ExecteReader,ExecuteNonQuery,ExecuteScalar

Posted on 05/02/2011. Filed under: Asp.Net Concepts |

ExecteReader:Use for accessing data.It provide a forward only ,read only,Connected record set.

ExecuteNonQuery:Use for Data manipuation such as insert,update,delete.

ExecuteScalar:used to retreive single value 1row ,1col its example when you want to retrieve agregate functions .

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