Dim dlg As New OpenFileDialog
dlg.Filter = "Excel文件|*.xls;*.xlsx"
If dlg.ShowDialog =DialogResult.OK Then
Dim t As Table = Tables("数据表A")
't.ResumeRedraw()
t.StopRedraw()
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)
Dim Rg As MSExcel.Range = Ws.UsedRange
Dim arg = rg.value
For n As Integer = 2 To rg.Rows.Count
Dim r As DataRow = t.DataTable.Find("编号 = '" & arg(n, 7) & "' and 明细编号 = '" & arg(n, 7) & "' and 单据类型 = '" & arg(n, 8) & "'")
If r Is Nothing Then r = t.DataTable.AddNew()
For i As Integer = 1 To rg.Columns.count
Dim cname As String = arg(1,i)
If cname > "" AndAlso t.Cols.Contains(cname) Then
If t.Cols(cname).IsDate AndAlso arg(n,i).Gettype.name = "double" Then
r(cname) = DateTime.FromOADate(arg(n,i))
Else
r(cname) = arg(n, i)
End If
End If
Next
Next
catch ex As exception
msgbox(ex.message)
MessageBox.Show("导入失败!","恭喜!")
finally
t.ResumeRedraw()
app.quit
End try
End If
上面这段代码，导入时，会提示“未将对象引用设置到对象的实例”错误，然后导入失败，最终表会导入第一行的数据，不知道怎么解决，请各位老师前辈指点一下，谢谢了！
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Post By：2018/11/2 11:25:00 [只看该作者]
