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Value Cannot Be Null. Parameter Name Datamember

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not Test or test_ or something else?? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items. But for me it was just a mismatch between service method parameter names an those of the contract. 15 May 2013 at 08:56 Fatma Amin said... Thanks,Dmitry Show all comments Leave a Comment You must log in or register to leave comments 0Solutions Creation Date Rating Importance Sort by Duplicated Question ID: Q432307 Created On: 09.18.2012 Modified weblink

On the client side we were using the asynchronous version of the operation, so it was the Begin[Operation] method that I'd corrected. I passed this thread to our R&D team. Anyhow, thanks again for trying. 0 LVL 21 Overall: Level 21 Visual Basic.NET 6 Message Accepted Solution by:Yurich2005-11-16 Yurich earned 125 total points Comment Utility Permalink(# a15306291) well... Clean and Rebuild to make definitely sure the change had stuck.

Value Cannot Be Null. Parameter Name Instance

Hence my question. –JME Nov 16 '15 at 12:08 @JME are you sure you didn't do something else as well? You should start from Tools.ToolConvert.GetMetadata method and check when it returns null. Watch a video on how to optimize your support resource searches and check out more tips on the blogs. I never gets this error in development.

In conclusion, for all you googlers: If your WCF service is receiving null values instead of the parameters you are expecting, check that the parameter names on your methods on the Parameter name: datasource") and if I change the above line to: firstNameTextBox.DataBindings.Add("text", currentDataset, "clientName") The exception that I get this time is "Cannot bind to property or column clientName on datasource. It occurs exactly as Ilya says above.My only solution for an XAF report is to export it to a repx file, and remove any lines that say "DataMember = null" then Value Cannot Be Null. Parameter Name Value Likewise - you saved me.

Nice save. 12 August 2012 at 15:12 Martin said... Value Cannot Be Null. Parameter Name Source The designer in Visual Studio doesn't work for this user control, but everything works as intended at runtime. regs, yurich 0 Featured Post Enabling OSINT in Activity Based Intelligence Promoted by Recorded Future Activity based intelligence (ABI) requires access to all available sources of data. I had a mistake in creating my model, the OnContextCreated.

Kind regards, Steve the Telerik team Do you want to have your say when we set our development plans? Value Cannot Be Null Parameter Name Path Lab colleague uses cracked software. Your solution helped! Get 1:1 Help Now Advertise Here Enjoyed your answer?

  • It happens sometimes, and I suspicious of my code that still have thread running while I close my Application.
  • Scheduling a task into a period within a day, depending on whether or not it is a weekend What is the point of update independent rendering in a game loop?
  • It seemed to be caused by some bug in report designer in version 12.2.5 (seems fixed in 12.2.6).
  • Years later and you're still saving lives...thanks for this post Sam! 17 April 2014 at 18:45 Rui Mestre said...
  • Dmitry Tok (DevExpress Support) 09.30.2014 Hello Egor,No, I'm afraid that this hotfix won't be helpful since this issue was fixed only in version v14.1.7.
  • thanks you save my life too! :) 8 July 2010 at 04:58 Anonymous said...

Value Cannot Be Null. Parameter Name Source

Privacy Policy Site Map Support Terms of Use skip to main | skip to sidebar Samuel Jack's light-hearted take on software development Pages Blog Hire Me Contact Me Simon Squared Friday, And then the final ray of light. Value Cannot Be Null. Parameter Name Instance KS 165 posts Member since: Oct 2012 Posted 29 May 2013 Link to this post I believe he meant the latest reporting version. : Value Cannot Be Null. Parameter Name: Input You solved my problem! 19 May 2014 at 22:49 jagdishkholiya said...

For me the reason was that WCF service (.NET 4.0) used DataContractSerializer by default. have a peek at these guys It took 2 weeks for me to figure out that! So maybe the refernce update should be market / highligted as solution to this problem? ​ Ab 11 posts Member since: Jul 2013 Posted 14 May 2015 in reply to Michael Intercepting the http traffic with the help of the wonderful Fiddler (and a useful article about Fiddlering .Net by Rick Strahl) confirmed that a serialized version of the parameter was indeed Value Cannot Be Null C#

Updated the file and references - good to go. If possible, please update my sample to illustrate the problem. Parameter name: value, CreateIdentityAsync?-3Value cannot be null. check over here Why would a TODO comment generate such an error? –JME Nov 16 '15 at 12:05 @JME A TODO is just a reminder - it doesn't do anything.

asked 1 year ago viewed 39601 times active 5 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Visit Chat Related 213How would you do a “not in” query Value Cannot Be Null. Parameter Name Path1 Was it legal to rant against trick or treating via loudspeaker during halloween? Parameter name: source”1LINQ Entity Framework Value cannot be null.

Source is the enumerable you are enumerating.

Nick Blake 1 09.12.2014 I am experiencing this problem too, in DX 14.1.6. This rule does nothing and is not used anywhere. In practice, this means that you can take any code you find here and freely use it in your own projects, commercial or otherwise. Value Cannot Be Null. Parameter Name Value C# i had this error (cannot create...) some time ago and can't remember what it was....

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Forcing everyone to speak the same language Find a mistake in the following bogus proof Departing from airport before visa is valid, but arriving when it is Is it possible for But do you think that maybe my variable is still locating in memory with value null? –mrhands Feb 16 '15 at 9:23 @mrhands I'm 100% sure that ListMetadataKor is this content Your Privacy - Legal Statements Copyright © 1998-2015 Developer Express Inc.All trademarks or registered trademarks are property of their respective owners current community chat Stack Overflow Meta Stack Overflow your communities

Parameter name: pattern1Crystal Reports - Value cannot be null. When you completely delete and add the service reference a new reference file will be created, there after the values will not be null. It is necessary to upgrade to this version to overcome the described behavior.DevExpress supports and updates the latest version and the previous major one. Do you assign listMetadataKor variable in that case?

or that something changed between when you last got the error and when it succeeded? –user1666620 Nov 16 '15 at 12:10 Quite sure. Saved your job?! I'm getting this error now. QGIS Print composer scale problems Why do some banks have more than one routing number in the US?

Vincent Gross 1 posts Member since: Dec 2008 Posted 29 Mar 2010 Link to this post I am also running into this same error on my Windows 7 64-bit machine.  It I succeeded in finding a solution and fixed the issue with this (with the original build undergone none of the above): · Open up the project -> Telerik -> Reporting -> Shen 2 posts Member since: Dec 2012 Posted 05 Dec 2012 Link to this post Experienced the same issue. thanks ... 9 September 2010 at 14:37 Lisa said...

Huh? About Us Connect with DevExpress BlogsUpcomingEventsTrainingWebinars Learn More about DevExpress About Us News User Comments Case Studies Our Awards Reviews & Publications MVP Program Contact Us Support Center FAQ Training Events Elliot (DevExpress Support) 02.11.2013 At present, I am unable to reproduce the problem you described. The problem turned out to be that the name of the parameter on the client version of the contract was different to that on the server version of the contract.