for each dr3 As Row in Tables("修磨申请_申请下达").Rows Dim drs As List(of DataRow) = DataTables("库存明细记录").SQLSelect("刀具代码 = '" & dr3("刀具代码") & "' And 单刀编码= '" & dr3("单刀编码") & "' And 材料编码 = '" & dr3("材料编码") & "'") For Each dr As DataRow In drs dr("目前状态") = "申请修磨" dr("库位") = "修磨仓库" Next DataTables("库存明细记录").SQLUpdate(drs)next DataTables("库存明细记录").load