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Value Cannot Be Null Parameter Name Source


Looks like you should return empty list in that case –Sergey Berezovskiy Feb 16 '15 at 9:27 Ok.. Wich means "it's not containing/pointing too anything". Change your parameter from user_Id to User_Id (Uppercase U) also try with string type instead of int 2. Parameter name: String Value cannot be null. his comment is here

Thanks so much for all the help! Then the debugger will break inside the .NET method if it isn't your own. Try this @Html.ActionLink("Edit", "Edit", new { [email protected] }) Member 10740412 3-Nov-15 11:32am I tried but it didn't work Member 10740412 3-Nov-15 11:33am fhdgfdfsjdsjfjsd Member 10740412 3-Nov-15 11:49am That was exactly it.

Value Cannot Be Null C#

You should start from Tools.ToolConvert.GetMetadata method and check when it returns null. John C Rayan 3-Nov-15 9:31am You have to debug and see if r.Role in new SelectList(r.Role.OrderBy(p => p.RoleName), "RoleID", "RoleName"); is not null. Not the answer you're looking for?

  • Parameter name: source?30Value cannot be null.
  • The error you're getting is that it is null.
  • Convert.ToInt32(dataTable.Rows[i][ORDER]) : (int?)null; k.Page = !required.Contains(dataTable.Rows[i][PAGE]) ?
  • Do the same as above for other places in the LINQ statements that can end up null (just about everything).
  • The challenge does not require that you re-ask for input if the first one failed the validation.
  • Since sound.LocationGroups is null the exception is coming from the extension method (I'd guess Where) that the linq statement gets compiled to.
  • Groups = new List(); if (allGroups !=null) { foreach (var item in allGroups) { var i = (from r in sound.LocationGroups where r.Id == item.Id select r).FirstOrDefault(); Groups.Add(new SoundLocationGroupViewModel() { LocationGroupId
  • Monday, February 11, 2013 1:12 PM Reply | Quote 0 Sign in to vote I did read the values and checked it, all the data is correct...

As a monk, can I use Deflect Missiles to protect my ally? Error is as follows: Value cannot be null. I was chasing my tail for this error almost 2 days and was always thinking something big and looking for the classes that might be the issue and finally i found Value Cannot Be Null. Parameter Name Source Entity Framework If the data loads then you have a context lifetime issue.

Rising Storm Technologies Tuesday, February 12, 2013 8:13 AM Reply | Quote 0 Sign in to vote That (having to name both identical) doesn't sound quite right. Value Cannot Be Null. Parameter Name Collection Parameter name: source8MVC3 asp.net error: Value cannot be null. The ORM is EF. It's a method that takes a parameter with the name "source".

Parameter name: ms_no Value cannot be null. Value Cannot Be Null Parameter Name String where did you change to user_id. Are keywords in resolv.conf case sensitive? How do I deal with my current employer not respecting my decision to leave?

Value Cannot Be Null. Parameter Name Collection

You should confirm this by setting a BP on the line that is going to blow up and then examining the value of TagNumbers. Is it possible to sheathe a katana as a free action? Value Cannot Be Null C# Appreciate it!!!! Value Cannot Be Null Parameter Name Input How to capture disk usage percentage of a partition as an integer?

Erik Ralston 1,510 Points Erik Ralston Erik Ralston 1,510 Points 11mo ago Steven, Thank you! this content By that I mean that you replace this: select new { SaleID = sale.OrderID, LineItem = GetLineItem(sale.LineItems) }; with something like this: select new { SaleID = 123, LineItem = GetLineItem(new Parameter name: source? 0 Getting exception when inserting an entity into a EF table 3 Entity Framework Code First connection 4 Outlook REST API error when filtering by attendee: “Value cannot more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Value Cannot Be Null. Parameter Name Value

Professor Lewin: "Which string will break?" / Me: "That one." / Professor Lewin: "Wrong!" Two-way high power outdoor Wi-Fi Someone peeled an American flag sticker off of my truck. Browse other questions tagged c# asp.net-mvc entity-framework or ask your own question. How to prove that authentication system works, and that the customer is using the wrong password? weblink The errors I was seeing are as follows: Case 1 -> when using DBContext for EDM Message=Value cannot be null.

Join them; it only takes a minute: Sign up How to resolve Value cannot be null. Value Cannot Be Null. Parameter Name Viewinfo Any ideas, it's late and would really appreciate if someone suggest me a hint how to fix this in tommorow morning cofee. Let's work to help developers, not make them feel stupid.

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Note that empty is quite a bit different than null. It happens sometimes, and I suspicious of my code that still have thread running while I close my Application. Teenage daughter refusing to go to school Sharepoint 2013: Rest API - does header need to include X-RequestDigest? Value Cannot Be Null. Parameter Name Value C# If the data loads then you have a context lifetime issue.

So just eliminate your loop: namespace Treehouse.CodeChallenges { class Program { static void Main() { var count = 0; Console.Write("Enter the number of times to print \"Yay!\": "); var entry = For demonstration below code will result in such an exception. Thanks a lot :D –mrhands Feb 17 '15 at 1:05 | show 2 more comments up vote 3 down vote Value cannot be null. check over here 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

Member 10740412 3-Nov-15 6:19am its giving me exception over this line....Value cannot be null ViewBag.RoleId = new SelectList(r.Role.OrderBy(p => p.RoleName), "RoleID", "RoleName"); John C Rayan 3-Nov-15 6:37am I went a bit further then I'd normally go with the long-extended answer. Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI Posting to the forum is only allowed for members with active accounts.

Parameter name: constructor0Value cannot be null. On the model of the TagTypes, there is a public virtual navigation to the tagNumbers [DataMember] public virtual List TagNumberss { get; set; } when removing the List<> and only making You can do it like this: if (dt.Rows.Count > 0) { //Do something with this dt } else { // cannot proceed} ‹ Previous Thread|Next Thread › This site is Because you can't do anything with a null Reference other than assign it - something and that makes no sense for most functions.

private Table m_subscriptionsSql; var query = from SubscriptionModel subscription in m_subscriptionsSql ...