Error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) Code=-2146232060 Proc= Line=0 Inner ex=The system cannot find the file specified Stack Trace= at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at HSP.Models.CSQL.OpenConnection() in D:\HSP\Live\HSP\Models\CSQL.cs:line 79 Source=.Net SqlClient Data Provider ******** Dump of Http Request ******** Request.Params... ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 ALL_HTTP=HTTP_CONNECTION:close HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate HTTP_COOKIE:ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 HTTP_HOST:www.heatingspareparts.com HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; com patible; ClaudeBot/1.0; +claudebot@anthropic.com) ALL_RAW=Connection: close Accept: */* Accept-Encoding: gzip, br, zstd, deflate Cookie: ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 Host: www.heatingspareparts.com User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compati ble; ClaudeBot/1.0; +claudebot@anthropic.com) APPL_MD_PATH=/LM/W3SVC/2/ROOT APPL_PHYSICAL_PATH=D:\inetpub\wwwroot\HSP\ AUTH_TYPE= AUTH_USER= AUTH_PASSWORD= LOGON_USER= REMOTE_USER= CERT_COOKIE= CERT_FLAGS= CERT_ISSUER= CERT_KEYSIZE=256 CERT_SECRETKEYSIZE=2048 CERT_SERIALNUMBER= CERT_SERVER_ISSUER=C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 CERT_SERVER_SUBJECT=CN=www.heatingspareparts.com CERT_SUBJECT= CONTENT_LENGTH=0 CONTENT_TYPE= GATEWAY_INTERFACE=CGI/1.1 HTTPS=on HTTPS_KEYSIZE=256 HTTPS_SECRETKEYSIZE=2048 HTTPS_SERVER_ISSUER=C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 HTTPS_SERVER_SUBJECT=CN=www.heatingspareparts.com INSTANCE_ID=2 INSTANCE_META_PATH=/LM/W3SVC/2 LOCAL_ADDR=217.154.32.159 PATH_INFO=/boiler-spares/partno/7826366/469554 PATH_TRANSLATED=D:\inetpub\wwwroot\HSP\boiler-spares\partno\7826366\469554 QUERY_STRING= REMOTE_ADDR=216.73.216.59 REMOTE_HOST=216.73.216.59 REMOTE_PORT=58721 REQUEST_METHOD=GET SCRIPT_NAME=/boiler-spares/partno/7826366/469554 SERVER_NAME=www.heatingspareparts.com SERVER_PORT=443 SERVER_PORT_SECURE=1 SERVER_PROTOCOL=HTTP/1.1 SERVER_SOFTWARE=Microsoft-IIS/10.0 URL=/boiler-spares/partno/7826366/469554 HTTP_CONNECTION=close HTTP_ACCEPT=*/* HTTP_ACCEPT_ENCODING=gzip, br, zstd, deflate HTTP_COOKIE=ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 HTTP_HOST=www.heatingspareparts.com HTTP_USER_AGENT=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeB ot/1.0; +claudebot@anthropic.com) Server Variables... ALL_HTTP=HTTP_CONNECTION:close HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate HTTP_COOKIE:ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 HTTP_HOST:www.heatingspareparts.com HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; com patible; ClaudeBot/1.0; +claudebot@anthropic.com) ALL_RAW=Connection: close Accept: */* Accept-Encoding: gzip, br, zstd, deflate Cookie: ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 Host: www.heatingspareparts.com User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compati ble; ClaudeBot/1.0; +claudebot@anthropic.com) APPL_MD_PATH=/LM/W3SVC/2/ROOT APPL_PHYSICAL_PATH=D:\inetpub\wwwroot\HSP\ AUTH_TYPE= AUTH_USER= AUTH_PASSWORD= LOGON_USER= REMOTE_USER= CERT_COOKIE= CERT_FLAGS= CERT_ISSUER= CERT_KEYSIZE=256 CERT_SECRETKEYSIZE=2048 CERT_SERIALNUMBER= CERT_SERVER_ISSUER=C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 CERT_SERVER_SUBJECT=CN=www.heatingspareparts.com CERT_SUBJECT= CONTENT_LENGTH=0 CONTENT_TYPE= GATEWAY_INTERFACE=CGI/1.1 HTTPS=on HTTPS_KEYSIZE=256 HTTPS_SECRETKEYSIZE=2048 HTTPS_SERVER_ISSUER=C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 HTTPS_SERVER_SUBJECT=CN=www.heatingspareparts.com INSTANCE_ID=2 INSTANCE_META_PATH=/LM/W3SVC/2 LOCAL_ADDR=217.154.32.159 PATH_INFO=/boiler-spares/partno/7826366/469554 PATH_TRANSLATED=D:\inetpub\wwwroot\HSP\boiler-spares\partno\7826366\469554 QUERY_STRING= REMOTE_ADDR=216.73.216.59 REMOTE_HOST=216.73.216.59 REMOTE_PORT=58721 REQUEST_METHOD=GET SCRIPT_NAME=/boiler-spares/partno/7826366/469554 SERVER_NAME=www.heatingspareparts.com SERVER_PORT=443 SERVER_PORT_SECURE=1 SERVER_PROTOCOL=HTTP/1.1 SERVER_SOFTWARE=Microsoft-IIS/10.0 URL=/boiler-spares/partno/7826366/469554 HTTP_CONNECTION=close HTTP_ACCEPT=*/* HTTP_ACCEPT_ENCODING=gzip, br, zstd, deflate HTTP_COOKIE=ASP.NET_SessionId=tkneum0q2fm2sxiiys4j20g4 HTTP_HOST=www.heatingspareparts.com HTTP_USER_AGENT=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeB ot/1.0; +claudebot@anthropic.com) ******** End of Http Request Dump ******** ******** Dump of Session Variables ******** CallerIP=216.73.216.59 IPBlocked=N UserLocation=216.73.216.59, Columbus, Ohio, United States of America, US IPBlockChecked=Y IsCrawlByBot=Y CurrentPageTitle=Part No: 37510900 | 24 Hour Delivery | Heating Spare Parts ******** End of Session Variables Dump ******** ******** Start of Stack Trace ******** D:\HSP\Live\HSP\Models\DBUtils.cs, GetStackTrace: Line 564: Column 17 D:\HSP\Live\HSP\Models\CSQL.cs, OpenConnection: Line 79: Column 25 D:\HSP\Live\HSP\Models\CSQL.cs, GetDataSet: Line 291: Column 17 D:\HSP\Live\HSP\Models\PartsRepository.cs, FindByPartProductId: Line 738: Column 21 D:\HSP\Live\HSP\Controllers\SparesController.cs, PartNo: Line 73: Column 21 ******** End of Stack Trace ********