Answer / vivek

Command object is only one to execute queries in the
backend.
Ex:
SqlConnection cn=new SqlConnection();
SqlCommand cmd=new SqlCommand("SELECT * FROM EMP",cn);
cmd.ExecuteNonQuery();
cmd.ExecuteReader();
cmd.ExecuteScalar();
Cmd.ExecuteXmlReader();
command object has only these 4 methods to execute queries
in the backend.

Answer / shwetha

by the namespace using System.Data.Sqlclient


by using Sqlcommand

Dim cmd as new Sqlcommand("Queries");

How to pass values into a datatable?

0 Answers  

---

How can we serialize the dataset object?

0 Answers  

---

Does executenonquery return a value?

0 Answers  

---

What is ado and rdo?

0 Answers  

---

What is ODP.NET?

2 Answers   Microsoft,

---

What is method to get XML and schema from Dataset?

2 Answers  

---

What are the different namespaces used in the project to connect the database?

3 Answers  

---

Describe the disconnected architecture of ADO.NET’s data access model.

0 Answers  

---

How to Handle the exceptions in Sqlsrver2000

3 Answers   SQL Star,

---

How to fetch the last inserted record in a particular table?

10 Answers   CarrizalSoft Technologies, Microsoft,

---

Whate are different types of Commands available with DataAdapter ?

2 Answers  

---

What is dbcontext and dbset in entity framework?

0 Answers  

---