主题：删除空行问题

以下是删除空行按钮的代码, 删除不了,sql语句空的怎么写阿?怎么表达?

 

Dim cmd As New SQLCommand
cmd.C
Dim dt As DataTable
Dim d As Integer
cmd.CommandText = "select _identify,rkid,审核,条码,BOM编码,产品型号,数量 fr om 入库条码明细 "
dt = cmd.ExecuteReader
If dt.DataRows.Count > 0 Then
    If dt.DataRows(0)("rkid") Is Nothing  Then
        cmd.CommandText = "delete fro m 入库条码明细 where rkid = null "
    End If
End If

 

 

此主题相关图片如下：1.png

删不了