Microsoft.Data.SqlClient.Server.ExtendedClrTypeCode
enum ExtendedClrTypeCode
Boolean = 0
Byte = 1
ByteArray = 18
Char = 2
CharArray = 19
DataTable = 37
DateTime = 3
DateTimeOffset = 41
DbDataReader = 38
DBNull = 4
Decimal = 5
Double = 6
Empty = 7
First = 0
Guid = 20
Int16 = 8
Int32 = 9
Int64 = 10
Invalid = -1
Last = 44
Object = 17
SByte = 11
Single = 12
SqlBinary = 21
SqlBoolean = 22
SqlByte = 23
SqlBytes = 35
SqlChars = 34
SqlDateTime = 24
SqlDecimal = 31
SqlDouble = 25
SqlGuid = 26
SqlInt16 = 27
SqlInt32 = 28
SqlInt64 = 29
SqlMoney = 30
SqlSingle = 32
SqlString = 33
SqlXml = 36
Stream = 42
String = 13
TextReader = 43
TimeSpan = 40
UInt16 = 14
UInt32 = 15
UInt64 = 16
XmlReader = 44