System FormatException in System DLL: A Guide for C# Developers

Every time I hit the calculate button I receive the following message:

Use the

System Formatexception Occurred In System Dll

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Another day, another ASP.NET Core error... This time relating to JSON not being parsable. Like the error I posted yesterday, this was another strange one as it only occurred within an Azure environment.

I'm getting a bit desperated.

Recently, there has been an issue with Smart Object List methods over and over again. Affected are only smart objects that have a decimal field and only the list methods. After restarting the K2 service, the error is gone. After some time, however, the error occurs again. I can not detect any errors in the logs and can not recognize the cause. Has this error ever occurred to someone?

We are using version 4.7 with the latest fix pack.

You receive a System.FormatException with the following error and stack trace.

"Input string was not in a correct format."

A first chance exception of type 'System.FormatException' occurred in mscorlib.dll

at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)

at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)

at System.Int16.Parse(String s, NumberStyles style, NumberFormatInfo info)

at System.Convert.ToInt16(String value)

at TypeConversionTest.Form1.cmdConvert_Click(Object sender, EventArgs e) in C:\Source\TypeConversionTest\TypeConversionTest\Form1.vb:line 7

Thank you guys for answers:) I have now trimmed my value in c#, "18.52\r" becomes "18.52". But I am still struggling... I am able to show the value as a text label, but can't convert it to an int for the progress bar, due to some format trouble. When converting I get the error: "FormatExeption unhandled: An unhandled exception of type 'System.FormatException' occurred in mscorlib.dll" - "Additional information: input string had an invalid format."

System.FormatException occurred

HResult=-2146233033

Message=One of the identified items was in an invalid format.

Source=Microsoft.SqlServer.Types

StackTrace:

at Microsoft.SqlServer.Types.GeoData.Read(BinaryReader r)

I appreciate the continued interest on this.\\n\\nToday I un-installed .Net Runtime 1.1, 2.0 SP1 and 3.0 SP1 which were installed on the user's pc.\\n\\nI then restarted the system, and re-installed .Net 2.0 SP1 and .Net 3.0 SP1. Then went to Windows Update to assure no security updates were missing.\\n\\nUser continues to get same error.\\n\\nHOWEVER ... if I logon to the pc with my domain account and have the user start the BI 7 Analyzer and authenticate (logon) with their credentials everything works fine.\\n\\nThis is REALLY strange that there is something in the users Windows Profile that is not set correct. Especially since I re-installed all pre-requisite software for .Net.\\n\\nBob\",\"author\":\"username\":\"former.member\",\"displayName\":\"Former Member\",\"groupIcons\":[],\"suspended\":true,\"isCurrentUser\":false,\"parentAuthor\":\"username\":\"arun.varadarajan\",\"displayName\":\"Arun Varadarajan\",\"groupIcons\":[],\"suspended\":false,\"isCurrentUser\":false,\"id\":4720574,\"creationDate\":1220909317000,\"activeRevisionId\":6478749,\"lastActivity\":1220909317000,\"parentId\":4712144,\"originalParentId\":4705205,\"likeCount\":0,\"visibility\":\"full\",\"depth\":0,\"attachments\":[],\"canVoteUpOrCancel\":false,\"relations\":\"canReport\":false,\"visibility\":\"full\",\"canEdit\":false,\"canUseDelete\":false,\"isLiked\":false,\"type\":\"comment\",\"canVoteUpOrCancel\":false,\"canConvertToAnswer\":false,\"canBeModerated\":false,\"canViewRevisions\":false,\"showInReply\":false,\"reported\":false,\"canCancelReport\":false,\"canDelete\":false,\"canVoteDownOrCancel\":false,\"canComment\":false,\"canViewReports\":false,\"isCurrentUserAuthor\":false,\"liked\":false,\"moderatorComment\":false}]}}"); const simplifiedQuestionView = JSON.parse("true"); (function() window.pageContext = mergeDeep(pageContext, question: id: 4705205, plug: "bi7-patch-7---critical-program-error-has-occurred", votes: 0, questionTitle: "Bi7 Patch 7 - Critical Program Error Has Occurred", isClosed: false, isLocked: false, isRedirected: false, redirectedFromTitle: "", redirectedFromId: "", closedStatusData: JSON.parse(""), userVoted: false, relations: JSON.parse("\"canClose\":false,\"canUnredirect\":false,\"canReport\":false,\"visibility\":\"full\",\"canEdit\":false,\"canUseDelete\":false,\"canReopen\":false,\"type\":\"question\",\"canVoteUpOrCancel\":false,\"canViewRevisions\":true,\"canUnlock\":false,\"reported\":false,\"canVoteDownOrCancel\":false,\"canLock\":false,\"canCancelReport\":false,\"canComment\":true,\"isCurrentUserAuthor\":false,\"canViewReports\":false"), isQuestionAccepted: false , childToViewInfo: id: "" , comments: JSON.parse("\"4708323\":\"rootParentId\":4708323,\"commentsCount\":4,\"comments\":[\"body\":\"I appreciate the continued interest on this.\\n\\nToday I un-installed .Net Runtime 1.1, 2.0 SP1 and 3.0 SP1 which were installed on the user's pc.\\n\\nI then restarted the system, and re-installed .Net 2.0 SP1 and .Net 3.0 SP1. Then went to Windows Update to assure no security updates were missing.\\n\\nUser continues to get same error.\\n\\nHOWEVER ... if I logon to the pc with my domain account and have the user start the BI 7 Analyzer and authenticate (logon) with their credentials everything works fine.\\n\\nThis is REALLY strange that there is something in the users Windows Profile that is not set correct. Especially since I re-installed all pre-requisite software for .Net.\\n\\nBob\",\"author\":\"username\":\"former.member\",\"displayName\":\"Former Member\",\"groupIcons\":[],\"suspended\":true,\"isCurrentUser\":false,\"parentAuthor\":\"username\":\"arun.varadarajan\",\"displayName\":\"Arun Varadarajan\",\"groupIcons\":[],\"suspended\":false,\"isCurrentUser\":false,\"id\":4720574,\"creationDate\":1220909317000,\"activeRevisionId\":6478749,\"lastActivity\":1220909317000,\"parentId\":4712144,\"originalParentId\":4705205,\"likeCount\":0,\"visibility\":\"full\",\"depth\":0,\"attachments\":[],\"canVoteUpOrCancel\":false,\"relations\":\"canReport\":false,\"visibility\":\"full\",\"canEdit\":false,\"canUseDelete\":false,\"isLiked\":false,\"type\":\"comment\",\"canVoteUpOrCancel\":false,\"canConvertToAnswer\":false,\"canBeModerated\":false,\"canViewRevisions\":false,\"showInReply\":false,\"reported\":false,\"canCancelReport\":false,\"canDelete\":false,\"canVoteDownOrCancel\":false,\"canComment\":false,\"canViewReports\":false,\"isCurrentUserAuthor\":false,\"liked\":false,\"moderatorComment\":false]"), answerPager: answersCount: 3, page: 1, pageSize: 10, pageCount: 1, sort: "votes" , answers: JSON.parse("[\"body\":\"Bob,Check the following :1. Can you open the same in Excel 2003 ?Also looks like this has something to do with BeX themes - these are themes for the display...Arun\",\"author\":\"username\":\"arun.varadarajan\",\"displayName\":\"Arun Varadarajan\",\"groupIcons\":[],\"suspended\":false,\"isCurrentUser\":false,\"id\":4708323,\"posted\":1220608841000,\"votes\":0,\"isAccepted\":false,\"isLocked\":false,\"userVoted\":\"\",\"relations\":\"canCancelAccept\":false,\"canUnlock\":false,\"canUseDelete\":false,\"canVoteDownOrCancel\":false,\"canLock\":false,\"canAccept\":false,\"type\":\"answer\",\"canVoteUpOrCancel\":false,\"isCurrentUserAuthor\":false,\"attachments\":[],\"body\":\"We encountered the same symptoms in our organization after upgrading to BI 7 and upgrading our clients to SAP GUI 7.10 Patch level 8 and BEX 7.x Support Package 6. After looking at the trace information generated when the BEX Query Designer failed, I searched the web and found the following discussion. The discussion doesn't pertain to our problem necessarily, but the solution at the end of the thread fixed the problem. \\n \\n \\n \\nYou must clear the contents of the following registry key. Just as the person who posted the solution, this key appeared empty when I first viewed my registry settings. So I set the value to "+". For good measure, I then logged off the machine, logged back in and cleared the value in this registry key. I was then able to launch the BEX Query Designer and open queries in the BEX Analyzer without any errors. \\n \\nHKEY_CURRENT_USER\\\\Control Panel\\\\International\\\\sPositiveSign \\n \\n \\nHope this helps!\",\"author\":\"username\":\"former.member\",\"displayName\":\"Former Member\",\"groupIcons\":[],\"suspended\":true,\"isCurrentUser\":false,\"