Explain covariance and contra-variance in .net framework 4.0. Give an example for each.

1044

---

What is the role of the jit compiler in .net framework?

1130

---

Describe the roles of clr in .net framework.?

1140

---

Can you explain how to enable and disable connection pooling?

980

---

What are the different ado.net namespaces are available in .net?

1033

---

What are basic methods of dataadapter?

990

---

How to create data relations?

1016

---

What are ado.net objects?

1149

---

Command objects uses, purposes and their methods.

999

---

Describe connection object in ado.net

1069

---

Describe datareader object of ado.net with example.

953

---

What is the maximum pool size in ado.net connection string?

958

---

How can we check that some changes have been made to dataset since it was loaded?

986

---

Define the data provider classes that is supported by ado.net?

995

---

How to generate a single aggregate?

998

---