If e.DataCol.Name = "填表日期" Then
If e.DataRow.IsNull("填表日期") Then
e.DataRow("编号") = Nothing
Else
Dim d As Date = e.DataRow("填表日期")
Dim y As Integer = d.Year
Dim fd As Date = New Date(y,1,1)
Dim bh As String = "xx组织机构代码" & Format(d,"yyyy") '生成编号的前6位,4位年,2位月.
If e.DataRow("编号").StartsWith(bh) = False '如果编号的前6位不符
Dim max As String
Dim idx As Integer
max = e.DataTable.Compute("Max(编号)","填表日期 >= #" & fd & "# And 填表日期 < #" & fd.addyears(1) & "# And [_Identify] <> " & e.DataRow("_Identify")) '取得该月的最大编号
If max > "" Then '如果存在最大编号
idx = CInt(max.Substring(max.length - 4)) + 1 '获得最大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("编号") = bh & "-" & Format(idx,"0000")
End If
End If
End If
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Post By：2020/9/8 15:26:00 [显示全部帖子]
