Enum Protocol Path C++ Link System.Data.SqlClient.SNI.DataSource.Protocol, System.Data underlying int32 System.Data Values 4 NameValueHex TCP00x00NP10x01None20x02Admin30x03 // System.Data.SqlClient.SNI.DataSource.Protocol, System.Data enum class Protocol : int32 { TCP = 0, NP = 1, None = 2, Admin = 3, };