Define connection string?
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If a table contains 20000 records. In a page at each time 100 records to be displayed.
Explain what a diffgram is and its usage ?
Which property is used to check whether a DataReader is closed or opened?
How to find the given query is optimised one or not?
Which are the different IsolationLevels ?
How do you update a dataset in ado.net and how do you update database through dataset?
Can I use One Data Set for More than one Data Adapter?
What provider ado.net use by default? Explain the role of data provider in ado.net? What is the role of data provider in ado.net?
Define connection string?
What is the difference between data reader and data adapter?
What we do with the object of ado.net dataset after using it?
What is executenonquery ado.net?