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
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it says "try specifying the type arguments explicitly". i have a problem with AddModulesAsync, tryin to make a bot
I was trying to make a new Discord Bot with Discord.NET packages and I think it's done. Only command codes are waiting. Now I couldn't figure out what's this saying and how can I get this over with.
I tried to change "AddModulesAsync" to…
Dogukan Aydin
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1 answer
Blackjack game, 'Sequence contains no elements'
I created a Blackjack game for coding school and I'm modifying it to display other aspects of the game, like what card value total the dealer had and what value total I had at the end of the game. It all works well until the Dealer Busted and I'm…
Queen of the North
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Delphi 64bit NaN and invalid floating point
I am working on Delphi application in Delphi 10.1.
I have compiled successfully for 32 bit, now I am compiling for 64 bit.
In some function, NaN is assigned to its Result variable.
In 64 bit, -1.#IND is assigned instead of NaN.
An error occurs,…
poonam
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1 answer
Global Property Changed object casting results in null (in C#)
I am having some trouble with initializing a new variable as the object being sent by the global property changed. I have two classes BeltConfiguration and BeltProperty (both classes have INotifyPropertyChanged). I have a globalpropertychanged…
andrewvb
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Can too many additions of floats cause 'floating point invalid operation'?
Given that the numbers are relatively small (~ -1 to ~ 1) and are floats and randomly generated, can you get 'floating point invalid operation' by adding too many of them? I am asking because that's what apparently happens in my program right now…
user3496846
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votes
2 answers
C# XmlReader ReadElementContentAsString() InvalidOperationException
I'm trying to read a particular XML, save the necessary information into two different classes Order and OrderDetail. However, when I try to read "BuyerID" from my XML with the following code, it throws me an InvalidOperationException, with The…
Kei
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Should I Invoke or change my Get/Set Method? "InvalidOperationException" C#
I get an InvalidOperationException with the message,
Control control name accessed from a thread other than the thread it was created on.
The "Control" was created by a Thread that is no longer doing any work, and I don't know how if I can invoke…
Jason Brown
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votes
1 answer
CombineDeletedEntities/SeparateDeletedEntities Adding Duplicate Entities
I have a grid with the datasource set to an EntitySpaces collection, with a checkbox column. When the checkbox is checked, I want to create a record and when it is cleared I want to delete the same record.
To avoid the obvious PK violation save if…
JoelC
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hrc = wglCreateContext(hdc) , wglMakeCurrent(NULL,NULL) and glEnd() throw INVALID_OPERATION
I have downloaded the class Setting Up OpenGL in an MFC Control and customized it for my purpose ( showing an image and making zooms and other translates on it ):
OpenGLControl.h
#pragma once
#include "afxwin.h"
#include "gl\GL.h"
#include…
Sepideh Abadpour
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votes
4 answers
Error when running XNA code from another computer
I have develop an XNA game on computer 1. When I send it to computer two (and I have everything to be able to run XNA Code). When the program execute game.run, I get an InvalidOperationException.
I didn't tried to run code from computer two on…
Patrick Parent
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votes
1 answer
system.invalidoperationexception
I am trying to run this code
public Exception SetData(string Data , long NoOfColumnsAllowed)
{
try
{
con = new SqlCeConnection(conectionstring);
con.Open();
transaction =…
Hot Cool Stud
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votes
1 answer
invalid operation exception was unhandled Update requires a valid UpdateCommand
From these codes, I want to edit, add and save data from VB to MS Access permanently. I created dozens of Visual Basic projects but no progress at all.
Public Class Form1
Private Sub ProductDescBindingNavigatorSaveItem_Click(ByVal sender As…
larca
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votes
1 answer
InvalidOperationException was unhandled - why?
First of all, at the beginning of my code I declare an ArrayList public ArrayList ArrivalsInApp = new ArrayList();. Then, much much later, I am downloading some data from XML file. For each XmlNode called "flight" I am creating a Panel.
While…
Marek Buchtela
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votes
1 answer
Getting InvalidOperationException when Deserializing in C#
I'm using an XML based .config file for storing some records.
my XML is below:
…
stack_pointer is EXTINCT
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How do I fix Invalid Operands To Binary + (have 'struck _' and 'struct _ ')
It displays [Error] invalid operands to binary + (have 'struct bus' and 'struct bus') enter code here
struct bus
{int bus;
}b1,b2,b3;
int main()
{
printf("Enter bus fair 1");
scanf("%d", &b1.bus);
printf("Enter bus fair 2");
scanf("%d",…
Curtain Cat
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