Select e.DataCol.Name
Case "制单日期", "样品类型"
If e.DataRow.IsNull("制单日期") OrElse e.DataRow.IsNull("样品类型") Then
e.DataRow("样品编号") = Nothing
Else
Dim dr As DataRow = datatabls("A表").find("样品类型='" & e.DataRow("样品类型") & "'")
If dr Is Nothing Then
e.DataRow("样品编号") = Nothing
Else
Dim d As Date = e.DataRow("制单日期")
Dim y As Integer = d.Year
Dim fd As Date = New Date(y, 1, 1) '获得该月的第一天
Dim ld As Date = New Date(y, 12, 31) '获得该月的最后一天
Dim bh As String = y & dr("分类号") '生成编号的前缀
If e.DataRow("样品编号").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 = "样品类型 = '" & e.DataRow("样品类型") & "' And 制单日期 >= #" & fd & "# And 制单日期 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(样品编号)", flt) '取得该月的相同工程代码的最大单据编号
If max > "" Then '如果存在最大单据编号
idx = CInt(max.Substring(12, 4)) + 1 '获得最大单据编号的后四位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("样品编号") = bh & Format(idx, "0000")
End If
End If
End If
End Select
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Post By：2024/3/19 8:43:00 [显示全部帖子]
