Pro/cons To Download File From Web?

Nov 7, 2010

In the Windows 7 Enterprise edition with IIS7.If an application's application pool is .net framework 2.0, can it use a class library written using .net framework 3.5?

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Pros/cons Of Reading Connection String From Physical File Versus Application Object

Apr 9, 2010

my ASP.NET application reads an xml file to determine which environment it's currently in (e.g. local, development, production).

It checks this file every single time it opens a connection to the database, in order to know which connection string to grab from the Application Settings.

I'm entering a phase of development where efficiency is becoming a concern. I don't think it's a good idea to have to read a file on a physical disk ever single time I wish to access the database (very often).

I was considering storing the connection string in Application["ConnectionString"].

[code].....

I didn't design the application so I figure there must have been a reason for reading the xml file every time (to change settings while the application runs?) I have very little concept of the inner workings here. What are the pros and cons?

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Show Download Dialog Box In Case Of File Download - Located On Amazon Server

Jan 4, 2010

i am using amazon s3 service. now i want to show download dialog box in my asp.net application when user come on download page. i am using amazon sdk.

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HttpHandlers / Modules :: Redirect Shareware Download URL From A File To A Download Page?

Oct 13, 2010

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AJAX :: Download LinkButton In UpdatePanel Throwing Error While File Download?

Jun 10, 2013

I have added linkbutton inside gridview to download, below is my code..

protected void lnkDownload_Click(object sender, EventArgs e)
{
try
{

[Code].....

its giving me following error

"Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack"

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Web Forms :: Download File Using New Window When Download Button Is Clicked

Sep 2, 2013

I need to download  a .mp3 file from a folder. during download a new blank page should open and after downloading it should close automatically.

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Creating Mobile Website Page To Download Symbian .sis File To Mobile Unable To Download Properly

Dec 10, 2010

i m creating asp.net Mobile website page to download symbian .sis file to mobile ,but its not geting download properly.its working perfectly on desktop.

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Web Forms :: Controlling File Name Of The File Opened Directly From File Download Dialog?

Jul 26, 2010

I am downloading file from database using the following code. This code downloads an excel file from the database which has a macro attached to it when it is opened. This macro reads file name of the excel file and uses it for its computation. Everthing works file if user saves the file on his harddisk and then open if but if he directly opens the file from the dialog(by hitting 'Open' button) then file name of the opened excel file comes out be the name of the webform that has the above code and this leads to error in the macro. Is there any option through which i can control the name of the file if user directly opens the file from dialog or the option to disable or remove 'Open' button form the dialog?

[Code]....

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Viewing File Using .net / To Copy/download File To Local User Machine And To Open

Nov 16, 2010

In our application, we allow user to upload documents which can be PDF, Doc, XLS, TXT. Uploaded documents will be saved on web server. We need to display link for each document user uploaded and when user click on that link, it should open relevant document. it is expected to have required software to open relevant documents.

To upload document, we use saveAs method of FileUpload control and it works absolutely fine.Now, how to view it?I believe, i need to copy/download file to local user machine and need to open it using Process.Start.For that i need to find user local temp directory. if i put path.GetTempPath(), it gives me web server directory and copy file there.

File.Copy(
sPath + dataReader["url"].ToString(),
Path.GetTempPath() + dataReader["url"].ToString(),
true);

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Web Forms :: Can't Start File Download From Server Side Using .aspx File In IE7

Mar 26, 2011

This below code i have used in my aspx page for file download.

Response.AppendHeader("content-disposition", "attachment; filename="" + emailAttachment.FileName + "";");
Response.ContentType = "application/octet-stream";
Response.OutputStream.Write(emailAttachment.Data, 0, emailAttachment.Data.Length);
Response.End();

This block of code display Download file Dialog for Open or Save the attached file.It's working fine in Mozila Firefox and IE8 but doesn't display Download file Dialog box in IE 7

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Web Forms :: Secure File Download / Hide File Path And Location While Downloading Files

Jan 14, 2013

I have made an application where I am displaying the .pdf , .doc , .docx  files. These files are uploading from an Admin Panel.When user place a mouse pointer on download icon provided in front of every file, it shows the complete path where it’s get saved.I want to avoid this path visibility even when user place mouse on download icon and even if it Inspect an element (as most modern browser will have this functionality).

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IE Errors On File Download Through .ashx File With Caching Turned Off?

Feb 1, 2011

I have a simple 'file download' generic handler which sets the response contenttype and headers before sending the file through the same response.

I also have Response.Cache.SetCacheability(HttpCacheability.server) set in the global.asax.

As I have noticed from various sources, Internet Explorer doesn't like this no-cache setting and gives an error when trying to download the file (requested site unavailable or cannot be found).

I thought maybe I could override this setting in the .ashx page, so I alter the response's cacheability setting to public. This did not solve the issue. removing the line from global.asax does solve the problem but obviously affects the whole site.

Is there a way of setting the cachability just for my generic handler?

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Intermittent Bug - IE6 Showing File As Text In Browser Rather Than As File Download

Dec 30, 2010

In an ASP.NET WebForms 2.0 site we are encountering an intermittent bug in IE6 whereby a file download attempt results in the contents of the being shown directly in the browser as text, rather than the file save dialog being displayed. Our application allows the user to download both PDF and CSV files. The code we're using is:

HttpResponse response = HttpContext.Current.Response;
response.Clear();
response.AddHeader("Content-Disposition", "attachment;filename="theFilename.pdf"");
response.ContentType = "application/pdf";
response.BinaryWrite(MethodThatReturnsFileContents());
response.End();

This is called from the code-behind click event handler of a button server control. Where are we going wrong with this approach? Edit Following James' answer to this posting, the code I'm using now looks like this:

HttpResponse response = HttpContext.Current.Response;
response.ClearHeaders();
// Setting cache to NoCache was recommended, but doing so results in a security
// warning in IE6
//response.Cache.SetCacheability(HttpCacheability.NoCache);
response.AppendHeader("Content-Disposition", "attachment; filename="theFilename.pdf"");
response.ContentType = "application/pdf";
response.BinaryWrite(MethodThatReturnsFileContents());
response.Flush();
response.End();

However, I don't believe that any of the changes made will fix the issue.

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Web Forms :: Force File Download On Remote File Server

Sep 13, 2010

I'm trying to force a large (200+ MB) file to download that's on a remote server. The problem is that I can't use the "WriteFile()" function, since I'm not using a virtual path. Then, when I try:

Response.AppendHeader("content-disposition",

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Download Existing File From IIS Results In File Does Not Exists (404)?

Mar 25, 2010

I have a full working web site that i ported to a new hosting company. In some pages i have links to PDF on the server (they do exist!) On the old server no problem. On the new one when user clicks on the link : error 404 file does not exist.. Should i look in the web.config ? i don't know where to start

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Web Forms :: Download File Using Path Stored In XML File

Jul 25, 2013

I need to retrieve and save a word document from a xml document ... I can retrieve name, phone number that and all .but i do no how  download and save a word document from xml database .  

<?xml version="1.0" encoding="utf-8"?>
<registeration>
<Date>
</Date>
<Name>
</Name>
<Qualification>

[Code] ....

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Download File From Database By File's Path

Apr 4, 2011

I had a download task in my project, which inserts files and downloads these files. I did my table in database and have a column which has the path of file and folder in project which will have the files. I did this well and my files insert well in folder and path in database. But I could not download these files from folder with the ID of path from database

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How To Get File Size Of Multiple File Download

Nov 15, 2010

I am writing an ASP.NET web application.

I calculate the total size of my PDF file which is mentioned below. What does this return? When I download a 2KB file, it returns a size of 2KB, which is correct. But when I download 2 files each of size 2KB, then the total size it returns is 2.16KB. Is that correct? Should it return 4KB?

[code]....

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Remote File Download Via Corrupted File?

Mar 31, 2011

I am using the code below which I have found on one of the forums to download a file in remote server. it seems it is working. However, the downloaded file is corrupted and I cannot unzip.


[code]....

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C# - What's The Pros And Cons Using Membership

Nov 23, 2010

I'm building a new website and How to use the asp.net membership for the authentication process (login, registration, password recovery, etc..). I saw that everything is stored in an XML file. I would like to know what are the pros and cons using the membership instead of to build something from scratch.

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Pros And Cons Of Using This Keyword In C#

Mar 5, 2011

Possible Duplicate: When do you use the “this” keyword? In programming you can use the this keyword this.Textbox or just Textbox What is the best practice? Some benefits I can see is that using this makes it easier to see in intellisense and makes it easier to understand that it is a property. Currently I don't use this... I read in some article somewhere that the guy removed all the references, but I don't remember why.

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MVC :: Pros And Cons Of MVC Framework

Nov 19, 2010

I am a solutions developer in India. I have been working on traditional ASP.net for some time and have been hearing alot about MVC framework. So, i am writing this Post just to have some reviews from you all that what are the major pros and cons of MVC framework. And in which areas/ cases it is suited the most, i mean business websites or commercial websites or Casual Websites. Just to add i am into developing MES portals for Manufacturing companies. So, would want to know is MVC suitable for the same.

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Empty File With MVC File Download?

Aug 25, 2010

Related to my previous question on this matter, where the file was not being produced, the file returned by the following code is now empty. My controller action is declared as follows, then has a body that generates CSV lines from records for export. The CSV generation works.

[Authorize(Order = 0, Roles = "Requester,Controller,Installer")]
public FileStreamResult ExportJobCards()

In the following code that should return a populated CSV file, lines is of type List<string> and has 126 items. sw.BaseStream has the value 770048 for both its Length and Position properties. A zero byte file is returned to the browser, however.

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Web Forms :: File Download File Name?

Oct 20, 2010

I have a asp.net application in which i am downloading Excel files that are saved as BLOB in SQL database. These files use their file name in the Workbook_Open method to fill in some cells in the sheet to create templates. I am able to download file with the correct file name if i click 'Save' in the file download dialog and then open the file. This create one extra step for the user....Is there any way by which i can click 'Open' button in the file download dialog and it gives the correct filename to the downloaded file instead of the name of the .aspx page that i am using in downloading?Here is my code

[Code]....

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C# - Pros And Cons Of Using JSON For WCF Service

May 1, 2010

What are the pros and cons of the following 2 cases: Case I: Traditional way: Add service reference in project. Create object and Get data from service on server side and bind to asp.net grid. Case II: Update Service for JSON behavior. Add service reference in project. Call service from javascript to get data. Bind data to jquery grid. Which one is the best approach and why?(Not developer point of view)

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