nullreferenceexception

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NullReferenceException when setting string wp7

var response = JObject.Parse(e); foreach (var item in _wall) { var yh = from ix in response[\"response\"][详细]

2023-03-25 03:59 分类：问答
MEF - Do imports have to be set somehow or could they possibly be null?

Basically I have the f开发者_JAVA百科ollowing: [Import] private IEventAggregator EventAggregator { get; set; }[详细]

2023-03-23 16:36 分类：问答
Object reference not set to an instance of an object... Error while using foreach [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate:开发者_开发问答 What is a NullReferenceException in .NET?[详细]

2023-03-23 06:36 分类：问答
NullReferenceException was unhandled - not sure what's null

I\'m working on building an icosphere, and I\'ve gotten as far as the draw portion of the code, but I keep getting a NullReferenceException was unhandled error.I know which bt of code it\'s pointing a[详细]

2023-03-21 04:30 分类：问答
Calling methods on a null reference in the context of a using clause is OK?

I was looking at the mvc-mini-profiler designed by the Stack Overflow team on Google Code and one thing on the getting started page struck me as particularly strange:[详细]

2023-03-18 23:33 分类：问答
Solve NullReference exception

I use crystal report to implement reporting in my c# windows application.I create a form to show print preview of Report.I use following code to show preview:[详细]

2023-03-18 05:20 分类：问答
Object reference not set to an instance of an object [duplicate]

This question already has answers here: What is a NullReferenceException, and how do I fix it? (27 answers)[详细]

2023-03-16 19:45 分类：问答
nullreferenceexception in visual studio [duplicate]

This question already has answers here: What is a NullReferenceException, and how do I fix it? (27 answers)[详细]

2023-03-16 17:15 分类：问答
NullReferenceException on a conditional null check?

I\'m trying to fix a bug that I cannot reproduce (yipeee!).I have the stack trace that was copied by the user that originally discovered the issue, and it shows the code throwing a null reference exce[详细]

2023-03-16 15:53 分类：问答
Null Reference Literal Control

I am trying to pass text to a Literal, the parent.master has the ContentTemplateID\'s and the Child.master has the contentID\'s, one of them is the literal of form[详细]

2023-03-16 05:45 分类：问答