Web Forms :: Downloading A File From Dynamically Created ImageButtons?

Sep 1, 2010

[Code]....

best practices on that? Downloading a file from dynamically created ImageButtons?

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I have code to actually create a CSV file from a Gridview control. What I am trying to figure out is how I can set the default 'Save As File name when the Save As dialog comes up that gets generated from the Response.AppendHeader in the content-disposition ?


Below is my code that I have.

protected
void btnExportExcel_Click(object sender,
EventArgs e)
{
// CurrView is populated from a Session variable
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Web Forms :: Loading ImageButtons Dynamically Using FindControl?

Sep 22, 2010

I have a table where each cell contains an ImageButton, with an iterative ID:

[Code]....

I am then trying to assign a URL to each imagebutton dynamically in a separate code file

[Code]....

Everything compiles, but when I run this I throw a Null Reference Exception: {"Object reference not set to an instance of an object."}

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Web Forms :: Handling Event From Dynamically Generated ImageButtons?

Sep 5, 2010

I have a situation here.

review the following code

[Code]....

Now when user clicks on the accept or reject button, there is an error (could not parse server message) however if there is only one instance of both buttons the code works fine.

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Web Forms :: Send Dynamically Created File Upload Attachment Through Email

Sep 5, 2013

How can i send the fileupload attachment (dynamically created) through email after inserting it in database?

protected void btnUpload_Click(object sender, EventArgs e)
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[code]....

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Save A Dynamically Created .CSV File To The Server?

Mar 7, 2010

I was wondering does anyone know how to save a file to the sever without using a fileupload? What I have is a file that is dynamically created as a .CSV file. Here's that part of the code:

[Code]....

How can I save that to the server instead of poping up a Save/Open dialog box?

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Web Forms :: Use Dynamically Created Controls Such As A Checkbox List And Fill The Values Dynamically?

Sep 28, 2010

I'm creating an quiz application which queries the database and extracts the questions and choices. I use dynamically created controls such as a checkbox list and fill the values dynamically. How do I do this? Right now I have these functions:

array_random_init(); this creates a 10 element integer array from 1-20 - extract_question(i): this extracts a question indexed at i in DB, I created the controls and set the appropriate text in this function. - validate_question(i); this is called by button_click and validates the question i according to DB.

I understand I have to recreate the controls in Page_init on postback, but what should it look like? Do I need to add "if IsPostBack" in page_init, or do I create the controls in page_init() and reset their properties in page_load when I use extract_question(i)? Also, I cannot seem to clear the selected boxes on postback, I added page directive "enableviewstate=false" but it doesn't work.

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Web Forms :: How To Use AddHandler To Dynamically Assign Events To Dynamically Created Buttons

Feb 14, 2011

I have a website that sales associates access to view account information with clients. S.A's can only view information for accounts that they are tied to. Some clients have more than one account, S.A's can be tied to more than one account, but not all accounts of one client need to be tied to one S.A.

On the account info pages, I have account numbers (dynamically displayed labels) displayed of other accounts that the account client is associated with, which the S.A's can see. I'm modding this so that if the S.A has viewing permissions of any of the other accounts on that list of accounts, that instead of a label being displayed, a button directing them to that account page will display instead. In order for this to work, I have to attach a security function to the button, otherwise the page will blow out on the S.A's.

So I'm running a piece that is displaying a button instead of a label, which is working fine. My problem is when I try to attach the security event to the dynamically displayed buttons. It seems that the page just posts back and doesn't execute my code at all.

On my Page_Load, I'm running this after the buttons and labels are displayed:

For x = 0 to tblAccountList.Rows.Count - 1
'use a try to target the button, use catch to handle if it's instead a label, only one cell per row.
Try
Dim accountLink as Button = tblAccountList.Rows(x).Controls(0)
Addhandler accountLink.Click, AddressOf Me.PermissionViewCheck
Catch ex as InvalidCastException
Continue For
End Try
Next

I don't have any code checking for postbacks or anything like that, but the "PermissionViewCheck" event never fires and just reposts the page.

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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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Web Forms :: Downloading A File - File Name Is Shown Incorrectly On Opening

Apr 21, 2010

we are working on a file download page. We want to download a file with a name with spaces and accents. Although the filename is shown correctly on the filedownload dialog, when we click open, the file name is shown with %e1%ba%a3n%20... on notepad. ('Save as' shows the correct name) This problem only happens in Internet Explorer.

Is there anyway we can Display the file name correctly (on the target application) after opening it (without saving) from file download dialog ?

We use this code to set the filename :

fileName = Server.UrlPathEncode(fileName);
Response.AppendHeader("Content-Disposition", "attachment; filename="" + fileName + """);

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Web Forms :: Downloading A File With C#?

Aug 10, 2010

i am making a gridview in which textfield of password should match with the password stored in the database (table) .As soon as that happens, the file should be ready to download . now the problem is that the code is niether working nor showing any error, which is very sarcastic.

if (txtval.Text != null || txtval.Text !="")
{
if (txtval.Text == ds.Tables[0].Rows[0]["FilePassword"].ToString())
{
lblmessage.Text = "File has been downloaded successfully.";
WebClient fileReader = new WebClient();..........

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Web Forms :: Getting Error When Downloading File?

Mar 9, 2011

I have 4 checkboxes named(Laptop, Car, Phone, TV) and a button. when user checks one Car checkbox and clicks a button, car specifications pdf should be downloaded. Similarly when phone or laptop checkbox checked, relevant pdf's should be downloaded. For this i have written following code

[Code]....

This code is working well in VS2008 but has issues when run in localhost.

Issue --> Check one checkbox like chkPhone and click on button, the Phone pdf gets downloaded and uncheck chkPhone checkbox and check other one like chkCar and when clicked on button to download, getting following errors.

1. xml parsing error not well-formed --> this error is getting only in mozilla.

2. HTTP/1.1 100 Continue Server: Microsoft-IIS/5.1 Date: Wed, 09 Mar 2011 05:34:23 GMT X-Powered-By: ASP.NET HTTP/1.1 200 OK Server: Microsoft-IIS/5.1 Date: Wed, 09 Mar 2011 05:34:23 GMT X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 Content-disposition: attachment; filename=Car.pdf;

I have googled the issues and find the following sites[URL] For second issue i added the following line

System.Net.ServicePointManager.Expect100Continue = false;

but still sometimes iam getting the same error. Sometimes these errors raise after downloading 2 files and when tried to download 3rd one.

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Web Forms :: Downloading File Works On Localhost But Not On IIS?

Apr 19, 2010

Here is the code I'm using:

[Code]....

Works great on localhost. But when I upload it to the server with IIS6.it works 25% of the time. the other times, I just get an empty (0 bytes) file to download.

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Web Forms :: Downloading A File With Save As Dialog Box?

Aug 10, 2010

i have designed an c#.net application in which i am uploading the files and saving them into a directory.

now i want to download them.

i had wrote a code to download files,its neither giving any result nor error.

the code is as :

[code]....

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Web Forms :: Downloading An Xml File In Web App Is Of Type .aspx?

Oct 14, 2010

Ive created a Web App where it is possible to download an xml file from the server to the client. It works just fine except that the Save Dialog recognizes the file being dowloaded as of type .aspx and the name of the file as being the name of the page I' on. The page is called Download.aspx and it contains a button that when clicked executes the following code:

[Code]....

The save dialog appears and says:

Name: Download.aspx

Type: ASP.NET Server Page, 1,16KB

From: 127.0.0.1

If I download the file and open it it contains the correct Xml file content and nothing else, so it is working correctly. It just annoys me that it appears to the user that he is downloading the aspx site (and it shows up as such in windows explorer as well) rather than the xml file which is the actual content.

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Web Forms :: Downloading File With Save As Option?

Mar 11, 2010

I created a PDF file. How do I upload this so that members can download the file from my website, with save as poping up.

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Web Forms :: Close Window After Downloading File?

Oct 31, 2010

I have a page that has a note to the user about the file they're about to download and a button to click to start the download. When they click the button, it does a Response.Redirect to another page with the following code in its Page_Load:

Response.Clear()
Response.Buffer = True
Response.AppendHeader("Content-disposition", "attachment; filename=" & FileName)
Response.AppendHeader("Content-length", FileSize.ToString)
Response.ContentType = "application/download"
Response.WriteFile(Page.ResolveUrl(FilePath))
Response.Flush()
Response.End()

I want the download to start and then I want this page (which is a tab in the browser) to close.

The code to download the file works fine. I just can't figure out how to close this tab when it's finished. I've read a lot of forum posts from people who are using similar code, but none of the suggestions seem to work for me. I understand that Response.End means that I can't put any more code this page; it will be ignored. But how do I get this tab to close?

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Web Forms :: Limit Download Speed While Downloading File

Jan 24, 2016

I design download website that use temporary link for this website that users with this link can download their files below are codes

protected void Page_Load(object sender, EventArgs e)
{
using (SqlConnection conn = General.GetConnection())
{
using (SqlCommand _cmd = General.GetCommand("Downloadurl", conn))

[code]....

now how I can merg above code with first code ?

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Web Forms :: Unable To Execute Code After Downloading File To A Browser

Jul 30, 2010

I have a web app which displays some data in a GridView. This GridView is populated with a method called BindGrid. The user selectes one or more rows from the grid, then clicks the Process button. What needs to happen is that the selected rows are assembled into a CSV file which is downloaded to the browser, then the database is updated to reflect which rows were selected, and the grid is refreshed so the previously selected rows are no longer displayed. This all sort of works, except...

My code is below, which is very similar to lots of snippets found in this forum.

The problem is that if I uncomment Response.End(), or replace it with ApplicationInstance.CompleteRequest, it all works great except none of the code after Response.End() executes, and so the log entry is not made and the grid is not refreshed.

If I comment Response.End(), as in the snippet below, the code following does run, including the log entry and the call to BindGrid. (I know that because log entries inside BindGrid are made.) However, the page does not refresh. If I press F5 to refresh the page, it redraws correctly refreshed.

So the question is, how do I refresh the page after downloading the file?

I have tried calling both Response.Redirect and Server.Transfer after BindGrid

For what it is worth, I am using IE7.

[Code]....

[Code]....

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Web Forms :: After Downloading File From Remote Server Other Controls Not Showing

Jun 8, 2012

I am downloading file from remote server in page load using content disposition. After downloading the file i am trying show some other controls in the page. But that controls are showing asp.net .

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Web Forms :: Enable Resume And Pause Option When Downloading File

Jan 24, 2016

According to Link [URL] ....

I used temporary download link that users can download their files with limit speed but here they can't pause their download and start it later see below image

I want active resume capability how I can do it...

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File Name Gets Truncated When Downloading The File Using Mozilla Firefox?

Nov 23, 2010

My requirement is client has to download files which were uploaded by employees. But if the file name contains a space, Mozilla Firefox use only the name up to the first white space and remaining name is truncated. Is it issue with mozilla firefox? if so how can i get rid of this. Important thing is in IE its working well.

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Web Forms :: ImageButtons In ASP DataList?

Feb 14, 2011

I am having a asp datalist on my page, there is a html table inside of the datalist itemtemplate, and inside that html table there are a few controls, including image button etc, plz see the below code:

[Code]....

and this is the code behand:

[Code]....

as you can see, only the ibUser is clickable at the moment, and what i would like to do is to make the other three image buttons also clickable, i had added the onclick event for those 3 images, but since the tblUserCell can not add more than one ClientScript on it, so the other 3 image buttons are not clickable.

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Web Forms :: Downloading File From Server - Unable To Open Internet Site

Jan 27, 2011

I'm running into a problem trying to download a file from the server. I'm receiving a IE 8 "Unable to open this internet site" error dialog.

Basically, I want to open a new page and pass in the file path and mimetype of the server's document using a query string.

My code is as follows:

[Code]....

The JavaScript:

[Code]....

This is the code of the page load event that will transmit the file:

[Code]....

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Web Forms :: Firefox Cannot Detect The File Type When Downloading From Live Server

Apr 28, 2010

i have some problem on downloading file which file types are .doc, .docx and .pdf.

I have wrote the code for downloading when the button is click. the button can download these three types of file when click.

[Code]....

But, i have some weird condition. when i test in my local pc using the firefox, the downloading box popup with the file type detected. but when i upload the code files in live server and test the download button using firefox, the downloading popup but it cannot detect the file type.

therefore, i can proceed the download process using the firefox but i failed to open the files coz it dun have the file type.

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