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Search Results (6)

Results for nullreferenceexception

November 22nd, 2023
NullReferenceException after deleting item from database, then redirecting to page showing the list of remaining items

I am getting a System.NullReferenceException: Object reference not set to an instance of an object. when I delete an item from the SQLite database a...

c#.netasp.net-mvcrazorasp.net
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October 29th, 2023
NullReferenceException when using multiple authentication schemes

Depending on which way around auth is configured, JWT or AzureAD auth works on protected endpoints but one of them always fails with "Object reference...

c#asp.net-coreasp.net-core-identity
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September 12th, 2023
NSubstitute Received() throws NullReferenceException on Grpc mocked call

I'm migrating from Moq to Nsubstitute and faced this problem. In Moq I have an unit test to verify that the grpc method was called once. Moving to NSu...

c#unit-testinggrpcnsubstitute
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September 6th, 2023
Xamarin.Forms: Application.Current.MainPage.DisplayAlert() throws System.NullReferenceException

I'm using Application.Current.MainPage.DisplayAlert from a separate class and I'm getting this error: System.NullReferenceException: 'Object referenc...

xamarin.forms
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September 21st, 2023
Blazor: NullReferenceException in _Host.cshtml when loading a page with EditForm-Component

I'm developing an server-side Blazor-application, which uses EntityFramework-Core to create the Database (code-first). I want to use one of the models...

c#.netasp.netblazorblazor-server-side
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September 8th, 2023
Entity Framework Core 2.1 Add Migration System.NullReferenceException: Object reference not set to an instance of an object

We use to get the following error when we try to run add-migration. We use Entity Framework Core 2.1. System.NullReferenceException: Object reference ...

entity-framework-coreasp.net-core-2.1
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