Below is my code :
ActionResult DownloadAttachment(student st)
{
var file = db.EmailAttachmentReceived.FirstOrDefault(x => x.LisaId == st.Lisaid);
byte[] fileBytes = System.IO.File.ReadAllBytes(file.Filepath);
return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, file.Filename);
}
This is the script which i'm using
$(function () {
$("#DownloadAttachment").click(function () {
$.ajax({
url: '@Url.Action("DownloadAttachment", "PostDetail")',
contentType: 'application/json; charset=utf-8',
datatype: 'json',
type: "GET",
success: function () {
alert("sucess");
}
});
});
});
How to return the file for download pursing above code?
I think there is no need of Ajax call you can do simply using hyperlink as below example.
View Code
<a href="@Url.Action("DownloadAttachment", "PostDetail", new { studentId = 123 })">Download Form</a>
Controller Method
public ActionResult DownloadAttachment(int studentId)
{
// Find user by passed id
var file = db.EmailAttachmentReceived.FirstOrDefault(x => x.LisaId == studentId);
byte[] fileBytes = System.IO.File.ReadAllBytes(file.Filepath);
return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, file.Filename);
}