NpgsqlCommand.ExecuteNonQuery Method 
      
     
    
       Executes a SQL statement against the connection and returns the number of rows affected. 
      
        [Visual Basic]
        Overrides Public Function ExecuteNonQuery() As 
Integer _
 
      
        [C#]
        public override 
int ExecuteNonQuery();
 
      Return Value
      The number of rows affected if known; -1 otherwise.
      Implements
      
        IDbCommand.ExecuteNonQuery
      
      See Also
      
        NpgsqlCommand Class | Npgsql Namespace