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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 10709once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
2 6004how to create a quiz software using 4 options to answer and how to check with answers in the database and award marks....
Ford,
1 4526What is the difference between a Dataset and DataReader? Can dataReader hold data from multiple tables?
3 9453I 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 8340i 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 6150
What does ado stand for?
Explain the role of data provider in ado.net? What is the role of data provider in ado.net?
Which is faster sqldataadapter and sqldatareader?
Which property is used to check whether a DataReader is closed or opened?
Explain the basic use of "dataview" and explain its methods.
What is dataset and datatable in ado.net?
What is typed dataset ?
How can we save all data from dataset?
What is a control toolbox?
In how many ways we can retrieve table records count? How to find the count of records in a dataset?
What is disconnected data?
What is sql connection in ado.net?
What Is Difference Between Ado And Ado.net?
What are two types of transaction supported by ado.net?
Define different execute methods of ADO.NET command object ?
