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.
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Questions tagged [invalidoperationexception]
505 questions
3
votes
1 answer
Connection pool – one process – many threads
My understanding of the connection pool is; if the connectionstring is the exact same, then we reuse the connection instead of make a new connection.
My problem is that I’m creating many threads for parallel processing. In this “dummy” program, I…
Theis Kristensen
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3
votes
0 answers
Unit testing ControllerFactory.CreateController : This method cannot be called during the application's pre-start initialization phase
I have a test class . And inside this , i have a private class
class ControllerProxy : MarshalByRefObject
{
public IController CreateController()
{
}
}
Inside CreateController(), I have created a Mock RequestContext…
DfrDkn
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3
votes
2 answers
DisplayForModel with view name parameter error
My display template "PlanAlternate":
@model MyPlan
@foreach (var benefit in Model.Plan.Benefits)
{
@Model.Plan.Name
Barry
- 101
- 6
3
votes
2 answers
How to remove entity from session when error on Save and the auto-increment Id has not been generated
NHibernate version: 3.3.2.
I have a NHibernate transaction with several operations. As one of the intermediate steps in the transaction, I try to insert a new entity instance with an auto-increment PK via Session.Save.
In some cases there is an…
Diana
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3
votes
1 answer
Converting resources file to resx - not serializable
I have a task where I'm reconstructing some source we lost for many projects. For the most, it's gone just fine, but of course on the very last project, I ran into an error that I cannot find any solution to.
I used Reflector 8.1 to decompile the…
Tyler Wilson
- 586
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3
votes
1 answer
Use of NativeWindow for ComboBox causes exception in Dispose-method
In C# Windows.Forms I want to intercept the paste-windowmessage for a combobox. As this doesn't work by overriding the WndProc-method of the combobox, because I would need to override the WndProc of the textbox inside the combobox, I decided to…
user1225775
- 253
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- 14
3
votes
1 answer
Thread cannot access the object
I declared a field:
WriteableBitmap colorBitmap;
Then I created a simple thread which does something:
private void doSomething()
{
// ... bla bla bla
colorBitmap = new WriteableBitmap(/* parameters */);
myImage.Source = colorBitmap; //…
Nickon
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2
votes
1 answer
System.InvalidOperationException: Nullable object must have a value. Linq to sql
I am getting this error in one of my development machine. This error is not happening in other machine which is pointing to same database. Definitely both servers are not identical. I don't know what software which is missing in one server cause…
Senthilkumar Elangovan
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2
votes
1 answer
C# GDI+ SetMapMode
I seem to be having some problems with implementing SetMapMode in C#. Not an expert in C# so Im not too surprised that im seeing errors. Even thought the compilation is fine DrawLine throws InvalidOperationException. Any ideas…
nixgadget
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2
votes
1 answer
System.InvalidOperationException: The instance of entity type cannot be tracked because another instance with the same key value for {'Id'} is already
I have an Api deployed on Azure in which I have a CrCart entity. I want to make sure that if there is already a cart associated with a user and a customer with the status "Saved" you can't add more with that status.
The issue here is that I make…
robluc
- 121
- 12
2
votes
2 answers
WCF InvalidOperationException when calling back in a callback
I have a service like this:
[ServiceContract(SessionMode = SessionMode.Required, CallbackContract=typeof(IMyServiceCallback))]
public interface IMyService
{
[OperationContract]
bool CallService();
}
public interface IMyServiceCallback
{
…
MrNick
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2
votes
1 answer
Can a C# attribute be serialized into JSON?
I've made a class from the Attribute type
public class DemoAttribute : Attribute {
[JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingDefault)]
public string Label { get; private set; }
public DemoAttribute(string label = null)…
Robert H
- 23
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- 4
2
votes
1 answer
Linq to CRM - Invalid operation exception
I'm using a LINQ to CRM from Advanced Developer Extension for MS CRM 4.0. It works fine with direct queries. But I've got a problem when query looks like this:
var connectionString = @"User ID=u; Password=p; Authentication Type=AD;…
krlm
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2
votes
1 answer
InvalidOperationException when running process with Specflow
I get this when I run my Specflow test:
[xUnit.net 00:00:06.30] System.AggregateException : One or more errors occurred. (Cannot mix synchronous and asynchronous operation on process stream.)
[xUnit.net 00:00:06.30] ----…
runnerpaul
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2
votes
3 answers
C# System.InvalidOperationException: Collection was modified; enumeration operation may not execute
I have researched this issue and haven't found what pertains to me yet. I am not trying to edit something I am looping through.
************** Exception Text **************
System.InvalidOperationException: Collection was modified; enumeration…
Brandon
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