Npgsql API Documentation |

# NpgsqlCommand Methods

[This is preliminary documentation and subject to change.]

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.
CreateObjRef (inherited from MarshalByRefObject) | Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object.
CreateParameter | Creates a new instance of a NpgsqlParameter object.
Dispose (inherited from Component) | Releases all resources used by the Component.
Equals (inherited from Object) | Determines whether the specified Object is equal to the current 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) | Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table.
GetLifetimeService (inherited from MarshalByRefObject) | Retrieves the current lifetime service object that controls the lifetime policy for this instance.
GetType (inherited from Object) | Gets the Type of the current instance.
InitializeLifetimeService (inherited from MarshalByRefObject) | Obtains a lifetime service object to control the lifetime policy for this instance.
Prepare | Creates a prepared version of the command on a PostgreSQL server.
ToString (inherited from Component) |

#### See Also

NpgsqlCommand Class | Npgsql Namespace