Answer Posted / sanchit yadav
Because it inherites the IEnumerable.IEnumarble contains
the method(getenumerator) its type is IEnumerator it
returns the instance of IEnumerator that implements in a
class that contains three methods current(),movenext(),
reset().Ist call the current() than movenext() move first
tuple to last tuple in the table than call reset() than
cursor moves on the current().So,DataReader works in
forward only and Read only manner.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What does executenonquery () method return?
What are all the classes that are available in System.Data Namespace?
What is ado data control?
Which is better ole db or odbc?
How to perform sorting on a table in ADO.NET?
What are the main differences between classic ado and ado.net?
What is datasource in ado.net?
How do you find the count of records in a dataset?
Explain sqlconnection object?
What is linq and entity framework?
What are all the commands used with Data Adapter?
What is executequery?
Some important instruction regarding ADO.NET connection string ?
How to retrieve the user id which is provided while windows authentication?
What Is Difference Between Ado And Ado.net?