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# NpgsqlCommand Methods

The methods of the NpgsqlCommand class are listed below. For a complete list of NpgsqlCommand class members, see the NpgsqlCommand Members topic.

#### Public Instance Methods

Cancel | Attempts to cancel the execution of a NpgsqlCommand.
Clone | Create a new connection based on this one.
CreateObjRef (inherited from MarshalByRefObject) |
CreateParameter | Creates a new instance of a NpgsqlParameter object.
Dispose (inherited from Component) |
Equals (inherited from Object) |
ExecuteNonQuery | Executes a SQL statement against the connection and returns the number of rows affected.
ExecuteReader | Overloaded. Sends the CommandText to the Connection and builds a NpgsqlDataReader.
ExecuteScalar | Executes the query, and returns the first column of the first row in the result set returned by the query. Extra columns or rows are ignored.
GetHashCode (inherited from Object) |
GetLifetimeService (inherited from MarshalByRefObject) |
GetType (inherited from Object) |
InitializeLifetimeService (inherited from MarshalByRefObject) |
Prepare | Creates a prepared version of the command on a PostgreSQL server.
ToString (inherited from Component) |

#### See Also

NpgsqlCommand Class | Npgsql Namespace