如果我输入以下代码:
Response.ContentType = "image/jpeg"
Response.AppendHeader("Content-Disposition", "attachment; filename=capitol.jpg")
Response.WriteFile(MapPath("capitol.jpg"))
进入Page_Load,我会得到下载图片的对话框。但是当我将相同的代码放入子例程时:
Private Sub downloadPic()
MsgBox("Hello!")
Response.ContentType = "image/jpeg"
Response.AppendHeader("Content-Disposition", "attachment; filename=capitol.jpg")
Response.WriteFile(Server.MapPath("capitol.jpg"))
Response.End()
End Sub
我得到了 MsgBox(仅用于测试),但我无法下载图像。有任何想法吗?