nullreferenceexception

Foreach loop causes NullReferenceException

At the top of my code (before constructor) I write: String[] CAN = null; This string array is updated in another function.[详细]

2023-04-11 07:00 分类：问答

how to access the dynamically created HTML control from code behind in asp.net

i have a webpage, wherein i am using a simple foreach loop and creating table structure, wherein i am displaying an image in td, the requirement is i want to access the imag开发者_如何学Goe created in[详细]

2023-04-09 17:48 分类：问答

warning occurring following move from classic to integrated on IIS7

I have migrated my c# asp.net web application from .net 3.5 to .net 4.0 and also changed the IIS7 application pool it runs to be Integrated rather than classic. The site runs fine but I have found the[详细]

2023-04-08 06:22 分类：问答

Managed C++, Object reference not set to an instance of an object

I\'ve run into this problem before, but never in a situation like this. I\'m completely confused. As the question states, I\'m getting the runtime error \"Object reference not set to an instance of an[详细]

2023-04-08 05:12 分类：问答

NullReferenceException in C# when dealing with Streams?

So, I\'m pretty new to all this network programming, and I have a few questions... I\'m building a client-server chat application, wherein the server is running, the client(s) connect(s) to the serve[详细]

2023-04-07 05:52 分类：问答

XNA: NullReferenceException when playing SoundEffect from another class

I\'m both a C# and XNA noob, and I\'m a bit stuck. In my Game1 class, I have added a SoundEffect object. From within this class, I can then play the sound by using [objectname].Play();. E.g.[详细]

2023-04-07 05:46 分类：问答

Getting NullReferenceException in Code

What is wrong with this code? public partial class MainForm : Form { private Dictionary<String , PropertyInfo[]> types;[详细]

2023-04-06 11:14 分类：问答

NullReferenceException with an Array in C#

I want to create an array containing all the Pushpin objects I am dealing with. While trying to populate the Array, I am getting a NullReferenceException Unhandled error thrown. I 开发者_StackOverflow[详细]

2023-04-05 04:28 分类：问答

AutoMapper catches and ignores NullReferenceException

Maybe this is by design, but we initially did not expect automapper to catch and ignore all NullReferenceExceptions in our mappings. We mostly use the MapFrom and create sometimes complex expressions.[详细]

2023-04-03 09:47 分类：问答