What is datasource in ado.net?
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Define connection string?
Why do we need ado.net?
What is difference between datareader and dataadapter?
What are the key features of ado.net?
Can we bind one datareader wid two dropdown list?
What is concurrency? How will you avoid concurrency when dealing with dataset? (One user deleted one row after that another user through his dataset was trying to update same row. What will happen? How will you avoid the problem?)
How to find the count of records in a dataset?
How do you merge 2 datasets into the third dataset in a simple manner?
What DataReader class do in ADO.NET ?
What is data relation in ado.net?
What is connection in ado.net?
feature of ADO.Net
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