老师你好,下面的代码出错麻烦指导一下(表未全部加载后台数据):If e.DataCol.Name = "录入日期" Then If e.DataRow.IsNull("录入日期") Then
e.DataRow("部件流转单号") = Nothing
Else
Dim d As Date = e.DataRow("录入日期")
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 = Format(d,"yyyyMM") '生成编号的前6位,4位年,2位月.
If e.DataRow("部件流转单号").StartsWith(bh) = False '如果编号的前6位不符
Dim max As String
Dim idx As Integer
max = e.DataTable.sqlCompute("Max(部件流转单号)","录入日期 >= #" & fd & "# And 录入日期 <= #" & ld & "# 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(9,5)) + 1 '获得最大编号的后三位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("部件流转单号") = "BJ" & bh & "-" & Format(idx,"00000")
e.DataRow.Save
End If
End If
End If
加好友 
发短信
Post By：2016/10/21 18:03:00 [显示全部帖子]
此主题相关图片如下：增加行时出错.bmp