[英]How to save created excel instance to client's disk with save as dialog box
在一个项目中,当用户单击一个按钮时,一些数据将由interop库获取并写入excel实例。
现在,我想要:当excel实例获取所有数据时,必须打开“另存为”对话框并将此excel实例保存到用户指定的路径。
有办法吗?
编辑:
我的将数据获取到excel的代码在这里:
Public Sub ExportToExcel(ByVal dt As DataTable, ByVal outputPath As String)
' Create the Excel Application object
Dim excelApp As New Microsoft.Office.Interop.Excel.ApplicationClass
' Create a new Excel Workbook
Dim excelWorkbook As Excel.Workbook = excelApp.Workbooks.Add(Type.Missing)
Dim excelSheet As Excel.Worksheet = excelWorkbook.Worksheets(1)
excelApp.Visible = True
' Copy each DataTable as a new Sheet
'sheetIndex += 1
'' Create a new Sheet
'excelSheet = CType( _
' excelWorkbook.Sheets.Add(excelWorkbook.Sheets(sheetIndex), _
' Type.Missing, 1, Microsoft.Office.Interop.Excel.XlSheetType.xlWorksheet), Microsoft.Office.Interop.Excel.Worksheet)
excelSheet.Name = "Bayi"
' Copy the column names (cell-by-cell)
For col = 0 To dt.Columns.Count - 1
excelSheet.Cells(1, col + 1) = dt.Columns(col).ColumnName
Next
CType(excelSheet.Rows(1, Type.Missing), Microsoft.Office.Interop.Excel.Range).Font.Bold = True
' Copy the values (cell-by-cell)
For col = 0 To dt.Columns.Count - 1
For row = 0 To dt.Rows.Count - 1
excelSheet.Cells(row + 2, col + 1) = dt.Rows(row).ItemArray(col)
Next
Next
excelSheet = Nothing
' Save and Close the Workbook
excelWorkbook.SaveAs(outputPath, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal, Type.Missing, _
Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, _
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing)
excelWorkbook.Close(True, Type.Missing, Type.Missing)
excelWorkbook = Nothing
' Release the Application object
excelApp.Quit()
excelApp = Nothing
' Collect the unreferenced objects
GC.Collect()
GC.WaitForPendingFinalizers()
End Sub
如果您尝试从Web服务器将其添加到客户端,则不会出现这种情况。 无需让您在客户端或类似设备上安装Flash / Silverlight,就不会超出浏览器客户端软件的安全性。
更新:她是“ 快速浏览Silverlight 3:保存文件对话框 ”以及如何在JavaScript中读写文件
我不确定这是否是您想要的,但是如果您想让用户下载您在服务器端创建的excel文件,则只需将excel文件的内容写入Response中,设置正确的mime类型-然后您就可以了! PS不要忘记清除当前生成的响应。
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