DatabaseErrorPageMiddleware Class

Definition

Namespace:

Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore

Assembly:

Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore.dll

Package:

Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore v8.0.0

Source:

DatabaseErrorPageMiddleware.cs

Captures synchronous and asynchronous database related exceptions from the pipeline that may be resolved using Entity Framework migrations. When these exceptions occur an HTML response with details of possible actions to resolve the issue is generated.

public ref class DatabaseErrorPageMiddleware : IObserver<System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^>>, IObserver<System::Diagnostics::DiagnosticListener ^>

public class DatabaseErrorPageMiddleware : IObserver<System.Collections.Generic.KeyValuePair<string,object>>, IObserver<System.Diagnostics.DiagnosticListener>

type DatabaseErrorPageMiddleware = class
    interface IObserver<DiagnosticListener>
    interface IObserver<KeyValuePair<string, obj>>

Public Class DatabaseErrorPageMiddleware
Implements IObserver(Of DiagnosticListener), IObserver(Of KeyValuePair(Of String, Object))

Inheritance

Object

DatabaseErrorPageMiddleware

Implements

IObserver<KeyValuePair<String,Object>> IObserver<DiagnosticListener>

Constructors

DatabaseErrorPageMiddleware(RequestDelegate, ILoggerFactory, IOptions<DatabaseErrorPageOptions>)

Obsolete. Initializes a new instance of the DatabaseErrorPageMiddleware class

Methods

Invoke(HttpContext)

Process an individual request.

Explicit Interface Implementations

IObserver<DiagnosticListener>.OnCompleted()

IObserver<DiagnosticListener>.OnError(Exception)

IObserver<DiagnosticListener>.OnNext(DiagnosticListener)

IObserver<KeyValuePair<String,Object>>.OnCompleted()

IObserver<KeyValuePair<String,Object>>.OnError(Exception)

IObserver<KeyValuePair<String,Object>>.OnNext(KeyValuePair<String,Object>)