When do you use ExecuteReader, ExecuteNonQuery, ExecuteScalar methods?

Partap Tanwar

15y

8.8k

ExecuteReader :- used for DDL queries and return a dataTable.used for SELECT queries and return the result in DataTable.

ExecuteNonQuery:- Used for DML queries and return the no of row affected in integer

Used for Insert, update and delete qeries.

ExecuteScalar:- Used for executing Stored procedures.

thanks

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15y