Rss & SiteMap

Foxtable(狐表) http://www.foxtable.com

新一代数据库软件,完美融合Access、Foxpro、Excel、vb.net之优势,人人都能掌握的快速软件开发工具!
共10 条记录, 每页显示 10 条, 页签: [1]
[浏览完整版]

标题:[求助]删除空行代码

1楼
易服 发表于:2008/12/1 13:16:00
设一按钮删除所有空行
2楼
czy 发表于:2008/12/1 13:22:00

Dim Filter As String

For Each dc As DataCol In DataTables("表名").DataCols

    If Filter > "" Then

        Filter = Filter & " And "

    End If

    Filter = Filter & dc.Name & " Is Null"

Next

DataTables("表名").DeleteFor(Filter)
3楼
易服 发表于:2008/12/1 16:43:00
Dim Filter As String
For Each dc As DataCol In DataTables("总览").DataCols
    If Filter > "" Then
        Filter = Filter & " And "
    End If
    Filter = Filter & dc.Name & " Is Null"
Next
DataTables("总览").DeleteFor(Filter)



无论是内部数据还是外部数据的都不生效,为什么?
4楼
wcs 发表于:2008/12/1 17:06:00

条件:If Filter > ""  有误吧!

我看用行集合,用isnullthing.

这样效率可能要高一些,不信试试.

5楼
狐狸爸爸 发表于:2008/12/1 17:07:00
没有道理的,这个代码是测试通过的。
6楼
易服 发表于:2008/12/1 17:12:00

只有到另外的电脑上试一下

7楼
xl 发表于:2009/12/24 15:24:00
以下是引用czy在2008-12-1 13:22:00的发言:

Dim Filter As String

For Each dc As DataCol In DataTables("表名").DataCols

    If Filter > "" Then

        Filter = Filter & " And "

    End If

    Filter = Filter & dc.Name & " Is Null"

Next

DataTables("表名").DeleteFor(Filter)

上列设计中有下列两处不懂,请老师解释一下,好吗?
Filter = Filter & " And "
Filter = Filter & dc.Name & " Is Null"

8楼
czy 发表于:2009/12/24 16:01:00
将DataTables("表名").DeleteFor(Filter)
改成:
Output.show(Filter)
看看结果或许你就可以懂了。
9楼
mr725 发表于:2009/12/24 16:09:00

Dim Filter As String

For Each dc As DataCol In DataTables("表名").DataCols

    Filter = Filter & " And " & dc.Name & " Is Null"

Next
Filter = Filter.SubString(5)

DataTables("表名").DeleteFor(Filter)

这样好懂些吧~  删除所有列都为空白的行!
10楼
xl 发表于:2009/12/24 16:48:00
哦,看懂了,谢谢两位老师!
共10 条记录, 每页显示 10 条, 页签: [1]

Copyright © 2000 - 2018 foxtable.com Tel: 4000-810-820 粤ICP备11091905号

Powered By Dvbbs Version 8.3.0
Processed in .03906 s, 2 queries.