我正在编写一个 .net Web 服务来下载使用免费版本的 GemBox.Spreadsheet 创建的 Excel 文件。 调用该服务,服务器运行但不给出任何答复。 这是代码。 有什么想法(或另一个图书馆)吗? 谢谢
'''
<WebMethod(EnableSession:=True)>
Public Sub Download()
SpreadsheetInfo.SetLicense("FREE-LIMITED-KEY")
Dim workbook As New ExcelFile()
Dim worksheet = workbook.Worksheets.Add("Hello World")
worksheet.Cells(0, 0).Value = "English:"
worksheet.Cells(0, 1).Value = "Hello"
worksheet.Cells(1, 0).Value = "Russian:"
worksheet.Cells(2, 0).Value = "Chinese:"
Dim options As SaveOptions = SaveOptions.XlsDefault
Dim filename As String = "TestFile.xls"
Using stream As New MemoryStream
workbook.Save(stream, options)
worksheet.Clear()
worksheet = Nothing
workbook = Nothing
With System.Web.HttpContext.Current.Response
.ClearHeaders()
.ClearContent()
.Buffer = True
.ContentType = "application/vnd.ms-excel"
.AddHeader("content-disposition", "attachment; filename=" + filename)
.AppendHeader("Content-Length", stream.Length)
stream.CopyTo(.OutputStream)
.End()
End With
End Using
End Sub
'''
最好尝试这种方式,它对我有用:
'workbook.Save("DataSet to Excel file.xlsx")
Dim responseBase As HttpResponseBase = New HttpResponseWrapper(Me.Response)
' Stream spreadsheet to browser in XLSX format.
workbook.Save(responseBase, "Spreadsheet.xlsx")
抱歉,我该将 xlsx 文件放在哪里? 我将 .cs 文件放在同一个文件中,但编译器给我这个错误:“找不到文件 '/Example.xlsx'。”
谢谢。