When multiple users attempt to modify data at the same time Ex user 1 is updating record at same time user2 deleted record sucessfully.now user1 has press update button . how to handle concurrency
4 9211once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
2 4934how to create a quiz software using 4 options to answer and how to check with answers in the database and award marks....
Ford,
1 3710What is the difference between a Dataset and DataReader? Can dataReader hold data from multiple tables?
3 8007I loaded the dataset with a table of 10 records. One of the records is deleted from the backend, How do you check whether all the 10 records were present while updating the data(Which event and steps) and throw the exception.
2 7197i making a project using windows application c#, i want to show user name, password, and one button login. i wanna make it with sealed class .how its possible . when i clicked my login button all project should be open. pls cleare me.
1 5282
What is the difference in an abstract class and an interface?
How to identify the updated rows in a dataset?
What is ado.net components?
Explain sqlconnection object?
Explain the various objects in dataset.
What is the difference between Command and CommandBuilder object?
differance between ADO vs ADO.Net?
Why edit is not possible in repeater?
Which name space is used to get assembly details?
Explain the difference between ado and ado.net?
What are the different layers of ado.net?
Which one of the following objects is a high-level abstraction of the connection and command objects in ado.net?
What does ole stand for in excel?
What is untyped dataset?
What property must be set and what method must be called in your code to bind the data from some data source to the Repeater control?
