C# 无法以编程方式下载.eps文件
我已经创建了一个代码,用户可以从中下载文件。将下载的文件将仅用于图像文件 我的代码如下C# 无法以编程方式下载.eps文件,c#,asp.net,download,eps,C#,Asp.net,Download,Eps,我已经创建了一个代码,用户可以从中下载文件。将下载的文件将仅用于图像文件 我的代码如下 try { System.IO.FileInfo fileInfo = new FileInfo(file.Name); // replace special characters with blank. string filename = GeneralMethods.MakeValidFileName(Path.GetFileNameWithoutExtension(file.Na
try
{
System.IO.FileInfo fileInfo = new FileInfo(file.Name);
// replace special characters with blank.
string filename = GeneralMethods.MakeValidFileName(Path.GetFileNameWithoutExtension(file.Name));
filename += fileInfo.Extension;
byte[] obj = (byte[])file.OpenBinary();
Response.Clear();
Response.ClearContent();
Response.ClearHeaders();
Response.Cache.SetCacheability(System.Web.HttpCacheability.Private);
Response.AppendHeader("Content-Disposition", "attachment; filename= " + filename);
Response.ContentType = MimeMapping.GetMimeMapping(filename);
if (Response.IsClientConnected)
Response.BinaryWrite(obj);
Response.Flush();
// Response.Close();
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
catch (Exception ex)
{
}
finally
{
}
当我使用此代码下载.eps文件时,它无法在客户端应用程序中打开该文件
我的代码中缺少什么?尝试修改此行:
Response.AppendHeader("Content-Disposition", "attachment; filename= " + filename);
看起来像这样:
var cd = new System.Net.Mime.ContentDisposition
{
FileName = filename,
Inline = false,
};
Response.AddHeader("Content-Disposition", cd.ToString());
像这样添加内容配置在过去对我很有效。在尝试了各种代码技巧后,终于找到了答案 我的代码中唯一缺少的是在响应对象中定义内容长度头 因此,代码如下所示:
try
{
System.IO.FileInfo fileInfo = new FileInfo(file.Name);
string filename = GeneralMethods.MakeValidFileName(Path.GetFileNameWithoutExtension(file.Name));
filename += fileInfo.Extension;
byte[] obj = (byte[])file.OpenBinary();
Response.Clear();
Response.ClearContent();
Response.ClearHeaders();
Response.Cache.SetCacheability(System.Web.HttpCacheability.Server);
var cd = new System.Net.Mime.ContentDisposition { FileName = file.Name, Inline=false};
Response.AppendHeader("Content-Disposition", cd.ToString());
Response.AppendHeader("Content-Length",obj.Length.ToString());
Response.ContentType = MimeMapping.GetMimeMapping(filename);
if (Response.IsClientConnected)
Response.BinaryWrite(obj);
Response.Flush();
// Response.Close();
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
catch (Exception ex)
{
Response.Redirect(Request.UrlReferrer.ToString());
}
finally
{
}
现在它在我的情况下起作用了…!!!:-
希望这对其他人也有帮助
谢谢您在应用程序/postscript中给出了行代码,您仔细检查了吗?是的,先生,我检查了。这是一样的。尝试像此应用程序一样给予/eps不确定,但尝试一下。作为旁注,您的案例等同于响应。ContentType=image/+fileInfo.Extension.Remove0。尝试了您建议的代码,但没有帮助..:-@NadeemKhanI按照您的建议更改了代码,但没有帮助