argumentnullexception

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JavaScriptSerializer throwing ArgumentNullException on deserialization

I\'m writing an application that posts and gets JSON to/from a backend in Visual C# 4.0. Obviously, the easiest way to serialize/deserialize the JSON is System.Web.Script.Serialization.JavaScriptSeri[详细]

2023-03-29 18:51 分类：问答
wpf binging throws argumentnullexception

How do you handle when the editor (xaml / design) in visual studio throws an argumentnullexception, \"value cannot be null\" ?[详细]

2023-03-18 02:35 分类：问答
In C#, should one check references passed to methods against null?

Well, a few months ago I asked a similar question about C and C++, but I\'ve been paying more attention to C# lately due to the 开发者_如何学运维whole \"Windows Phone\" thing.[详细]

2023-03-03 06:44 分类：问答
System.NullReferenceException When checking if != null

I\'m using an ASHX handler, i want the handler to check if Session != null. if (context.Session[\"Username\"] != null)[详细]

2023-02-28 16:56 分类：问答
wp7 - application.current as app Value can not be null

I put some properties in the App.xaml.cs file which I am using to store data and populate textboxes as I navigate through my application:[详细]

2023-02-10 08:36 分类：问答
Why is EditorFor in my ASP.NET MVC 2 application throwing ArgumentNullException?

I have a weird problem with EditorFor in one of my views. The following code throws an ArgumentNullException.[详细]

2023-01-22 11:47 分类：问答
actionlistener returning a nullexception on jbutton

I have an action listener set up on my main jframe menu for the buttons listed on it, and they work fine, bringing up other jframes as needed. The problem is when a person clicks the buttons on the jf[详细]

2023-01-12 16:49 分类：问答
Network.downloadfile is very slow

I have tried using the My.Computer.Network.DownloadFile method but unfortunately it is slow. Executing the simple command below takes ~5-10 secs, which I would say is a lot longer than expected for do[详细]

2022-12-27 17:54 分类：问答
Is there any reason to throw a DivideByZeroException?

Are there any cases when it\'s a good idea to throw errors that can be avoided? I\'m thinking specifically of the DivideByZeroException and ArgumentNullException[详细]

2022-12-25 22:04 分类：问答
Need solution for troubled null problem

For a day now i\'m stuck with this null problem in my repository. here is my piece of code writen for linq to sql... i\'ve tried a lot of options but no help for this.[详细]

2022-12-15 02:27 分类：问答