Warning: pg_connect() [function.pg-connect]: Unable to connect to PostgreSQL server: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request. in C:\ms4w\Apache\htdocs\includes\db_conn.php on line 3

Warning: pg_query(): supplied argument is not a valid PostgreSQL link resource in C:\ms4w\Apache\htdocs\demand-supply.php on line 62

Warning: pg_query(): supplied argument is not a valid PostgreSQL link resource in C:\ms4w\Apache\htdocs\demand-supply.php on line 66

Warning: pg_fetch_array() expects parameter 1 to be resource, boolean given in C:\ms4w\Apache\htdocs\demand-supply.php on line 70

Warning: pg_fetch_array() expects parameter 1 to be resource, boolean given in C:\ms4w\Apache\htdocs\demand-supply.php on line 75
JpGraph Error Empty input data array specified for plot. Must have at least one data point.