- Foxtable(狐表) (http://foxtable.com/bbs/index.asp)
-- 专家坐堂 (http://foxtable.com/bbs/list.asp?boardid=2)
---- 学生编号不是空值行数 (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=128743)
-- 发布时间：2018/12/14 0:19:00
-- 学生编号不是空值行数
此主题相关图片如下：qq截图20181214001954.png
Dim t As Table = e.Form.controls("Table1").Table
If t.Current.DataRow("学生编号") IsNot Nothing Then
msgbox(t.Rows.Count)
End If
请老师指教，谢谢！
-- 发布时间：2018/12/14 9:17:00
--
Dim t As Table = e.Form.controls("Table1").Table
msgbox( t.Compute("count(学生编号)", "学生编号 is not null") )
http://www.foxtable.com/webhelp/scr/0548.htm
-- 发布时间：2018/12/14 9:34:00
--
老师还有个问题，只保存学生编号不是空，请老师指教，谢谢！
Dim ary() As String = Functions.Execute("Xueqi")
Dim t As Table = e.Form.controls("Table1").Table
Dim nms() As String = {"学期","学生编号","缴费日期","缴费金额","收款人"}
For n As Integer = 1 To t.Rows.Count -1
If t.Rows(n)("学生编号") IsNot Nothing Then
dr = DataTables("缴餐费").Find("学生编号 = \'" & t.Rows(n)("学生编号") & "\'")
If dr Is Nothing Then
dr = DataTables("缴餐费").AddNew()
End If
For Each c As String In nms
dr(c) = t.Rows(n)(c)
Next
End If
dr.save
Next
-- 发布时间：2018/12/14 10:11:00
--
Dim ary() As String = Functions.Execute("Xueqi")
Dim t As Table = e.Form.controls("Table1").Table
Dim nms() As String = {"学期","学生编号","缴费日期","缴费金额","收款人"}
For n As Integer = 1 To t.Rows.Count -1
If t.Rows(n)("学生编号") = Nothing Then
dr = DataTables("缴餐费").Find("学生编号 = \'" & t.Rows(n)("学生编号") & "\'")
If dr Is Nothing Then
dr = DataTables("缴餐费").AddNew()
End If
For Each c As String In nms
dr(c) = t.Rows(n)(c)
Next
dr.save
End If
Next