ADO.NET Interview questions


Total available count: 25
Subject - Microsoft Technologies
Subsubject - ADO.NET

Is it possible to update the database by using SqlDataReader?

No, It is not possible to update the database by using SqlDataReader because SqlDataReader is read-only and forward-only object.

Even it is not possible to go back to the previous record which is already processed.



Next 5 interview question(s)

1
What is the full-form of ADO?
2
What is the use of SqlParameter.Direction?
3
Explain differences between Dataset and Datareader?
4
What is the purpose of database transactions?
5
What is the importance of ExecuteNonQuery, ExecuteReader and ExecuteScalar methods in SqlCommand?