hong是string,字符型要用双引号:
Dim hong As String = GetDigit("开奖号_红一",0)
Select Case hong
Case “1”,“6”
e.DataRow("号码五行_红一") = "水"
Case “2”,“7”
e.DataRow("号码五行_红一") = "金"
Case “3”,“8”
e.DataRow("号码五行_红一") = "木"
Case “4”,“9”
e.DataRow("号码五行_红一") = "火"
Case “0”,“5”
e.DataRow("号码五行_红一") = "土"
End Select