Link to retrieve pdf file from DB- in asp.net

2019-08-27 23:03发布

I have retrieved the pdf file from Database and linked it to a "a href" tag to open pdf file using link. Now I want to give the open/save dialog box before a pdf file opened . - in javascript(by using onclick event in "a" tag to call the javascript)

1条回答
祖国的老花朵
2楼-- · 2019-08-27 23:46

You have to set the content-disposition header using C# to get this behavior in a browser.

Read this for more info

How do I prompt a "Save As" dialog for an accepted mime type?

Downloading a File with a Save As Dialog in ASP.NET

Example

Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName);
Response.AddHeader("Content-Length", targetFile.Length.ToString);
Response.ContentType = "application/pdf";
Response.WriteFile(targetFile.FullName); 
查看更多
登录 后发表回答