nullreferenceexception

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NullReferenceException makes me want to shoot myself

Ok, so once upon a time, my code worked. Since then I did some refactoring (basic stuf开发者_运维问答f so I thought) but now I\'m getting a null reference exception, and I can\'t bloody well figure ou[详细]

2023-02-01 12:18 分类：问答
NLog GetCurrentClassLogger() NullReferenceException using StructureMap (Full Trust)

It seems like NLog can\'t use reflection for GetCurrentClassLogger(), even though my MVC 3 app is deployed in a Full Trust environment on IIS7. I\'m using StructureMap 2.6.1 and the problem seems to a[详细]

2023-02-01 03:26 分类：问答
Page.User.Identity.IsAuthenticated returns object reference not set to instance of object

this works fine on my local site but as soon as i upload the site to my live server i get stem.开发者_开发问答NullReferenceException: Object reference not set to an instance of an object[详细]

2023-02-01 03:17 分类：问答
How do I allow breaking on 'System.NullReferenceException' in VS2010?

I have a VS 2010 C# .NET 4 project. The iss开发者_运维百科ue is that the program is not breaking on \'NullReferenceException\' errors during debugging.[详细]

2023-01-31 00:05 分类：问答
Object reference not set to an instance of object when using a List<T> in C# [duplicate]

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

2023-01-30 19:47 分类：问答
NullReferenceException while Reading XML File with Linq (C# 4.0)

I\'m completely stumped, I\'ve used very similar code before and it worked perfectly, the XML in this was written by a separate method in this program and I checked it against it and it looked fine[详细]

2023-01-30 18:38 分类：问答
Simple null reference bug thats killing me (Java)

Alright so I am messing around with some code in java and I am getting a wierd error. I have my class Chaos which has a Window variable FSW, public as well. Now I have another class called Look. Chaos[详细]

2023-01-30 07:41 分类：问答
ReSharper: how to remove "Possible 'System.NullReferenceException'" warning

Here is a piece of code: IUser user = managerUser.GetUserById(UserId); if ( user==null ) throw new Exception(...);[详细]

2023-01-29 08:22 分类：问答
NullReferenceException when appending attribute to the element in xml using c#

I get a NullReferenceException when trying to append element to its parent to element, like this XmlDocument dartDatabase = new XmlDocument();[详细]

2023-01-28 17:55 分类：问答
ASP.NET NullReferenceException for get_Session()

public class MessageHelper : System.Web.UI.MasterPage { public MessageHelper() { } public string Message { set { Session[\"Message\"] = value; }[详细]

2023-01-28 14:18 分类：问答