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/...
Sensuous asked 2/2, 2015 at 0:2
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...
Cultivar asked 15/12, 2008 at 8:49
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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