Dim dr As DataRow
If Tables("收购").Rows.Count = 0 Then
dr = DataTables("收购").AddNew()
dr("日期") = vars("adate")
e.Form.Controls("猪主姓名").Select()
Else
For Each r As Row In Tables("收购")
r("修改") = True
Next
With Tables("收购")
.Position = .Rows.Count - 1
End With
'以下代码实现:检查位置内的数值有没有未输入的. 一个 为空控件名称一个为提示中文集合
Dim kjmc() As String '控件名称
Dim kjmcjh As String = "猪主姓名,重量,单价" '控件名称集合
kjmc = kjmcjh.Split(",")
For i As Integer=0 To kjmc.Length-1
If e.Form.Controls(kjmc(i)).value Is Nothing Then
MessageBox.Show(kjmc(i) & "不能为空,请检查")
Dim t As Row = Tables("收购").current()
t("修改") = False
e.Form.Controls(kjmc(i)).Select
Return
End If
Next
dr = DataTables("收购").AddNew()
dr("日期") = vars("adate")
With Tables("收购")
.Position = .Rows.Count - 1
End With
e.Form.Controls("猪主姓名").Select()
End If
为什么录入第一后,再录入第二条时,第一记录的“修改”不能自动加上true,在录入第二条回车后,第一条、第二条记录才能同时加上true,录入第三条后,才正常,如何改?