[C#]使用 Response下載檔案到Client端(Download the file using the Response to Client-side)

問題

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使用 Response下載檔案到Client端



解決方法

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private void downLoad(string filename)
{
 string FilePath = Server.MapPath("~/UploadExcelTemp/" + filename);
 System.IO.FileInfo TargetFile = new System.IO.FileInfo(FilePath);
 Response.Clear();
 Response.AddHeader("Content-Disposition", "attachment; filename=" + TargetFile.Name);
 Response.AddHeader("Content-Length", TargetFile.Length.ToString());
 Response.ContentType = "application/octet-stream";
 Response.WriteFile(TargetFile.FullName);
 Response.End();
}