Value Cannot Be Null. Parameter Name Objecttype

Hadib Ahmabi 181 posts Member since: Nov 2011 Posted 24 May 2013 Link to this post Try installing the latest version (Service Pack 1). JMC does tend to be a bit short with people who do such a poor job of asking a question (though it depends on the day), but that hardly justifies you Based on your comment, I will close this feedback. In my case, I didn't have a binding source event like you did, but I still had the problem. –StevieTimes Oct 14 '14 at 21:19 For my problem (for navigate here

Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by: Value cannot be null. Parameter name: objectType Asked By julie on 29-Nov-10 01:16 AM Instances of this error (1) 1. Did you add "Handles blahblahblah", or did you remove the "Handles" keyword? –StevieTimes Oct 15 '14 at 14:47 Yeah, look, there are two options equally valid in VB.NET a) Scenario: (VS 2010 with SP1) ClassLibrary1, Form1.vb has Button1.

Visual Studio Value Cannot Be Null Parameter Name Path1

If you use RadForm or if you want to make changes at design time, you need to add the Telerik.WinControls.UI.Design.dll when working with version different from installed one. Unlike me, you have your source code before your eyes. Button1 has access modifier as Protected ClassLibrary2, Form2.vb has Button2. See Trademarks or appropriate markings.

1. I have tried another machine and still the problem persist.I am not sure how to get my old reports to show up in the Visual Studio.Here is the call stack from the
2. But if this is your litle clubhouse and you do not want anyone else posting here I will more than happily refrain.
3. The error is caused when have installed one version of controls in GAC and the project references another version of the dlls.
4. Parameter name: objectType at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetRuntimeType(Type objectType) at System.ComponentModel.TypeDescriptionProvider.GetRuntimeType(Type reflectionType) at Microsoft.VisualStudio.Design.MultiTargetingContextProvider.GetRuntimeType(Type objectType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetFieldType(String fieldName, Type documentBaseType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetReferencedComponentType(String componentName, CodeTypeDeclaration codeTypeDecl, ITypeResolutionService loader, IDictionary& cache) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.ParseHandlesClauses(CodeTypeDeclaration codeTypeDecl, Boolean updateCache)
5. Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items.
6. What is this line of counties voting for the Democratic party in the 2016 elections?
7. This is now a couple years old and should be left to die a natural death, yet somebody resurrected it to use their first post to complain about JMC being sarcastic?!?!

where is it? When I turn it on everything works perfectly.Wanted to let everyone know and wanted Microsoft to know so they can back port whatever that feature is doing under the hood back Insults are not welcome. Visual Basic Value Cannot Be Null deleted it and typed it back in)Then closed code and form design saving on the way.This fixed the problem.

Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! Visual Studio Value Cannot Be Null. Parameter Name Solutiondirectory When answering a question please: Read the question carefully. Not the answer you're looking for? Thanks Indudhar 1 posts Member since: Aug 2015 Posted 16 Dec 2015 in reply to Ralitsa Link to this post Thank You...It worked for me as well Back to Top Close

Parameter name: objectType at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetRuntimeType(Type objectType) at System.ComponentModel.TypeDescriptionProvider.GetRuntimeType(Type reflectionType) at Microsoft.VisualStudio.Design.MultiTargetingContextProvider.GetRuntimeType(Type objectType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetFieldType(String fieldName, Type documentBaseType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetReferencedComponentType(String componentName, CodeTypeDeclaration codeTypeDecl, ITypeResolutionService loader, IDictionary& cache) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.ParseHandlesClauses(CodeTypeDeclaration codeTypeDecl, Boolean updateCache) Value Cannot Be Null Parameter Name Content Type You need to follow these steps to remove the error: 1. dsb 4 posts Member since: Oct 2008 Posted 22 Jul 2010 Link to this post Never mind. Lo and behold, when I tried bringing the form up in the designer it loaded ok.

Visual Studio Value Cannot Be Null. Parameter Name Solutiondirectory

Watch a video on how to optimize your support resource searches and check out more tips on the blogs. Code: Public Class Form1 Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) End Sub Private Sub radOnSurface_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) COPsecim() End Sub Private Sub Visual Studio Value Cannot Be Null Parameter Name Path1 Thank you, Mehdi. --SA Dale Seeley 5-Oct-11 17:07pm I am still unsure as to why its null and the name labelX12 was dimed as a string but overlooked renaming Visual Studio Value Cannot Be Null Parameter Name Project Guess what?

Alex 3 posts Member since: Feb 2013 Posted 21 May 2013 Link to this post i Just happen to try to add a report (VS 2010, and Windows 2003) and I http://softwaredevelopercertification.com/value-cannot/value-cannot-be-null-parameter-name-value-vb-net.php During my coding, I happen to get this error continuously. restart vb and it will say it has resolved a namespace error 3. Form2 inherits Form1, so Form2 has now Button1 of inherited form1 and its own Button2 also there. Visual Studio 2015 Value Cannot Be Null Parameter Name Path1

My usual boring signature: Nothing Reply With Quote Feb 14th, 2013,07:10 PM #24 jmcilhinney View Profile View Forum Posts Visit Homepage .NUT Join Date May 2005 Location Sydney, Australia Posts 93,756 In the end I deleted all the code in the offending forms class, having copied it first, opened up the designer and then went bact to the vb form and pasted How do you enchant items with Lapis Luzuli? http://softwaredevelopercertification.com/value-cannot/vb-net-value-cannot-be-null-objecttype.php SUPPORT US 扫一扫关注微信公众号 课程铺子, 可能是个更懂你的课程搜索引擎。 © 2016 课程铺子 [email protected] 课程铺子上线315天 课程铺子，每天陪你进步一点 冀ICP备16011938号-2

See it or post it here. #define true ((rand() % 2)? Visual Studio Value Cannot Be Null Parameter Name Compositionservice Progress, Telerik, and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. Rate the posts that helped you!

So, I then went back into the editor and selected all the code lines that I previously commented out and then used the Ctrl-K Ctrl-U editor shortcut to uncomment the lines.

Some forms are opened normally, but some give the mentioned mistake. Parameter name: source Value cannot be null. Stevie's answer allows you to keep the forms event in tact. –Jeremy Thompson Mar 26 '15 at 23:12 Oh, and Stevie's answer was not a solution to my particular Value Cannot Be Null Parameter Name Moniker Privacy statement Help us improve MSDN.

this is what I did after receiving the "value cannot be null" error if you need more info just reply and i'll get back to you. Parameter name: instance I tried reinstalling the latest version of reporting but that did not fix it. But in what place I must change a class modifier? weblink To write Partial Public instead of Partial ?

Evaluating Expressions | Simple POP3 Protocol Realization | Timers explained | Delegates explained | A secure login to your app sample | Numeric Textbox | Printer.Print (or I miss VB6 printing Please give us a demo project to demonstrate this issue so that we can conduct further research.It would be greatly appreciated if you could provide us with that information as quickly Marcus 15 posts Member since: Dec 2007 Posted 13 Jun 2010 Link to this post Hi there,I was getting this error too, but deleting the resx file, rebuilding my project and I voted 4. --SA Dale Seeley 5-Oct-11 17:11pm Thank you guys very much I appricate this allot I have changed the code as mehdi has said and even thoe

Check this link which discussed the same; http://social.msdn.microsoft.com/forums/en-US/vsx/thread/dbe2e211-2263-4dee-8e0d-428cabe8119b/ 12,582,190 members (54,895 online) Sign in Email Password Forgot your password? Here is the call stack of my particular error: at System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType) at System.String.Contains(String value) at Final_test.Form1.ScanScanner(String dir) in C:\Users\Admin\Documents\Visual Studio 2010\Projects\Final test\Final test\Form1.vb:line 155 Show Call Stack at System.ComponentModel.TypeDescriptor.AddAttributes(Object instance, Attribute[] attributes)at Microsoft.VisualStudio.Design.VSDesignSurface.CreateDesigner(IComponent component, Boolean rootDesigner)at System.ComponentModel.Design.DesignerHost.AddToContainerPostProcess(IComponent component, String name, IContainer containerToAddTo)at System.ComponentModel.Design.DesignerHost.PerformAdd(IComponent component, String name)at System.ComponentModel.Design.DesignerHost.System.ComponentModel.Design.IDesignerHost.CreateComponent(Type componentType, String name)at System.ComponentModel.Design.Serialization.DesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String true: false) // Debug THAT!