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SqlDataReader.Read() is a method which returns a bool but advanced to the next record in a recordset.

What factors influence whether true or false is returned?

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  • In addition to the answers posted, it will return false if there are no rows. Commented Apr 21, 2010 at 23:15
  • And FileNotFoundException of course. Commented Apr 22, 2010 at 0:56

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From the help of SqlDataReader.Read:

returns true if there are more rows; otherwise false.

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From the documentation:

true if there are more rows; otherwise false.

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