Data Reader is Read only version Data Set,Each record is returned as a Data Reader Object,ExecuteReader method acts directly on the database connection.
There are two versions of the data reader object:
OleDbDataReader and SqlDataReader.
Data reader is used to fetch the records from database in read only and forward.
directcast(123.34,integer) - should it throw an error? Why or why not?
Difference between a sub and a function in C#.
How do I simulate optional parameters to COM calls?
Difference between imperative and interrogative code.
What are the two kinds of properties.
Constructor in C#.
How can you clean up objects holding resources from within the code?
What is the maximum size of the textbox?
Which property of the textbox cannot be changed at runtime?
What is the difference between proc. sent BY VAL and BY SUB?
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