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Error Message Severity Levels in SQL Server

Sample Code: BEGIN TRY     SELECT 1/0; END TRY BEGIN CATCH     SELECT ERROR_SEVERITY() AS ErrorSeverity; END CATCH; GO Output : 16 ############################################################### Here we didnt understand what exactly severity occurs in SQL Expression Find descriptions here for each severity level. Severity Levels 0 through 19 : Error messages with a severity level of 10 are informational. Error messages with severity levels from 11 through 16 are generated by the user and can be corrected by the user. Severity levels from 17 and 18 are generated by resource or system errors; the user's session is not interrupted. Severity Level 10: Status Information This is an informational message that indicates a problem caused by mistakes in the information the user has entered. Severity level 0 is not visible in SQL Server. Severity Levels 11 through 16 These messages indicate errors that can be corrected by the user. Severity Le...

Unable to attach to application 'WebDev.WebServer.EXE'

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Type : Its error , while executing application from Visual Studio 2008 Description :   Some times in VS 2008 an error is observed before debugging an application and some times   When I choose yes, the default browser loads forever. Even if I set IE as the default browser, the same error on VWD2005 occurs. Some   Solutions :   A quick solution is to press CTRL+ALT+DEL to open task manager, In processes tab end WebDev.WebServer.EXE or Restart application :)  :)