Dim dt As DataTable = DataTables("数据表") Dim Result As DialogResult Result = MessageBox.Show("确定要导入吗?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) If Result = DialogResult.Yes Then Dim dlg As New OpenFileDialog dlg.Filter = "Excel文件|*.xls" dlg.MultiSelect = True '允许选择多个文件 If dlg.ShowDialog =DialogResult.OK Then Dim App As New MSExcel.Application try Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open(dlg.FileName) Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets(1) wb.saved = True Dim Rg As MSExcel.Range = Ws.UsedRange Dim ary = rg.value 'systemready = False Dim nms As New Dictionary(Of String, Integer) Dim dic As new Dictionary(Of Integer,object) Dim ls As new List(Of Integer) For c As Integer = 1 To Rg.Columns.count If dt.DataCols.Contains(ary(1,c).replace(" ", "")) Then nms.Add(ary(1,c).replace(" ", ""), c) End If Next Dim flag As Boolean = True For n As Integer = 2 To Rg.Rows.count Dim sfzhm As String = ary(n,nms("案号")) Dim bm As String = ary(n, nms("部门")) If DataTables.Contains(bm) = False Then Continue For If sfzhm = "" Then Continue For dt = DataTables(bm) Dim dr As DataRow = dt.Find("案号 = '" & sfzhm & "'") If dr IsNot Nothing Then Result = MessageBox.Show("有重复案号,是否覆盖导入?"& vbcrlf &"是---覆盖导入(将更新原有案号数据)"& vbcrlf &"否---新增导入(仅增加新案号数据)", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) If Result = DialogResult.Yes Then flag = True Else flag = False End If Exit For End If Next For n As Integer = 2 To Rg.Rows.count Dim sfzhm As String = ary(n,nms("案号")) Dim bm As String = ary(n, nms("部门")) If DataTables.Contains(bm) = False Then Continue For If sfzhm = "" Then Continue For dt = DataTables(bm) Dim dr As DataRow = dt.Find("案号 = '" & sfzhm & "'") If dr Is Nothing Then dic.Add(n,dt) ElseIf flag = True dic.Add(n,dr) End If Next Dim n1,n2 As Integer For Each l As Integer In dic.Keys Dim ndr As DataRow If Typeof dic(l) Is DataTable Then dt = dic(l) n1+= 1 ndr = dt.AddNew Else dt = dic(l).DataTable ndr = dic(l) n2+= 1 End If For Each m As String In nms.keys If dt.DataCols(m).IsBoolean Then If ary(l,nms(m))= "" OrElse ary(l,nms(m))= "False" OrElse ary(l,nms(m))= 0 Then ndr (m) = False Else ndr (m) = True End If Else If dt.DataCols(m).Expression > "" Then '表达式列 Else If dt.DataCols(m).IsNumeric Then ndr (m) = val(ary(l,nms(m))) Else If dt.DataCols(m).IsDate Then Dim d As Date If Date.TryParse(ary(l,nms(m)), d) ndr (m) = d End If Else ndr (m) = ary(l,nms(m)) End If Next Next dt.ResumeRedraw() msgbox("新增" & n1 & " " & "更新旧数据" & n2) app.quit 'systemready = True catch ex As exception msgbox(ex.message) app.quit End try End If End If
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