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 9482once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
2 5143how to create a quiz software using 4 options to answer and how to check with answers in the database and award marks....
Ford,
1 3830What is the difference between a Dataset and DataReader? Can dataReader hold data from multiple tables?
3 8247I 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 7405i 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 5422
What is command class in ado.net?
What is the default timeout specified for "sqlcommand.commandtimeout" property?
What are the pre-requisites for connection pooling?
What is method to get XML and schema from Dataset? getXML() and get Schema ()
What is difference between datagridview and datagrid control in winforms?
differences between ADO and ADO.NET
What is data relation in ado.net?
Which is the best method to get two values from the database?
Why do we need ado.net?
Explain the dataadapter class in ado.net?
What is an ado connection?
What do you know about ado.net's methods?
Do we use stored procedure in ADO.Net?
What is the use of sqldatareader class?
What are all the classes that are available in System.Data Namespace?
