Asp.net - Accessing Image File From Virtual Directory?
Dec 24, 2011
I am trying to display an image from a Virtual Directory that is within my website. If I use the follwoing code the image is displayed on the on the Page:
Dim sourcefile As String = Server.MapPath("~/Common/Images/Flag.jpg")
Response.WriteFile(sourcefile)
Response.ContentType = "image/jpg"
But if I try displaying the image in an Image control useing the following code the image isn't displayed:
Dim sourcefile As String = Server.MapPath("~/Common/Images/Flag.jpg")
Image1.ImageUrl = sourcefile
Here is the HTML/ASP code:
<div id="contentQE">
<fieldset>
<span class="graytitle">The Flag Image
[code]....
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Jul 4, 2011
the problem i met is that i have iis 7 running on my pc.in the root file, wwwroot, i have a website folder, namely [apex] which is a virtual directory. in the folder is a bin folder containing a compiled class with namespace.then in an aspx file, i tried to import the namespace and use the class inside the namespace.
[code]...
the namespace and classname has been checked well, no mistake. but at compiling stage, i got "type is not defined " message. ok,then, in iis 7 control panel, i convert the whole website folder from "virtual directory" to "application" type. the problem goes away!
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Mar 7, 2011
I have an external project (DLL) that I have referenced in my project. One of the requirements of using that DLL is to include an XML file in the same directory as the DLL. Now I know in a production environment I could just add that DLL to the GAC and place the XML file in that same folder. However, that doesn't help me when I'm trying to debug it. I have tried including it into the BIN directory but it never gets moved to the Temp directory when compiled.
[Code]...
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Oct 4, 2011
I want to create virtual directory using vb.net. But while creating permission denied error occurs.If im manually creating virtual directory no error..
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Jun 7, 2012
A little while ago, I managed to get WebServices to return JSON as well as XML from the code-behind of an ASPX.
Today, I needed to migrate an existing ASMX WebService to return JSON instead of XML (which was accomplished with little fuss). My problem became evident in testing the new method.
In the code-behind for the ASMX, I created a new method to return JSON instead of XML. The method works, in that it returns the expected JSON however the new routine breaks every XML-returning method in the code-behind (they all throw "System.NotSupportedException: The type System.Collections.Hashtable is not supported because it implements IDictionary." which is unexpected because the return types are all defined as XmlDocument).
If I simply comment out the JSON-returning method, the XML-returning methods function normally. Uncommenting out the JSON-returning method breaks the XML-returning methods again.
While I cannot find any supporting documentation anywhere, this behavior leads me to believe that in ASP.Net 2.0, JSON-returning methods cannot co-exist in the same module as XML-returning methods.
This led me to try separating the methods in sub-classes like so:
<WebService(Namespace:="http://tempura.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<ScriptService()> _
[Code]....
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Mar 14, 2011
i want to assign a virtual directory to application pool using vb.net.how to do this programatically in vs 2008.
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Feb 2, 2010
I'm trying to write an application that will allow a non-administrator user to create virtual directories in IIS6. I've tried numerous different ways of impersonating a administrative account but nothing seems to work to create the virtual directory.
Here's some of what I've tried:
dim sDirPath as string = "IIS://remotehost/W3svc/1/root"
Dim de As DirectoryEntry = New DirectoryEntry()
de.Path = sDirPath
de.AuthenticationType = AuthenticationTypes.Secure
de.Username = tbxUsername.Text
[Code] .....
what is the correct way to impersonate another user in winforms application that will allow me to create the virtual directory without the user that's running the application being an administrator on the web server? I know this can be done, IIS manager allows you to use "connect as" checkbox to do it.
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Feb 24, 2010
What I'm trying to do is upload a file (image) to (possibly) a new directory. My logic is as follows;
If NOT Directory("[URL]" + UserID).Exists
CreateDirectory("[URL]" + UserID)
UploadImage("[URL]" + UserID, Image)
Else
UploadImage("[URL]" + UserID, Image)
End If
Is there a way to do this with WebClient or HttpWebRequest?
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Jul 23, 2009
I know how to do this:
PictureBox2.Image = Image.FromFile("C:Documents and Settings1A.jpg")
But s here way to do something like this:
If category = 1 then
[code]....
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Jan 15, 2009
For some annoying reason you can actually create directories with full stops in them... and Microsoft just so happened to of set the default path for one of the Exchange server log files to go into a folder named Server.log. Yes it is definitley a folder not a file, there are .log files within the folder too though.
So, I'm trying to parse some of these tab delimited log files but I cant actually get at them because whenever I try and access the Server.log directory my code just dies. I mean, it doesnt throw an exception, it just stops executing. The form is still responsive etc but the parsing routing doesnt do anything and if i step into the code i see that it gets to the line that tries to access the server.log directory and then it just jumps straight out of debug mode.
If i move one of the log files out of the Server.log directory then my code works fine so what can I do?I tried using IO.Path.Combine but that doesnt work either (and for once I'm not saying "it doesnt work" and giving you no error details because im useless, its just because there are no error details!)
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Feb 21, 2011
I've a requirement to have PreCompiled webpages and Non-PreCompiled webpages under same application. For example below is my structure:
/Bin
/Test1 (PreCompiled)
/Test2 (NonPreCompiled)
/Test3 (PreCompiled)
I would like these to have their separate "Bin" folders too if possible at all (I tried using "Probing" but I guess that's not allowed for web apps and defaults to "Bin" folder). If not that then definitely some ability for these to work together under one app/virtual directory because I'm not allowed to create another at any cost :(
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Mar 11, 2012
I am trying to access the types file from the project directory for the web root directory. Currently it only accesses it from the C:/, how can I have it access this file from the web root. I would like the file to be in the project folder as types.txt.
[Code]...
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Feb 23, 2011
I am building an intranet site and i want to display the users email(not the complete email), but the subject, from, date and time. However, the first step would be connecting to the exchange server using the NTLM credentials, which are the same, however, i dont want the user to have to type their password to connect to the email.
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Apr 30, 2011
I've been trying to find a Windows API function I can use to generate a virtual file handle in Windows. I'm working with VPC/xVM and I want to create a virtual machine that actually points to my physical hard drive - the methods provided with VPC and xVM for this really suck (I've never been able to get it to work with either virtualization product).
[Code]...
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Mar 8, 2012
I'm working on an asp.net project which has a form with a file attachment capability. Since I'm uploading the form on a server, I can't use a physical path. How do I use the asp:FileUpload with a virtual path?
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Nov 11, 2009
I'm trying to make a program that can mount a file associated with the program as a virtual drive such as PGP does. Encryption isn't necessary to the program, but if it is needed to mount the file as a virtual drive then so be it.
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Jul 20, 2010
I'm creating a simple .NET console application where I want to save a file in a folder that's part of the root project, like so: SolutionName.ProjectNameTestData. I want to put test.xml into the TestData folder. However, when I go to save my XDocument, it saves it to SolutionName.ProjectNameinx86Debug Console est.xml.
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Feb 9, 2012
copying the file from one Directory to another directory by create the folder if that folder is not exists in destination directory.Example:
Source path: C: emp est1.txt
destination path: C:Data
if C:Data doesn't contains "temp" or "test" folder, it should create the folder before copy the 1.txt.[code]....
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Jun 30, 2009
I'll tell you what I'd like to do which is to create a directory listing of every file inside a specified directory and then use a loop to upload each file in this directory to a remote folder via FTP.
[Code]...
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Feb 1, 2010
I am attempting to compare two directory trees. I have the program map the network drive and copy a directory. I need it to verify that the files copied successfully by comparing the source to the destination. If comparison returns equal then perform action1, if comparison returns unequal then perform action2.
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Nov 5, 2011
I'm trying to create a virtual piano using pictureboxes to represent keys that play .wav file versions of notes. I've gotten this to work fine; however, I'm having trouble with two features I want to implement.The first feature is to be able to save what I play in a text file. I thought I could use this code but I'm getting an error. [code] The second feature is to play random keys using the random class. Is there any way I could store the pictureboxes in an array and then use the random class?
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Mar 18, 2011
ive been have a bit of a problem with copying a file to another directory.In my app i display an image, i provide an browse for a new picture button.This feature will copy the file from the users choosen directory and copy it and place it into a specific directory. The problem imhaving is the image i want to replace is in use by the app and wont change.i use picturebox.dispose() to free up the image in memory but it doesnt seem to work.
[Code]...
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Jun 8, 2011
how to get an Iamge from file. I tried using [CODE]image.fromfile"x.jpg"[CODE] but it didn't work when I used it in an array.
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Aug 17, 2011
Is there any simple way to copy a single file out of one directory to a new one?
I tried this:
[Code]....
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May 19, 2010
I'm trying to copy a image for a directory, that my program create if it doesn't exists. The directory is create successfully but the image isn't copy. The error is "couldn't find a part of path".
Here is my
vb
Private Sub btImg_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btImg.Click
Try
If Not IO.Directory.Exists("img") Then
IO.Directory.CreateDirectory("img")
[Code] .....
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Feb 2, 2010
Is this possible ? Im creating a desktop wallpaper changer using a timer to set a delay between images. the images im my directory folder is numbered from 1-15. If you look at the pic below theres an option to select how many images the user wants to display on the slideshow, if a user selects up to 15 thats fine. But what can i do if the user enters a number that exceeds the number of images in the directory.
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Feb 2, 2010
Is it possible to insert an image to a directory from my resources when i start my application?
Im using this to create a directory when the app starts.
Dim dir_name As String = "C:Wallpaper Changer"
If System.IO.Directory.Exists(dir_name) Then
Exit Sub
Else
[Code]...
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Aug 10, 2009
How can i delete image files (ex *.gif) that might be in use, by another process in a directory?
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Oct 8, 2010
I am working on a school project to display a photo of a professor when their name is selected using a RadioButton and to display their name, office office hours and so on.
I have their Photos in a directory on my computer
Theonly thing I cannot figure out is how to use 1 picturebox and link the image to display to the radiobutton.
I have tried all kinds of queries on the internet and cannot locate the answer. There might be something with an Image.FromFile command I saw but that might have been from a previous version of VB and I could not get it to work in VB9.
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Jul 27, 2009
I have some code that allows the user to browse for an image and then when that image is opened, it is copied to a new directory. This all works fine, but I would like to know if there is a way to create a thumbnail of this image and save it into a subdirectory inside the directory where the original image has already been copied?
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