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Value Cannot Be Null. Parameter Name Oldvalue


Change nullability to let them match. Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle Free Trial Sign In Techdegree Tracks Library Post your question and get tips & solutions from a community of 418,795 IT Pros & Developers. Nevertheless, if you edit it until it is correct (if it isn't so out of the box), then you already stand a large chance the actual error becomes a lot clearer. his comment is here

This issue has been driving me crazy for over month! 0 JonDavis.0799 Jon Davis USMember ✭ July 2015 Xamarin had been installed automatically by installing VS2015 RC. This is getting annoying. m_subscriptionsSql = GetTable(); share|improve this answer answered Jun 27 '12 at 8:00 Johan Paul 603615 Johan, yeah initialization also produce this type of error in linq but in my Post any feedback here related to improving the accessibility or usability of mojoPortal.

Value Cannot Be Null. Parameter Name Source In C#

Change the datatype length so they match. Do not map personalization keys assigned to load arguments if the MBO uses a Scheduled cache group policy. Specify the argument to map to the client parameter. Map the synchronization parameter to a non BigString/BigBinary attribute.

  1. Remove additional mappings.
  2. I am building the application using Visual Basic .Net in Visual Studio.NET 2003.
  3. The really, really strange thing is this: When I get this error, the "real" exception always seems to be thrown from my code contained in a .vb class file.
  4. Warning: Non-nullable argument '''' cannot map to a nullable personalization key: '''.

Please review the stack trace for more information about the error and where it originated in the code. Posting to the forum is only allowed for members with active accounts. Two or more client parameters map to the same argument. Value Cannot Be Null Parameter Name Value BTW - this one doesn't stop you using Visual Studio - the error list shows these errors, but if you look in the Output window, you can see that your build

The release notes for the update that caused me so much trouble can be found at: https://forums.xamarin.com/discussion/37276/stable-release-xamarin-studio-5-9-0-new-features-and-bug-fixes/p1 Those notes list some known issues, although not everything I have encountered as far Value Cannot Be Null C# For example, some auto-generated models can attempt to map nvarchar(1) columns to char rather than string and hence if this column contains nulls it will throw an error when you attempt Change mapping of argument or the ‘Old Value Argument’. Error: Operation ‘’ does not support old value argument.

A quick look in the docs shows the the consrtuctor (ctor) wants to have a non-null string since StringReader sits below things like TextReader. Value Cannot Be Null Parameter Name Input hope this helps. Step 3 This step you'll have to do yourself. nothing builds and i am stuck. 0 JohnHardman John Hardman GBUniversity ✭✭✭✭✭ May 2015 @LukeWatson - interesting about the NuGet references.

Value Cannot Be Null C#

Otherwise please ellaborate a bit more :) /Jan Copy Link mithun 42 posts 63 karma points Dec 31, 2012 @ 10:23 0 Hi Jan, Thanks for reply.my umbraco version is4.7.1.1.The same Give it a try, really! 0 FredyWenger Fredy Wenger CHInsider ✭✭✭✭ May 2015 @JohnHardman, @GadiPaz, @FrdricBILLAt, @MarianGieseler, @LucaMarchetti.4193, @LutzMller.1708, @ab.9453, @LukeWatson, @JerodVenema, @RADev, @hagailuger1, @MartinRothschink and all other readers of this Value Cannot Be Null. Parameter Name Source In C# You may also want to review the installation documentation. Value Cannot Be Null. Parameter Name Collection Can you remove the inner loop and still replicate the problem? (In fact, can you remove references to LineItem altogether and see if it works?) –sgmoore Jul 14 '10 at 15:48

Very annoying! this content Xamarin really needs to get it together. 0 LyndonHughey Lyndon Hughey USUniversity ✭ June 2015 Thanks for posting this guys. Warning: Argument data length is larger than that of the attribute it propagates to, value truncation might occur: ‘’. If you ask questions like "How can I integrate mojoPortal with x?" or "How can I build y?" You can't really expect me to have some easy answer for you or Value Cannot Be Null Parameter Name String

when I checked the priveleges on the source files the ASP.NET process did not have access to the files. In my experience this happens when for some weird reason an alias somehow contains _ or - if I remember correctly. I just hope it helps you tackling the problem better and gives you some tools understand how you can narrow down hard-to-debug situations, even without advanced debugging techniques (which we haven't weblink You may also want to keep an eye on our Road Map, to find out what our current priority list is. 1053 3623 10/11/2015 2:02:03 PM Localization Issues This is a

Change the default value to conform to the argument’s length. Value Cannot Be Null. Parameter Name Source Entity Framework Parameter name: source 1 Fatal error on startup of C# application 2 using expression blend with .NET micro framework 0 Getting exception when inserting an entity into a EF table Related How do I solve this codility problem!!!

Shorten the argument length to a valid length for the given type according to the message.

Before posting questions here you should review the documentation about creating skins. 1248 5274 6/10/2016 4:52:23 PM Feature Requests This is a forum to suggest new features for mojoPortal. Understanding model independently the equivalence of two ways of obtaining homotopy types from categories. Do you need your password? Value Cannot Be Null. Parameter Name Source Mvc Provide a valid default value for the synchronization parameter.

Before asking questions here please first review the localization documentation. 121 555 11/8/2016 2:34:40 AM Success Stories/Testimonials If you are using mojoPortal, let me know. The datatype length of the operation argument is shorter than its ‘fill from attribute’ datatype length, and the value might be truncated. . Please do not report problems with a custom build or custom code in this forum. check over here Permalink Posted 28-Oct-13 4:46am udayams1.2K Add a Solution Add your solution here B I U S small BIG code Plain TextC++CSSC#Delphi / PascalF#HTML / XML / ASPJavaJavascriptObjective-CSQLSwiftPerlPHPPythonVBXMLvar < > &

I've seen the # issue when the aliases somehow have been messed up for some weird reason. /Jan Copy Link mithun 42 posts 63 karma points Dec 31, 2012 @ 11:16 I'm stuck here and can't compile 0 JohnHardman John Hardman GBUniversity ✭✭✭✭✭ May 2015 @GadiPaz @HenningMortensen @MarianGieseler @ab.9453 @LukeWatson @LutzMiller.1708 @LucaMarchetti.4193 @FrdricBILLAt There's a workaround for this described at https://bugzilla.xamarin.com/show_bug.cgi?id=29220 (although I also recommend developers to subscribe to email notifications in the developer forum as occasionally important things are announced. Exception Details: System.ArgumentNullException: Value cannot be null.

Hope you solve this! /Niels Copy Link mithun 42 posts 63 karma points Feb 26, 2013 @ 12:48 0 Hi Niels, Thanks ,we are trying to upgrade One think i found That was exactly it. Error: Invalid < object type > name: name cannot be empty. Parameter name: s] System.IO.StringReader..ctor(String s) +78 System.Web.FormatterWithFileInfo.GetSourceFileLine s(String fileName, Encoding encoding, String sourceCode, Int32 lineNumber) System.Web.UnhandledErrorFormatter.get_ColoredSqua reContent() System.Web.ErrorFormatter.GetHtmlErrorMessage(Bool ean dontShowSensitiveInfo) System.Web.HttpResponse.WriteErrorMessage(Exceptio n e, Boolean dontShowSensitiveErrors) System.Web.HttpResponse.ReportRuntimeError(Excepti on e, Boolean canThrow) System.Web.HttpRuntime.FinishRequest(HttpWorkerReq

Change the datatype length so they match. What you should look for is a value that becomes null and prevent that. Here's what I had in the challenge: using System; namespace Treehouse.CodeChallenges { class Program { static void Main() { var count = 0; while (true) { Console.Write("Enter the number of times Error: The mapped attribute of parameter '''' does not have length set which may cause the synchronization to fail.

Warning: Argument ‘’ should not be bound to personalization key ‘’ whose default value is set to ‘’ when its ‘Propagate to’ attribute ‘’ is a primary key. What version of .NET? I searched newsgroups and ms knowledgebase, but I did not find anything resembling my problem. ----------------------- The exception: Value cannot be null. Hi there: Well, let me start off by saying that I am a Visual Studio drag and drop weenie, not a real programmer.

Do not use transient personalization keys assigned to load arguments if the MBO uses a DCN cache group policy. Rate this: Please Sign up or sign in to vote. Warning: The default value of a non-nullable synchronization parameter should not be set to'''': ''''. Is adding the ‘tbl’ prefix to table names really a problem?

Parameter name: String at System.Number.StringToNumber (System.String str, NumberStyles options, System.NumberBuffer& number, System.Globalization.NumberFormatInfo info, Boolean parseDecimal) [0x00054] in /builddir/build/BUILD/mono-4.2.1/external/referencesource/mscorlib/system/number.cs:1080 at System.Number.ParseInt32 (System.String s, NumberStyles style, System.Globalization.NumberFormatInfo info) [0x00014] in /builddir/build/BUILD/mono-4.2.1/external/referencesource/mscorlib/system/number.cs:751 at System.Int32.Parse Insted of that you can pass the sqlcommand alone to it. The argument default value is not valid for its datatype. A non- nullable parameter is mapped to a nullable personalization key.