,Hope i get this clear.
I have a asp.net website, as part of it i generate a bitmap and need to save it some were so i can display it later on.
for now my sites is locate here:
http://tools.myDomain.com/mySite/
I have created a directory with in my site:
http://tools.myDomain.com/mySite/img/
Now i am trying to save my bitmap to there like this:
bitmap.Save(#"http://tools.myDomain.com/mySite/img/bitmap.png");
I can get this to work, not from my computer locally and not when i do Publish to my site...
Any ideas how can i fix this problem?
Thank you
You need to save it on the server not on the web
bitmap.Save(HttpContext.Current.Server.MapPath("/img/bitmap.png"));
try
bitmap.Save(Server.MapPath("/mySite/img/bitmap.png"));
Or you can use an absolute path
bitmap.Save("c:\inetpub\wwwroot\mySite\img\bitmap.png");
Note that the path is just an example and should be your absolute path.
You need to add permissions for ASPNET user. It will work for sure.
Related
I have a blazor server app (.net 6) that worked fine locally. I needed to load a configuration file for the Ebay api, so it is a YAML file kept in the structure of my project.
On the server I can hard code access to it with the following path and the site works perfectly:
$"D:/home/site/wwwroot/Config/ebay-config.yaml"
However, when I try to get the exact same result using the relative path method for blazor server I am screwing it up somehow.
$"wwwroot/Config/ebay-config.yaml"
That was the first thing I found and tried. It gives me an error that it can't find $"D:/home/site/wwwroot/wwwroot/Config/ebay-config.yaml". Clearly the relative file path works to an extent, but for some reason wwwroot is put in there twice and it fails.
Using $"{env.WebRootPath}/Config/ebay-config.yaml" gave a similar result, with two wwwroots.
Can someone please tell me what the correct method to use to get to the wwwroot folder from the web server? It is currently hosted on Azure if that matters.
Thanks in advance.
Just in case anyone else comes looking...
Per the comment from Lex I went back and looked at it again. Using the file locationg like this works on both localhost and azure server.
$"Config/ebay-config.yaml"
i just wanna upload afile from a fixed path, so i dont want browse button, I need just a TextBox(Path of my file some thing like c:/junk/upload) and and upload button.some thing like
[TextBox.Path][UploadButton]
or can i get the code in java applets or any other lanaguage?
For security reasons, a webpage loaded in a browser from internet cannot directly refer the local file system. You need a desktop application or plugin to achieve this.
no we can make using asp.net or java applets and yes what you said is right, security reasons! , but every applications has a sand box limits and thats include file handling as default , and we achived that. with out problem
In my project i will be having an link like
Download
I want the users to download files of different types. The file will be in the root folder. When i am clicking on the link it is displaying an error. This is the plugin to install in the chrome. If the user download this link and open then it will automatically add to the chrome.
How can i do this.
The file is not even downloading.
This isn't a valid path:
~/hello world.crx
The ~ character is for use server-side to denote the root of the application. Client-side it has no meaning. The browser doesn't know what the root of the application is (or what the application is at all), it's just sending requests to resources at addresses. And it doesn't know what to do with that address.
You'll need to either use some server-side logic to translate that path into a browser-useable path, or manually make it a relative or absolute path.
If the ASP.NET MVC Framework isn't translating this for you then you're probably using a version that requires a little more manual work for it. Try something like:
Download
(Note: This assumes the use of the Razor view engine. If you're not using that then you'll want to use whatever your view engine equivalent is.)
What you need to do is set up a directory online, where you can host the file.
I also see that in your aref you don't want to type the full path so denote it with a /hello_world.crx, but make sure that you've set up a base href:
<base href="http://yourdomain.com/something/">
Try renaming the file to remove any spaces e.g. "hello_world.crx" and then change the name in the link code to match.
if a webpage and the downloadable file is in the same location
(i.e)
SampleFolder->Download.html
SampleFolder->hello world.crx
then try the below
download
If the webpage and the downloadable file in different location
(i.e)
SampleFolder->Download.html
SampleFolder->Downloads->hello world.crx
then try the below
download
I'm building an application which involves writing some fields to a database, along with uploading some files from the end user to an FTP site. The file upload works fine... in IE. In Firefox and Chrome, I get an error that it can't find the file (running it in localhost at this point, haven't moved it to a dev or production environment yet).
I have tried getting the file via:
Server.MapPath(FileUpload1.PostedFile.Filename)
... which points to the folder the application is residing in.
And also:
Path.GetFullPath(FileUpload1.PostedFile.Filename)
... which points to c://Programs (x86)/... ...
I can get a file to upload properly if I get it from either folder, but nothing from anywhere else.
Any ideas on how to make this point to the right place? Or, will it actually work properly once it resides in a server environment?
Thanks in advance!
FileUpload.PostedFile.Filename works differently in each browser. in Firefox and Chrome it won't include the full path - just the file name. It depends on your customer's browser.
FileUpload.PostedFile.FileName
This actually gives you path of the uploaded file.
But in all the newer browsers (FF 3.6 series, Chrome, IE7+) this feature has been disabled due to security reasons. Any website should not need path of a file stored in client's systems because that gives the directory structure and may expose other important things to website owner.
So in your case, the above code returned only the file name.
you can check this link, it may help you Fileupload control - fullpath issue
I am trying to upload image files to the server and it gives me an error
"System.UnauthorizedAccessException: Access to the path 'D:\Hosting\234344\html\Testingfiles\upload\813.jpg' is denied.at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)"
in the HttpHandler I have :
HttpPostedFile file = context.Request.Files["Filedata"];
string usr_id = context.Request.Form["usr_id"];// gets the JSON data from the request
string strPath = context.Server.MapPath(("/Testingfiles/upload/") + file.FileName);
string ext = Path.GetExtension(strPath);
if (ext.Equals(".jpg") || ext.Equals(".jpeg") || ext.Equals(".png"))
{
file.SaveAs(strPath);
context.Response.Write("Image uploaded successfully");
}
what am i doing wrong here?
The error message says it all. You don't have write access to that folder.
You will need to ask your hosting provider to assign write rights to that folder for the ASP .NET identity.
Also, consider if you can use a folder below ~/App_Data. This is by convention the place to store files that needs write access in ASP .NET, so many hosting providers will allow writes to this folder by default (but you would need to check yourself for your specific host to be sure).
You should try writing to ~/App_Data/ to see if that works. If it does then its just because you haven't given asp.net write permission to the /TestingFiles/Uploads/ folder.
If your control panel has Plesk on it then you can sort this out yourself by going to the FileManager and clicking the permissions button. If you look at your App_Data file permissions for reference, the actual username that you need to add will vary depending on your domain name with plesk.
Other hosting control panels may allow you to do it in different ways.
If you can't find it then you should ask your host how you set up file permissions or look in their knowledge base.
If your control panel has Plesk on it then you can sort this out yourself by going to the FileManager and clicking the permissions button.
I fixed this error by allowing IIS users full access to upload folder. No need to use App_Data folder
For Plesk 12.0 only:
No need to use App Data folder. You just have to give full control to your Application pool group IWPG(username). It will surely work. I searched for many hours and this solution worked for me .
Hope It works for others too.