Как пофиксить ошибку C# и MS SQL Microsoft.Data.SqlClient.SqlException: "A connection was successfully established with the server, but then an error?

Василий Банников, Не помогло

Как пофиксить ошибку C# и MS SQL Microsoft.Data.SqlClient.SqlException: "A connection was successfully established with the server, but then an error?

Василий Банников, SqlConnection sqlConnection = new SqlConnection(@"Data Source=LAPTOP-78EUHOP1\SQLEXPRESS;Initial Catalog=NikitaDB;Integrated Security=True");