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Value Cannot Be Null. R Nparameter Name Source


Any ideas? ...thank in advance!!! "I know" as in "I actually read out the values an checked it" or as in "I believe me and my fellow programmers didn't made anything Exception Details: System.ArgumentNullException: Value cannot be null. I've changed it from this: public List GetTagNumbersByTagType() { TagNumberRepository tagNumber = new TagNumberRepository(context); var query = from t in base.GetAll() join tn in tagNumber.GetAll() on t.TagTypesID equals tn.TagTypeRef //into cc I just removed the stupid table from the include list and I am good to go. check over here

See more: C# ASP.NET MVC I am having this error how to resolve it... What happens if there is exception in loading data tables or running ToolConvert methods? Thanks a lot :D –mrhands Feb 17 '15 at 1:05 | show 2 more comments up vote 3 down vote Value cannot be null. In the context of this quote, how many 'chips/sockets' do personal computers contain?

Value Cannot Be Null. Parameter Name Source In C#

You can then change your lambda to x.Name == (EachScheduleType.Name??string.empty) AndAlso x.Id == (EachScheduleType.Id??string.empty)). but sometimes in other computer it doen't work. Both properties are strings yes. Parameter name: source Description: An unhandled exception occurred during the execution of the current web request.

etc, I am indeed using a lambda expression. Problem with function inside brackets. Browse other questions tagged c# asp.net-mvc entity-framework or ask your own question. Value Cannot Be Null Parameter Name Inner share|improve this answer answered Feb 16 '15 at 9:19 Sergey Berezovskiy 138k18194264 I don't know how to check it.

Sharepoint 2013: Rest API - does header need to include X-RequestDigest? you are expecting id in Edit action in the get too. Single word for the act of being susceptible? The errors I was seeing are as follows: Case 1 -> when using DBContext for EDM Message=Value cannot be null.

Parameter name: entitySet-10System.ArgumentNullException: Value cannot be null. Value Cannot Be Null Parameter Name String My schema looks like every column can be null. –danielovich Apr 29 '13 at 14:34 1 Could you post your connection string? –anaximander Apr 29 '13 at 14:37 add a But if the data in the database says it shouldn't be empty then your query is wrong. Not the answer you're looking for?

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  2. So I've finnaly figured out where exactly it comes from...
  3. This is the sql query that brings both the TagType (all data) and tagSerialNumber from tagNumber table back: (this is what I'm trying to do....) Can you see any fault in
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  6. Parameter name: source var i = (from r in sound.LocationGroups where r.Id == item.Id select r).FirstOrDefault(); Obviously this message seems to be perfect and clear in describe situation but in debbuging
  7. protected void Data_Grid_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("detail")) { int index = Convert.ToInt32(e.CommandArgument); string code = Data_Grid.DataKeys[index].Value.ToString(); IEnumerable query = (from i in dt.AsEnumerable() where i.Field("ID_NUM").Equals(code) select i); DataTable detailTable
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  9. Parameter name: ms_no Value cannot be null.

Value Cannot Be Null C#

Insults are not welcome. Please review the stack trace for more information about the error and where it originated in the code. Value Cannot Be Null. Parameter Name Source In C# When does TNG take place in relation to DS9? Value Cannot Be Null. Parameter Name Collection Parameter name: source?30Value cannot be null.

Sign in using Search within: Articles Quick Answers Messages Use my saved content filters home articles Chapters and Sections> Search Latest Articles Latest Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update check my blog Not the answer you're looking for? All rights reserved. Stack Trace: [ArgumentNullException: Value cannot be null.<> Parameter name: source] System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source, Func`2 predicate) +467 DotNetNuke.Entities.Portals.PortalAliasController.GetPortalAliasLookupInternal(String alias) +95 DotNetNuke.Entities.Portals.PortalAliasController.GetPortalAliasInternal(String httpAlias) +31 DotNetNuke.Entities.Portals.PortalAliasController.GetPortalAlias(String alias) +5 DotNetNuke.Entities.Portals.PortalSettings.GetPortalAliasInfo(String portalAlias) +26 Active.Modules.Forums.ForumsReWriter.OnBeginRequest(Object s, EventArgs e) Value Cannot Be Null. Parameter Name Source Entity Framework

Parameter name: source8How to resolve Value cannot be null. Because you can't do anything with a null Reference other than assign it - something and that makes no sense for most functions. Any ideas? ...thank in advance!!! this content Let's work to help developers, not make them feel stupid.

Fact is, and remains, that one of your value is null that shouldn't be. Value Cannot Be Null. Parameter Name Source Mvc Rising Storm Technologies Edited by linkit Tuesday, February 12, 2013 8:04 AM more info Tuesday, February 12, 2013 7:38 AM Reply | Quote 0 Sign in to vote Hi, Thanks for Note, LinqPad has a compatibility option if you want it to generate a model like that, but probably doesn't do this by default, which might explain it doesn't give you the

in expression 1 Property containing subset of related object Related 0Value cannot be null, parameter name: source1LINQ Entity Framework Value cannot be null.

It happens when I open in 2nd or more. Parameter name: source StackTrace: at System.Linq.Queryable.Any[TSource](IQueryable`1 source, Expression`1 predicate) at ietCCHPluginsCampaign.ViewModels.EditCampaign.EditCampaignViewModel.RefreshScheduleTypes() in D:\Trunk\Projects\CCH\Plugins.Campaign\iet.CCH.Plugins.Campaign\ViewModels\EditCampaign\EditCampaignViewModel.vb:line 415 at ietCCHPluginsCampaign.ViewModels.EditCampaign.EditCampaignViewModel.OnViewLoaded(Object view) in D:\Trunk\Projects\CCH\Plugins.Campaign\iet.CCH.Plugins.Campaign\ViewModels\EditCampaign\EditCampaignViewModel.vb:line 281 at Caliburn.Micro.Screen.<>c__DisplayClass12.b__11(Object , RoutedEventArgs ) Source of this error comes from SELECT TagTypes.* FROM TagTypes INNER JOIN TagNumbers ON TagTypes.TagTypesID = TagNumbers.TagTypeRef Thanks so much for all the help!!! Value Cannot Be Null Parameter Name Method Mark Reply bruce (sqlwo...

Thanks for your reply!!! Teenage daughter refusing to go to school Vent kitchen hood vent to roof turbine vent? Remove User_Id parameter from the Edit post action and check the FormCollection to see if you see the hidden field User_Id Member 10740412 3-Nov-15 8:13am now i tried this have a peek at these guys All-Star 44464 Points 9442 Posts Re: Value cannot be null.\r\nParameter name: source Dec 19, 2013 11:18 AM|bruce (sqlwork.com)|LINK you need to show the code for BlogContext as its the code trhowing

Parameter name: source] at Program.Main(): line 11 Here in your case ListMetadataKor is null. Can you dispel a magic effect you can't perceive? GO OUT AND VOTE How do I make an alien technology feel alien? Really appreciate it all!!!!

How to capture disk usage percentage of a partition as an integer? Not sure why though, but everything works now.... Member 11 Points 15 Posts Re: Value cannot be null.\r\nParameter name: source Feb 26, 2014 04:41 AM|George_DSOftZA|LINK If dt is a DataTable then first check if it is null, only then The best approach (if you control the code that generates the collection) is to make it a coding practice to NEVER RETURN A NULL COLLECTION, EVER.

Parameter name: source stacktrace of [ArgumentNullException: Value cannot be null. How to handle a common misconception when writing a Master's thesis? How do you get your user id? Convert.ToInt32(dataTable.Rows[i][PAGE]) : (int?)null; k.Perlakuan = dataTable.Rows[i][PERLAKUAN].ToString(); k.RelFields = dataTable.Rows[i][RELFIELDS].ToString(); k.Rule = dataTable.Rows[i][RULE].ToString(); if (dataTable.Rows[i][LEVEL].ToString().ToUpper() == ("ART")) k.LevelKonsistensi = LevelKonsistensi.ART; else if (dataTable.Rows[i][LEVEL].ToString().ToUpper() == ("RT")) k.LevelKonsistensi = LevelKonsistensi.RT; else if (dataTable.Rows[i][LEVEL].ToString().ToUpper() ==

At a guess, you'll need something like this: