'生成编号的前缀
Select e.DataCol.Name
Case "日期", "前缀"
If e.DataRow.IsNull("日期") OrElse e.DataRow.IsNull("前缀") Then
e.DataRow("单号") = Nothing
Else
Dim dr2 As DataRow = DataTables("回收编号表").SQLFind("前缀='" & e.DataRow("前缀") & "' and 表名='订单表'", "编号")
If dr2 IsNot Nothing Then
e.DataRow("单号") = dr2("编号")
dr2.Delete
dr2.Save
Else
Dim d As Date = e.DataRow("日期")
Dim y As Integer = d.Year
Dim m As Integer = d.Month
Dim Days As Integer = Date.DaysInMonth(y, m)
Dim fd As Date = New Date(y, m, 1) '获得该月的第一天
Dim ld As Date = New Date(y, m, Days) '获得该月的最后一天
Dim bh As String = e.DataRow("前缀") & "-" & Format(d, "yyyyMM") & "-" '生成编号的前缀
If e.DataRow("单号").StartsWith(bh) = False Then'如果单据编号前缀不符
Dim max As String
Dim idx As Integer
Dim flt As String
flt = "前缀 = '" & e.DataRow("前缀") & "' And 日期 >= #" & fd & "# And 日期 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(单号)", flt) '取得该
If max > "" Then '如果存在
idx = CInt(max.Substring(max.length - 4)) + 1 '获得最大
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("单号") = bh & Format(idx, "0000")
End If
End If
End If
End Select
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Post By：2025/4/3 15:17:00 [显示全部帖子]
