The table shows the data type mapping between ABAP / RFC and .NET.

ABAP ABAP Dictionary ERPConnect .NET Remarks
b INT1 RFCTYPE INT1 System Byte  
s INT2, PREC RFCTYPE INT2 System Int16  
i INT4 RFCTYPE INT System Int32  
p DEC, CURR, QUAN RFCTYPE BCD System Decimal Max. supported length is 28 digits
decfloat16 DF16_DEC, DF16_RAW, DF16_SCL RFCTYPE BYTE System Byte[] No ReadTable support
decfloat34 DF34_DEC, DF34_RAW, DF34_SCL RFCTYPE BYTE System Byte[] No ReadTable support
f FLTP RFCTYPE FLOAT System Double  
c CUKY, UNIT, CHAR, LCHR, CLNT, LANG RFCTYPE CHAR System String  
string STRING RFCTYPE STRING System String No ReadTable support
n NUMC, ACCP RFCTYPE NUM System String Only characters 0_9 ACCP format is YYYYMM
d DATS RFCTYPE DATE System String Format is YYYYMM
t TIMS RFCTYPE TIME System String Format is HHMMSS
x RAW, LRAW RFCTYPE BYTE System Byte[]  
xstring RAWSTRING RFCTYPE XSTRING System Byte[] No ReadTable support