DataReader object
Explain DataReader object?
Expert
DataReader object helps in accessing the data from the database in a read-only, forward-only mode. Base class for all DataReader objects is the DbDataReader class. The DataReader object is returned as a result of calling the ExecuteReader() method of the Command object. The DataReader object allows faster retrieval of the data from the databases and develops the performance of .NET applications by giving the rapid data access speed. Though, it is less preferred as compared to theDataAdapter object since the DataReader object requires an Open connection till it completes reading all the rows of specified table.
An Open connection required to read the data from large tables consumes many resources of the system. When multiple client applications at the same time access a database by using DataReader object, performance of the data retrieval and other related processes gets significantly reduced. In this case, database might refuses the connections to other .NET applications until other clients frees the resources.
Explain the Code Contracts?
In what way we can format dates, numbers and currencies in the text box?
Write the syntax to declare the namespace in the .NET and in VB?
Briefly describe about XSLT?
List the usages of the Command object in ADO.NET?
What is AccordionExtender control?
How we can prevent users of the application from editing a text in ComboBox controls in the .NET 4.0?
Write the difference between a toolstrip split button and a toolstrip drop-down button ?
Explain what would you do to get rid of Microsoft visual basic name space?
Explain briefly about server-side comments and also write its syntax?
18,76,764
1944105 Asked
3,689
Active Tutors
1440667
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!