Asp.net 循环Excel文件中的每一行
我有一个包含许多列的Excel文件,但我只需要列Asp.net 循环Excel文件中的每一行,asp.net,vb.net,excel,Asp.net,Vb.net,Excel,我有一个包含许多列的Excel文件,但我只需要列名称、成本和时间。我需要逐行在Excel中循环,但对于“名称/成本/时间”列,则需要将值保存在变量中 If FileUpload1.HasFile = False Then Exit Sub Else Dim FileName As String = Path.GetFileName(FileUpload1.PostedFile.FileName) Dim Extension As Str
名称
、成本
和时间
。我需要逐行在Excel中循环,但对于“名称/成本/时间”列,则需要将值保存在变量中
If FileUpload1.HasFile = False Then
Exit Sub
Else
Dim FileName As String = Path.GetFileName(FileUpload1.PostedFile.FileName)
Dim Extension As String = Path.GetExtension(FileUpload1.PostedFile.FileName)
'Dim FolderPath As String = ConfigurationManager.AppSettings("Upload")
Protected Sub ButtonVerify_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ButtonVerify.Click
If FileUpload1.HasFile = False Then
Exit Sub
Else
Dim FileName As String = Path.GetFileName(FileUpload1.PostedFile.FileName)
Dim Extension As String = Path.GetExtension(FileUpload1.PostedFile.FileName)
'Dim FolderPath As String = ConfigurationManager.AppSettings("Upload")
Dim FilePath As String = Server.MapPath("~") & "\Upload\" & FileName
FileUpload1.SaveAs(FilePath)
Dim existingFile = New FileInfo(FilePath)
Dim pack As ExcelPackage = New ExcelPackage(existingFile)
Dim workBook As ExcelWorkbook = pack.Workbook
If workBook.Worksheets.Count > 0 Then
Dim currentWorksheet As ExcelWorksheet = workBook.Worksheets.First()
Dim Requester As String = currentWorksheet.Cells(30, 2).Value
End If
End If
LBL_Error.Text = Nothing
LBL_Status.Text = "Your file have been upload in your form. Please complete your Sample Order!"
End Sub
其中
如果workBook.Worksheets.Count>0
则我需要循环单元格中的每个值,并最终计算框中所有时间的平均值。要仅循环某些列的行,可以执行以下操作:
Dim WB As Excel.Workbook
Dim WS As Excel.Worksheet
Dim DateRng As Excel.Range
Dim AccountsRng As Excel.Range
Dim i As Long
WB = xlApp.Workbooks.Add
WS = WB.Worksheets("Sheet1")
DateRng = WS.Columns(2) ' Change the '2' as necessary.
With DateRng
For i = 1 To .Count
'Do your stuff
Next i
End With
通过这种方式,您可以根据以下说明选择要使用的列:
Excel.Worksheet.Columns(1)将成为您的A列XlApp是什么?dat有问题吗?将XlApp作为新的Excel.Application