epplus を使用して作成した Excel ファイルに入れることができるように、グラフの画像を保存しようとしています。
Response.ContentType = "image/bmp"
Response.AppendHeader("Content-Disposition", "attachment;filename=chart.bmp")
Chart1.SaveImage(Response.OutputStream)
Dim imgchart As Bitmap
imgchart = New Bitmap("chart.bmp")
Using package As New ExcelPackage(newFile)
' add a new worksheet to the empty workbook
Dim worksheet As ExcelWorksheet = package.Workbook.Worksheets.Add("LIMS")
'Add the headers
worksheet.Cells(1, 1).Value = "Analyzer Time"
worksheet.Cells(1, 2).Value = "Analyzer Data"
worksheet.Cells(1, 3).Value = "Lab Date"
worksheet.Cells(1, 4).Value = "Lab Data"
Dim row
row = 2
For i = 0 To count1 - 1
worksheet.Cells(row, 1).Value = col1(i)
worksheet.Cells(row, 2).Value = col2(i)
row = row + 1
Next
row = 2
For i = 0 To labcount - 1
worksheet.Cells(row, 3).Value = col3(i)
worksheet.Cells(row, 4).Value = col4(i)
row = row + 1
Next
worksheet.Drawings.AddPicture("chart", imgchart)
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
Response.AppendHeader("Content-Disposition", "attachment;filename=chart.xlsx")
package.SaveAs(Response.OutputStream)
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
Response.AppendHeader("Content-Disposition", "attachment;filename=chart.xlsx")
Response.WriteFile("chart.xlsx")
Response.End()
End Using
このコードで何を修正する必要がありますか? ファイルストリームと応答は初めてです。