select * from testtable; type subtype value a sa 1b sb 1a sb errorb sa errora sb 1b sb 1c sa errorc sb 1c sc 1c sc 1c sa error select sum(`value`) from testtable where value != 'error' AND type ='b'; sum(`value`) 2 SELECT type,subtype,SUM(value) AS T…
I have a client server application written in C# .Net 2.0. I have had the client/server response/request code running for 4 years(!). Recently, on a specific machine, the client can not connect to server: on the code line: HttpWebResponse response…