How To Delete A Single File From Web Folder

Mar 27, 2010

A blog user uploads pictures to a picture folder on the web server. Whenever the user deletes a post, any picture associated with the deleted post must also be deleted. Every post record is saved with its picture jpg name on the backend.

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[Code]....

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i want to delete images from folder dynamically,but it didnt delete

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thats my code

[Code]....

and thats my CS

[Code]....

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I'm with C# ASP.net , Please help me ... how to delete folder images in an application.

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I have a Silverlight application using a WCF service hosted in IIS. I make use of some aspects of ASP.NET. I have the following folder structure for my application:

inetput
wwwroot
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reports
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report2.pdf
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Web Forms :: Why All Session Is Changed To Null When Delete A Folder

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I use the simple code in onunload's body method like this:

<body
onunload="closeIt()"> ... </body>

The closeIt method is call a server method, like this:

function closeIt ()
{
$.ajax({
type: "POST",
url: "mypage.aspx/myFunc",
data: '{}',
contentType: "application/json; charset=utf-8",
dataType: "json",
//async: false,
success: function(response){},
failure: function(response) {
alert(response.d);
}
});
}
I delete a folder in temp directory in myFunc method. The folder's name is the same of value in Session["id"], like this:
string id = Session["id"];
string temp = "~/temp" + id;
temp = Server.MapPath(temp);
DirectoryInfo dr = new DirectoryInfo(temp);
Directory.Delete(dr.FullName);

When the last code( Directory.Delete(dr.FullName) ) is run, the all session in project is changed to null. If i disable the last code( //Directory.Delete(dr.FullName) ) every thing work properly(all session have the value). Why when i enable the last code, all session are null? What's the problem and how can i solve it?

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i store a image path in a folder as well as database.so i need when a user delete a image from database same time image within folder should be delete.

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just like the upload method with TinyMCE editor is there is any image remove method so that i can remove image through image button

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