argumentexception Questions

10

Why am I getting the exception "Parameter not valid" in my code: MemoryStream ms = new MemoryStream(byteArrayIn); System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms); The leng...
Warble asked 10/3, 2009 at 12:40

26

Solved

I get this error whenever I submit the form also the action method is not being called because of this: ArgumentException: An item with the same key has already been added. And the exception deta...
Morten asked 13/4, 2011 at 10:59

8

Solved

I have a datable generated with the content of a csv file. I use other information to map some column of the csv (now in the datatable) to information the user is required to fill. In the best wor...
Selfgoverned asked 17/7, 2013 at 17:26

5

Solved

I am very new to RegEx -- so can someone please help me figure out what exactly is going wrong here? I have this code: string regPattern = "*[~#%&*{}/<>?|\"-]+*"; string replacement =...
Argosy asked 28/6, 2010 at 19:40

1

The following scenario is simulated to reproduce the crash: Enable Beta: unicode UTF-8 for world wide language support (To enable Start=> Region & Language settings => Related settings -> Add...
Forceful asked 23/4, 2019 at 10:35

2

Solved

I am throwing ArgumentNullException in part of my code in C#. I want to catch and display the error message of my exception. But without the parameter name. I want to pass the parameter name to the...
Catherincatherina asked 6/11, 2014 at 8:46

3

Solved

One of my customers is experiencing a crash in my WPF application when saving a file. My save file code is: var saveFileDialog = new SaveFileDialog { InitialDirectory = string.Concat(Environment...
Freya asked 26/3, 2012 at 15:56

4

CompareTo is not working here for me. My linq query is var result = from c in customers where c.CustomerID.CompareTo(txtSerchId.Text) >= 0 select` c; and em getting an exception //////E...
Plough asked 4/5, 2012 at 12:0

3

Solved

In our professor's example code he has one snippet that looks like this: if (name == null || name == "") throw new ArgumentException("name is null or empty"); And another snippet that looks li...
Stint asked 22/4, 2016 at 0:40

2

Solved

Consider that I have a class as follows: class ProductPrice { public string ProductName { get; set; } public decimal RegularPrice { get; set; } public decimal SalePrice { get; set; } } I have...
Byran asked 5/2, 2015 at 2:54

1

System Information Windows 10 Technical Preview (build 9926) Visual Studio Community 2013Attempting to debug on: [AT&T] Lumia 635 (Windows 10 Technical Preview for phones build 9941 w/...

1

Solved

Because of the fact that CultureInfo is not being copied from thread to thread I have made following method to do that thing for me. public static StartCustomTask(Action action, TaskCreationOption...
Jempty asked 24/5, 2014 at 16:14

2

Solved

Which exception should be thrown by a method that accepts multiple arguments when the arguments given are invalid when given together? As an example, consider public Bar DoSomething(Foo f1, Foo f...
Scream asked 7/2, 2014 at 18:9

1

Solved

I'm writing an application to read the first line of a txt file and write to Excel. The input line is like this, which has 94 characters in total, the last 8 can be blanks or 0's (the x's are actua...
Wiggler asked 6/9, 2013 at 23:36

4

Solved

See line of code below: DataTable [] _tables = null; // Throws System.NullReferenceException _tables.GetType(); // Throws System.ArgumentNullException _tables.Count(); In this lines of code I ...
Eyra asked 9/8, 2013 at 11:36

2

Solved

I know the summaries and descriptions. But what if the ARGUMENT is in an INVALID STATE? I think the ArgumentException is more appropriate because the InvalidOperationException documentation...
Sevilla asked 8/5, 2013 at 7:18

3

Solved

Anybody hear of this one? System.ArgumentException: Font 'Times New Roman' does not support style 'Regular'. I've got a WinForms app that is deployed via ClickOnce. For some reason a number of use...
Optative asked 7/8, 2009 at 17:1

2

Solved

I am developing a program in WPF, getting a picture from the web and used an image control. My image list has 50 pictures (from vimeo's thumbnails). Everything looks fine but number 45. The picture...
Feder asked 15/8, 2012 at 10:14

1

Solved

On my local machine, Windows XP Ports (COM & LPT) COM3 RIM Virtual Serial Port v2 (COM4) RIM Virtual Serial Port v2 (COM5) the following code, using System; using System.Collections.Gen...
Buhler asked 23/7, 2012 at 1:29

1

Solved

An unhandled exception of type 'System.ArgumentException' occurred in System.Drawing.dll Additional information: Parameter is not valid. This is happening at the end of this code. public void Wri...
Pierian asked 15/11, 2011 at 22:27

1

Solved

I'm trying to create a mock HttpContextBase for unit test. var fakePrinciple = new GenericPrincipal( new GenericIdentity(userId), rolesList.ToArray()); var mockHttpContext = new Mock<HttpCo...
Colenecoleopteran asked 11/3, 2010 at 14:26

2

Solved

Is there a known reason why FormatException does not inherit from ArgumentException? An invalid format would seem to be a very specific case of an argument being invalid, similar to ArgumentOutOfRa...
Providenciaprovident asked 25/1, 2010 at 20:19

1

Solved

I'm attempting to get a KBDLLHOOKSTRUCT from a keyboard-hook's lParam. private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam) { KBDLLHOOKSTRUCT kbd = new KBDLLHOOKSTRUCT()...
Guardi asked 17/1, 2010 at 3:33

3

Solved

I am using Path.Combine, and one of the strings contain a Unicode characters. I get {System.ArgumentException} exception; illegal characters in path. According to MSDN filepath/name can have unicod...

40

Solved

I am getting the following error when I post back a page from the client-side. I have JavaScript code that modifies an asp:ListBox on the client side. How do we fix this? Error details below: Se...
Propylite asked 23/10, 2008 at 8:34

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