Ajax - How To Upload A File Without Reloading A Page

Jan 18, 2010

How to upload a file in asp.net without reloading a page

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Similar Messages:

AJAX :: Async File Upload Control - Check File Contenttype Before File Upload Starts?

Jan 13, 2010

I am using the async file upload control to upload to a image file. I want the user to upload only jpg files. And for that I am checking the uploadedfile content type in server side, after the upload complets. I wanna check this, before upload starts. There is one javascript method

function startUpload(sender, args){}

but how to access the content type of the file selected by user.

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AJAX :: How To Change The URL Without Fully Reloading The Page

Jun 3, 2010

I have search functionality on my webpage, that currenly only updates part of the page.

I want to append a search parameter to the URL for the sake of navigation a bookmarking, e.g. "...MyPage.aspx?s=searchstring"

However if I do this:


Then the page fully reloads.

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AJAX :: Missing Tabs When Reloading Page?

May 12, 2010

I have an ajax toolkit tabcontainer that used to work ok. It has three tabPanels and I can work correctly with the content inside them.

Now I'm trying to add some new tabPanels but I face a problem.

The first time the page is loaded I see all the new tabs. If I make any postback due to any control interaction, the new panels are still visible, but when I move to another page and go back to the page with the tabContainer, I only see my three original tabs.

I have to close the web server (the one coming with visual studio) to be able to see again all my tab panels

I've added a new tabContainer and is the same. The first time I load the page I see everything, but the following times I only see my original three tabPanels inside my first tabContainer (the new tabContainer is not seen at all).

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AJAX :: Gridview Only Work Correctly After Reloading The Page In IE?

Apr 25, 2010

Why might gridview only work correctly after reloading the page in IE? And, why does it work correctly on the first page load in Firefox? How might I solve this problem? I thought of trying to instantly reload the page with Javascript if the browser is IE, but this is kind of a bad workaround.

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AJAX :: Updating The Page After File Upload Using AsyncFileUpload Control?

Jan 24, 2011

I am having a strange issue associated with AsyncFileUpload control. after the upload, I am updating the page by calling__doPostBack function from ClientUploadComplete event handler. it works fine first time, but next time I try to upload the file, it refreshes the page first before uploading, then does the upload and refreshes the page again. not sure why refresh page is being called twice once before the upload and once after the upload. I have a simplified version of this code which has this bug.

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AJAX :: Master - Detail Page Reloading The Detail Page With Update Panel

Jul 27, 2010

I have a Page with a FileUpload control on the top with the "Insert" button, in order to insert pictures Below that, i have a Listview showing all the pics. THis is the way i am placing my Update Panel:


How can i, press the INSERT button and reloads only the Content Template after INSERTING?

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AJAX :: AsyncFileUpload And GridView - Getting The Partial Page Postback To Fire After The File Upload Has Completed

May 28, 2010

I have two controls, each placed in their own <div> and <UpdatePanel> on my form. I am having trouble getting the partial page postback to fire after the file upload has completed. I have not used the __doPostBack approach before so I'm not sure if I am heading in the right direction.

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AJAX :: Attach A File Using File Upload Control And Send It In Email Along With Already Attached File

Apr 27, 2016

I have an asp.net panel having various controls including gridview. I have converted this panel into pdf and attached it as an email attachment using memory stream. Everything is working fine. Now I have an File upload control outside panel through which I have to attach a file and send it in mail along with the already attached panel. But I am unable to figure out how to do it.

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AJAX :: File Upload With UpdatePanel Not Working. File Is Null. Updateprogress?

Jan 24, 2011

I'm trying to use below simple code for ajax postback. With file upload, neither javascript the "function startRequest" ever triggers, the file control shows null value somemore.Earlier I had Update progress which didn't work with file upload ever so I removed it. Now I just want to disable the button as the file is uploaded and its inputs are processed in the background. Once the response comes back, the "submit" button is re-enabled.But the file-upload with Updatepanel doesn't work at all. What am I doing wrong,



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AJAX :: Upload Default File When No File Is Selected In FileUpload Control

May 7, 2015

How to set default file in  <asp:FileUpload />

When a FileUpload is null then i want to set defualt file .

regarding my code :

Byte[] imgByte = null;
if (FileUpload1.HasFile && FileUpload1.PostedFile != null)
HttpPostedFile File = FileUpload1.PostedFile;
imgByte = new Byte[File.ContentLength];
File.InputStream.Read(imgByte, 0, File.ContentLength);

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AJAX :: How To Upload And Save File With Unique Random File Name

May 7, 2015

I have a variable:

public static string ClientName;

And the code below which saves an image to a folder on server:

public static void UploadPic(string imageData)
string Pic_Path = Path.Combine(HttpRuntime.AppDomainAppPath, "SavedSig/ClientSignature.png");
using (FileStream fs = new FileStream(Pic_Path, FileMode.Create))


I would like to rename that file evrytime with the value of the variable

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Web Forms :: Server Control Reloading Script File On Postback?

Nov 12, 2010

I created a server control that has some javascript. Everything was working fine until I added it to a page that has localization implemented. The implementation is done within the Global. It sets the Thread.CurrentThread.CurrentCulture and CurrentUICulture based on a setting saved in session. When these values are getting set, the control throws the following error:

Microsoft JScript runtime error: Sys.InvalidOperationException: <file.js> Type has already been registered. The type may be defined multiple times or the script file that defines it may have already been loaded. A possible cause is a change of settings during a partial update.

I have the control contained within an update panel on the page, the control also contains an update panel containing all elements withing the control.

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Web Forms :: Reload Page / Upload A File That File Dont Shows Up In The Gridview?

Feb 11, 2010

i have a page that uploads a file, shows what files are availeble in a gridview and allows the user to donwload or delete the files. When i upload a file that file dont shows up in the gridview i need to reload the page to see the file. Theres any command in C# to do that? like when i click to save the file it saves d file and it does a page reload.

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How To Stop Reloading Of Page

May 24, 2010

I have 2 pages..In Both the pages i have one button.If i click Btn in Page one it should transfer the control to Page2 .But if i Click button in Page 2 it should not reload the Page1.It should just display the data in page1 without reloading.

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AJAX :: Without Reloading Parent Window From Popup?

Feb 14, 2011

I am opening popup window from main window. Now I want to do submit the parent window using window.opener.document.forms[0].submit() . But my parent window reloading again.

Shall we able to partial post back from child window using ajax control?

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VS 2008 PostBack Without Reloading Web Page

Jan 26, 2010

While writing some web apps with VS2008 there are times I have to do a postback. Such as when I select a certain value in a dropdown, I have to load new data an another dropdown. Well, I was reviewing a web site already written by another company and they did the same method. But when the second dropdown was reloaded with data, the page did not reload. How are they doing this? I owuld love to not have the page reload if possible. All I could think of is they are possibly using javascript maybe to do this?

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JQuery :: How To Change URL Without Reloading The Page

Oct 22, 2010

I am using jquery/ajax to grab data from a web service and display them in a div without reloading the page. The problem is that many users want to bookmark or send to someone else their selections to view the same page. At first I thought that changing the URL without changing the page, would be a security risk, however I noticed that Facebook does that in the photo gallery, so it can be done.

I found a method, by changing the window.location.hash, but this apends to the URL the new link after a # and does not change the URL itself. Beyond that, it does not cache the page.

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C# - Reload A Page Without Reloading The Masterpage?

Feb 15, 2011

I have an asp.net website with a masterpage, when I press ,lets say login, it takes me to the login form using


Now, Is there any way I can update the contentplaceholder without reloading the masterpage?

Its actually for my music to keep running in the background. (You can turn it off, don't worry)

Will an UpdatePanel do the trick?

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Web Forms :: Prevent Reloading Page

Aug 14, 2013

I visited website that it loaded very slow so I press F5 to reload page for many time after 5 or 6 time site show error that you reload page many time and didn't show website I want do it for my site that if users reload page morethan 5 time in short period of time it show error...

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Web Forms :: How To Upload File And Save It To Oracle Database And View The Upload File Using C#

Feb 8, 2011

how to upload and save files to oracle database, and view file using C# .net and can upload one or more files in one webform.

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Web Forms :: Can Upload A File On A Network Share Folder Using File Upload Control

Aug 6, 2010

I want to upload files to the web servers from the client machines.

Can i upload a file on a network share folder using file upload control?

I would like to create a share folder on a file server sitting next to the web server. If i upload the file from the network share folder instead of uploading it from the client machine does it make any difference?

Will the file be stored in a temporary location before copying to the final destination? Where will be the file stored in this case of uploading it from share folder?

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Reloading The Main Page From User Control?

Jul 9, 2010

I have a Master page i.e. .aspx and in one of the page which has the main .aspx page is incorpaorated with a .ascx page(User control page). The .ascx page is having a button. so i want to reload the page when i click on this button.Can any one tell me how can i do response.redirect in this secario.

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__doPostBack Reloading Entire Page Instead Of Just The UpdatePanel?

Feb 10, 2011

In my javascript, I have the following line:

__doPostBack('MyPanel', MyParam);

In my code behind, I use MyParam to query a database and bind the result to a gridview that's inside the MyPanel updatepanel. The updatemode of the updatepanel is set to conditional and in the postback part of the code I have MyPanel.Update();

The updatepanel works fine when I'm doing sorting and paging; only the panel is refreshed. However, when I trigger the updatepanel with my javascript, I see the traffic in firebug showing that the entire page is being refreshed.

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C# - Loading Usercontrol On Runtime And Reloading The Page?

Jan 29, 2011

On my page I have a placeholder where I load a usercontrol when I select an item in dropdownlist.

protected void ddlLoadCtr_SelectedIndexChanged(object sender, EventArgs e)
Control userControl = LoadControl("../AleSettings1.ascx");

If I press F5 (IE) after user control was rendered, I get IE's warning window that IE needs to resend the information....
How can I prevent it and why does it happen?

UPDATE:Maybe there is another approach? I want to load specific control (with it's markup) when user selects it from the dropdownlist.
if a postback is made the control shouldn't disappear(only if another control was selected from the dropdownlist) Everything is inside update panel!

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