegate for selecting the grouping key. This returns an IGroupedEnumerable that contains groups of objects.

When to use Single, SingleOrDefault, First and FirstOrDefault?

1 Answers  

---

Why we use iqueryable in linq?

1 Answers  

---

What are deferred execution and immediate execution?

1 Answers  

---

Write the basic steps to execute linq query.

1 Answers  

---

List the important language extensions made in c# to make linq a reality?

1 Answers  

---

What is Extension method?

1 Answers  

---

How LINQ is beneficial than Stored Procedures?

1 Answers  

---

What are the different implementations of LINQ?

1 Answers  

---

What are advantages of using LINQ on DataSet?

1 Answers  

---

What is linq syntax in c#?

1 Answers  

---

Can we use linq to query against a datatable?

1 Answers  

---

How are standard query operators implemented in linq?

1 Answers  

---