<PackageReference Include="Microsoft.Data.SqlClient" Version="7.1.0-preview1.26124.5" />

Microsoft.Data.SqlClient.Diagnostics.SqlClientConnectionOpenError

public sealed class SqlClientConnectionOpenError : IEnumerable<KeyValuePair<string, object>>, IEnumerable, IReadOnlyCollection<KeyValuePair<string, object>>, IReadOnlyList<KeyValuePair<string, object>>
Contains diagnostic information emitted after a connection open fails with an exception.
namespace Microsoft.Data.SqlClient.Diagnostics { public sealed class SqlClientConnectionOpenError : IEnumerable<KeyValuePair<string, object>>, IEnumerable, IReadOnlyCollection<KeyValuePair<string, object>>, IReadOnlyList<KeyValuePair<string, object>> { public const string Name = "Microsoft.Data.SqlClient.WriteConnectionOpenError"; public string ClientVersion { get; } public SqlConnection Connection { get; } public Guid ConnectionId { get; } public int Count { get; } public Exception Exception { get; } public KeyValuePair<string, object> this[int index] { get; } public string Operation { get; } public Guid OperationId { get; } public long Timestamp { get; } public SqlClientConnectionOpenError(); public IEnumerator<KeyValuePair<string, object>> GetEnumerator(); } }