专家坐堂-[求助]后台数据统计Foxtable(狐表) - 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!

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-  Foxtable(狐表)  (http://foxtable.net/bbs/index.asp)
--  专家坐堂  (http://foxtable.net/bbs/list.asp?boardid=2)
----  [求助]后台数据统计  (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=114084)

--  作者：沪上游客
--  发布时间：2018/1/28 14:04:00
--  [求助]后台数据统计
老师你好！
我原来在项目中设置了按窗口控件条件筛选数据，如下图：

此主题相关图片如下：qq截图20180128140546.png

开始按钮中的代码为：
Dim Filter As String
With e.Form.Controls("CheckedComboBox2")
If .Value IsNot Nothing Then
Filter = "所属省份 in (\'" & .Value.Replace(",", "\',\'") & "\')"
End If
End With
With e.Form.Controls("CheckedComboBox1")
If .Value IsNot Nothing Then
Filter = "项目类型 In (\'" & .Value.Replace(",", "\',\'") & "\')"
End If
End With
With e.Form.Controls("TextBox2")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "施工区域 = \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox1")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最大承载力KN >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox3")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最深桩长m >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox4")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最大桩径mm >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox5")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "基坑深度m >= \'" & .Value & "\'"
End If
End With

With e.Form.Controls("NumericComboBox1")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "工程造价 >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("StartDate")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "开工日期 >= #" & .Value & "#"
End If
End With
With e.Form.Controls("EndDate")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "竣工日期 <= #" & .Value & "#"
End If
End With
If e.Form.Controls("在建工程").Checked = True \' 如果选择了"在建工程"
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "竣工日期 >= #" & Date.Today & "#"
End If
If Filter > "" Then
Tables("工程技术参数").Filter = Filter
End If
Dim t As Table = Tables("工程技术参数")
Dim n As Integer = t.DataTable.GetValues("合同编号", t.filter).count
Dim lbl As WinForm.Label
lbl = e.Form.Controls("Label5")
lbl.Text = "符合条件工程数:" & n & "个," & "记录数:" & Tables("工程技术参数").Rows.Count & "条."

现在我的项目是按照条件加载数据，以上代码是按照已加载数据执行，需要按照后台数据筛选，代码应该怎么改？
谢谢老师！

[此贴子已经被作者于2018/1/28 14:07:50编辑过]

--  作者：有点甜
--  发布时间：2018/1/28 14:59:00
--

Tables("工程技术参数").Filter = Filter

改成

Tables("工程技术参数").DataTable.LoadFilter = Filter

Tables("工程技术参数").DataTable.Load

--  作者：沪上游客
--  发布时间：2018/1/29 10:04:00
--
老师还是不行，代码改后还是和原来一样，没有显示未加载数据。
另外我这个表是和“工程合同基础数据”（主表）有关联，有表达式列公式。
是不是要生成一个临时表，再生成？
谢谢！

[此贴子已经被作者于2018/1/29 10:06:15编辑过]

--  作者：有点甜
--  发布时间：2018/1/29 10:06:00
--

那改成

Tables("工程技术参数").DataTable.LoadPage = 0

Tables("工程技术参数").DataTable.LoadTop = ""

Tables("工程技术参数").DataTable.LoadFilter = Filter

Tables("工程技术参数").DataTable.Load

--  作者：沪上游客
--  发布时间：2018/1/29 11:56:00
--
老师还是不行

--  作者：有点甜
--  发布时间：2018/1/29 12:08:00
--

以下是引用沪上游客在2018/1/29 11:56:00的发言：
老师还是不行

那是否报错？如果不报错，那不应该，实例发上来测试。

--  作者：沪上游客
--  发布时间：2018/1/29 12:53:00
--
老师你好！我已发邮件给您了，请查收帮我看一下整个项目有什么问题？谢谢！

--  作者：沪上游客
--  发布时间：2018/1/29 13:05:00
--
老师你好！能给个QQ吗？传不上，文件太大了。

--  作者：有点甜
--  发布时间：2018/1/29 14:40:00
--

1、贴出你写的全部代码；

2、加入msgbox，看弹出的filter是什么，有没有执行里面改的Load代码？

--  作者：沪上游客
--  发布时间：2018/1/29 15:23:00
--

Dim Filter As String
With e.Form.Controls("CheckedComboBox2")
If .Value IsNot Nothing Then
Filter = "所属省份 in (\'" & .Value.Replace(",", "\',\'") & "\')"
End If
End With
With e.Form.Controls("CheckedComboBox1")
If .Value IsNot Nothing Then
Filter = "项目类型 In (\'" & .Value.Replace(",", "\',\'") & "\')"
End If
End With
With e.Form.Controls("TextBox2")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "施工区域 = \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox1")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最大承载力KN >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox3")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最深桩长m >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox4")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "最大桩径mm >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("TextBox5")
If .Value IsNot Nothing Then
If Filter > "" Then
Filter = Filter & " And "
End If
Filter = Filter & "基坑深度m >= \'" & .Value & "\'"
End If
End With

With e.Form.Controls("NumericComboBox1")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "工程造价 >= \'" & .Value & "\'"
End If
End With
With e.Form.Controls("StartDate")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "开工日期 >= #" & .Value & "#"
End If
End With
With e.Form.Controls("EndDate")
If .Value IsNot Nothing Then
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "竣工日期 <= #" & .Value & "#"
End If
End With
If e.Form.Controls("在建工程").Checked = True \' 如果选择了"在建工程"
If Filter >"" Then
Filter = Filter & " And "
End If
Filter = Filter & "竣工日期 >= #" & Date.Today & "#"
End If
If Filter > "" Then
Tables("工程技术参数").DataTable.LoadTop = Nothing
Tables("工程技术参数").DataTable.LoadFilter = ""
Tables("工程技术参数").DataTable.Load
End If
Dim t As Table = Tables("工程技术参数")
Dim n As Integer = t.DataTable.GetValues("合同编号", t.filter).count
Dim lbl As WinForm.Label
lbl = e.Form.Controls("Label5")
lbl.Text = "符合条件工程数:" & n & "个," & "记录数:" & Tables("工程技术参数").Rows.Count & "条."