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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 10382once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
2 5784how to create a quiz software using 4 options to answer and how to check with answers in the database and award marks....
Ford,
1 4359What is the difference between a Dataset and DataReader? Can dataReader hold data from multiple tables?
3 9184I 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 8088i 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 5994
Describe connection object in ado.net
Can you explain how to enable and disable connection pooling?
Explain how to bind the controls(best practice) comboboxes to the data in the dataset?
What is ado.net and its features?
What is Serialization in .NET? what are the types of Serialization?
What is ole word?
What is typed dataset ?
What are all the classes that are available in System.Data Namespace?
What is ado circle?
Which one of the following objects is a high-level abstraction of the connection and command objects in ado.net?
What is connection string?
What is DataRowCollection?
What are all the different methods under sqlcommand?
Where is adodb dll located?
What is serialization and de-serialization in .net? How can we serialize the dataset object?
