The exception that is thrown when a method call is invalid for the object's current state.
The exception that is thrown when a method call is invalid for the object's current state.
More information is available on Docs.
Questions tagged [invalidoperationexception]
505 questions
-2
votes
3 answers
lock used and there is no looping still, Exceptions System.InvalidOperationException: Collection was modified; enumeration operation may not execute
I have gone through similar looking questions, where answers are suggesting to use lock and not to modify List inside of foreach loop on the same collection, I have already taken care of these two.
I have globally available List
Amit
- 1,821
- 1
- 17
- 30
-2
votes
1 answer
how to perform sum() on two variables in laravel 5.2
$store_obj = new account;
$x = \Auth::user()->id
$old = account::where('id',$x)->first();
echo $old->wallet;
$new = Input::get("update");
echo $new;
$upd = sum($old,$new);// strucked here
echo $upd;
Jeevan R Sharma
- 3
- 1
- 2
-2
votes
3 answers
Why is this code considered a "possible 'System.InvalidOperationException'"?
Resharper suggested I change this code:
if (getBeginDate)
{
return (DateTime)RptParamsFromDate;
}
...to this:
if (getBeginDate)
{
if (RptParamsFromDate != null) return (DateTime)RptParamsFromDate;
}
...because, "Possible…
B. Clay Shannon-B. Crow Raven
- 8,547
- 144
- 472
- 862
-2
votes
1 answer
Getting "The model item passed into the dictionary is of type" Exception in MVC5 application
I see lots of these type of questions here, but the answers all seem to point to what I'm doing. Help!!! Here's the pieces of code:
In the MVC5 controller, RegistrationController:
using System;
using System.Collections.Generic;
using…
user3802434
- 602
- 1
- 7
- 14
-2
votes
2 answers
Removing an Item in a list
I'm programming in c#. I'm trying to remove an item from a List<> but when I remove the item I get this exception error:
An exception of type 'System.InvalidOperationException' occurred in
mscorlib.dll but was not handled in user code
Additional…
Babak.Abad
- 2,839
- 10
- 40
- 74
-2
votes
1 answer
Perform an action when a process closes
First of all, I'm programming in Windows Forms Application.
As the title describes, I want to perform an action when a process I started, will close.
I've tried at first:
Process s = new Process();
s.EnableRaisingEvents = true;
s =…
avi12
- 83
- 1
- 5
-2
votes
1 answer
'System.InvalidOperationException' occurred in Microsoft.Phone.ni.dll
I am making an app which records sounds.
When clicking the mike button it is supposed to move to a new page.
When I add a save button in the application bar of the new page and then run it, it throws this exception…
Sourav Kondapaka
- 53
- 1
- 3
-3
votes
3 answers
BinarySearch - Failed to compare two elements in the array
So we recently migrated an application from .NET 1.1 to .NET 4.0.
And with that, there was a bunch of compatibility issues which we had to fix.
One of them is that a block of code is throwing the InvalidOperationException.
Public Function…
Smiley
- 3,207
- 13
- 49
- 66
-4
votes
1 answer
Exception insert record to SQL Server in C# by stored procedure
I'm trying to insert a supplier to SQL Server but it always throws an exception on the line cmd.ExecuteNonQuery(). Really need some help!
Lam
- 15
- 2
-4
votes
3 answers
How to throw an exception on `float==float` operation?
Imagine that an inexperienced programmer tries to compare 2 floats for equivalence:
a = 0.01
b = 0.1 ** 2
print(a == b)
Is there any language that would throw an exception on such foolishness? Or a way to override the default behaviour in python…
Aprillion
- 21,510
- 5
- 55
- 89