比如
Dim str As String = ""
If e.DataRow("红细胞") <= 3.50 OrElse e.DataRow("红细胞") >= 5.50 Then str &= "红细胞,"
If e.DataRow("白细胞") <= 4.00 OrElse e.DataRow("白细胞") >= 10.00 Then str &= "白细胞,"