Friday, August 30, 2013 2:44 PM Reply | Quote 0 Sign in to vote Ok. Storage of a material that passes through non-living matter Find the function given its Fourier series How to use namedpipe as temporary file? Parameter name: type] System.Activator.CreateInstance(Type type, Boolean nonPublic) +2796915 System.Web.Profile.ProfileBase.CreateMyInstance(String username, Boolean isAuthenticated) +76 System.Web.Profile.ProfileBase.Create(String username, Boolean isAuthenticated) +312 I found the solution, but it's far from being obvious (see my answer It was working fine previously but now giving the error that value type can't be null. this contact form
User ProfileView All Posts by UserView Thanks Rss Feed Atom Feed Users browsing this topic guest (2) YAF.NET Support Forum » YAF Support » YAF Installation/Setup » Value cannot be null. Parameter name: type. How to NOT render a part of a document Why are Squibs not notified by the Ministry of Magic Teenage daughter refusing to go to school How can I check that share|improve this answer answered Feb 19 '10 at 23:56 Nick Craver♦ 435k8510641013 add a comment| up vote 0 down vote It looks like Type.GetType("classPrefix_" + className) is returning null.
c# reflection class instance argumentnullexception share|improve this question edited Sep 10 '11 at 20:19 asked Feb 19 '10 at 23:51 Tim Cooper 87.5k21164181 Well... asp.net profile web-deployment-project activator share|improve this question asked May 29 '09 at 15:53 mbillard 23.7k145987 add a comment| 3 Answers 3 active oldest votes up vote 2 down vote accepted The I have changed my class in config from MoveFile to MoveFile.Move
Profiles weren't active before. any ideas? See the parameters section of the previous link. What Does Value Cannot Be Null Mean In a company crossing multiple timezones, is it rude to send a co-worker a work email in the middle of the night?
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 System.argumentnullexception Value Cannot Be Null. Parameter Name Source Are you sure you typed it correctly? Problem creating the instance something like that. Parameter name: type] System.Activator.CreateInstance(Type type, Boolean nonPublic) +7470086 System.Activator.CreateInstance(Type type) +6 CKFinder.Connector.Connector.LoadPlugins() in E:\DMGNEW\4_Code\DMGWeb\ckfinder\_source\Connector\Connector.cs:96 CKFinder.Connector.Connector.OnLoad(EventArgs e) in E:\DMGNEW\4_Code\DMGWeb\ckfinder\_source\Connector\Connector.cs:121 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627 [ArgumentNullException: Value cannot be null.
Check: Is Derived in the same assembly as the calling code? System.argumentnullexception: Value Cannot Be Null. Parameter Name: Input a.GetType(yournamespace.yourclass); Friday, August 30, 2013 2:12 PM Reply | Quote 0 Sign in to vote Hi Magnus, Thanks for replying! Parameter name: type". I had to put Namespace.className –Tim Cooper Feb 20 '10 at 0:05 @Tim Cooper - No problem, glad to help @itowlson - Thanks, I have updated my answer to
Parameter name: type0Value cannot be null, parameter name: source40Value cannot be null. The Api documentation on the method which may give some more insite. Value Cannot Be Null. Parameter Name Type C# Check what Type.GetTypeFromProgID(objectName) returns, and act accordingly. System.argumentnullexception Value Cannot Be Null In C# share|improve this answer answered Feb 19 '10 at 23:56 Otávio Décio 54.5k9125190 add a comment| up vote 0 down vote This is because the Type.GetType(classHere) didn't find anything, are you sure
Or even a Dictionary
Why the user John is not being called from the group user? –user1528803 Jul 17 '12 at 8:46 @user1528803 to answer that, I'd need to see where it says Browse other questions tagged c# reflection class instance argumentnullexception or ask your own question. Not the answer you're looking for? navigate here Make a copy of bin\YAF.Providers.dll in bin\providers\YAF.providers.binAwesome!
Make sure it is actually a prog-id, and that you are using that API correctly. System Argumentnullexception Value Cannot Be Null Parameter Name Value You cannot delete your posts in this forum. Join them; it only takes a minute: Sign up Activator.CreateInstance failing up vote 4 down vote favorite I have am creating an Instance dynamically using Activator.CreateInstance.
Depalindromize this string! If you install a plain "public templates" site on the server... Site Map | Printable View | Design by creative & it consulting | © 2009 - 2016 Florian Morrenth Log In Register Toggle navigation Home Source (GitHub) Download Features Forum Support http://knowaretech.com/cannot-be/1048-column-cannot-be-null.html Marked as answer by BonnieBMVP, Moderator Saturday, August 31, 2013 12:52 AM Friday, August 30, 2013 8:41 PM Reply | Quote All replies 0 Sign in to vote The error occurs
Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? Check this: http://forums.l-space-design.com/blogs/day_of_the_developer/archive/2006/08/12/223.aspx Hope it helps Zhao Ji Ma Sincerely, Microsoft Online Community Support “Please remember to click “Mark as Answer” on the post that helps you, and to See AssemblyQualifiedName. Parameter name: source10Value cannot be null.
Find the function given its Fourier series Teenage daughter refusing to go to school Am I interrupting my husband's parenting? White ring of pus forming around branches Algorithm of checking whether an element is present in a merkle tree Why do I never get a mention at work? eg: Mammal mb; switch(MammalType) : case Cat: mb = new Cat(); break; case Dog: mb = new Dog(); I was asking if i can somehow retrieve the name of the enum How do I sort files into a sub-folder based on filename part?