Segui passo a passo das aulas e, ao rodar o programa, o console exibe a mensagem de erro abaixo.
Exceção Sem Tratamento: System.Data.SqlClient.SqlException: Erro de rede ou espe cífico à instância ao estabelecer conexão com o SQL Server. O servidor não foi e ncontrado ou não estava acessível. Verifique se o nome da instância está correto e se o SQL Server está configurado para permitir conexões remotas. (provider: N amed Pipes Provider, error: 40 - Não foi possível abrir uma conexão com o SQL Se rver) ---> System.ComponentModel.Win32Exception: O caminho da rede não foi encon
trado
Fim do rastreamento de pilha de exceções internas --- em System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdent ity identity, SqlConnectionString connectionOptions, SqlCredential credential, O bject providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData r econnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTra nsientFaultHandling) em System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOp tions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConn ectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
em System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConn
ectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConne
ctionPoolKey poolKey, DbConnectionOptions userOptions)
em System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owning
Object, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)
em System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection o
wningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection
)
em System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection ow
ningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean o
nlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& co
nnection)
em System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection ow
ningObject, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbCon
nectionInternal& connection)
em System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection
owningConnection, TaskCompletionSource1 retry, DbConnectionOptions userOptions
, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
em System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(Db
Connection outerConnection, DbConnectionFactory connectionFactory, TaskCompletio
nSource1 retry, DbConnectionOptions userOptions)
em System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection
outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource1
retry, DbConnectionOptions userOptions)
em System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource1 re
try)
em System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource1 retry)
em System.Data.SqlClient.SqlConnection.Open()
em Microsoft.EntityFrameworkCore.Storage.RelationalConnection.Open(Boolean er
rorsExpected)
em Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable1.Enumerat
or.BufferlessMoveNext(Boolean buffer)
em Microsoft.EntityFrameworkCore.ExecutionStrategyExtensions.<>c__DisplayClas
s12_02.b0(DbContext c, TState s)
em Microsoft.EntityFrameworkCore.Storage.Internal.SqlServerExecutionStrategy.
Execute[TState,TResult](TState state, Func3 operation, Func3 verifySucceeded)
em Microsoft.EntityFrameworkCore.ExecutionStrategyExtensions.Execute[TState,T
Result](IExecutionStrategy strategy, Func2 operation, Func2 verifySucceeded, T
State state)
em Microsoft.EntityFrameworkCore.Query.Internal.QueryingEnumerable`1.Enumerat
or.MoveNext()
em Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.<_TrackE
ntities>d172.MoveNext()
em Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.Exceptio
nInterceptor1.EnumeratorExceptionInterceptor.MoveNext()
em Alura.Filmes.App.Program.Main(String[] args) na C:\Users\diogohm\Documents
\Visual Studio 2017\Templates\ProjectTemplates\Visual C#\Alura.Filmes\Alura.Film
es.App\Program.cs:linha 14
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