Refer below code you need call code in your Event where you are sending email with an attachment file. Refer the below code and implement it as per your logic.
C#
// Call this code Where your are sending email at same time you can save file
//string folderPath = Server.MapPath("~/Files/");
string folderPath = @"E:\Images\"; // Your path Where you want to save other than Server.MapPath
//Check whether Directory (Folder) exists.
if (!Directory.Exists(folderPath))
{
//If Directory (Folder) does not exists. Create it.
Directory.CreateDirectory(folderPath);
}
//Save the File to the Directory (Folder).
FileUpload1.SaveAs(folderPath + Path.GetFileName(FileUpload1.FileName));
VB.Net
' Call this code Where your are sending email at same time you can save file
'string folderPath = Server.MapPath("~/Files/");
Dim folderPath As String = "E:\Images\"
' Your path Where you want to save other than Server.MapPath
'Check whether Directory (Folder) exists.
If Not Directory.Exists(folderPath) Then
'If Directory (Folder) does not exists. Create it.
Directory.CreateDirectory(folderPath)
End If
'Save the File to the Directory (Folder).
FileUpload1.SaveAs(folderPath & Path.GetFileName(FileUpload1.FileName))
