Web Forms :: PDF Loading "file Damaged Or Corrupted With Message Box"
Nov 25, 2010
In my asp.net application. I am making one pdf template then bind the data with that template then save it on one folder. then pop the pdf file from that saved directory. Now all are fine. The problem is when i host the application sometimes i am getting message as the file is damaged or corrupted with message box. But when i get this error the i am going to refresh the page i will get the pdf file with data. Why It is not coming very first time. Why it is getting when we click on the refresh of browser.
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Mar 13, 2010
I am trying to display a PDF file in my ASP.net page based on the binary data received from the ASP.net Web service. Below is the code. though I am getting the data from the Web Service for some reason, if I run the below mentioned code on page load I am getting the above mentioned error.
Response.Buffer = True
Response.ContentType = "application/pdf"
Response.AddHeader("Content-Disposition", "Inline")
[code]...
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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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Oct 7, 2010
I have used this example when exporting data to PowerPoint:
I have modified the GenerateSlidesFromDB() method:
public void GenerateSlidesFromDB()
{
string slideName = @"C:UsersxDesktopoutput.pptx";
File.Copy(@"C:UsersxDesktopTest.pptx", slideName, true);[code]....
As you can see I overwrite the placeholder with "Test User", and it works like a charm.I need to add an image (as a placeholder) to this pptx-file. When I do that (and run the code again) I get a corrupted pptx-file?
Error message: PowerPoint removed unreadable content in output.pptx. You should review this presentation to determine whether any content was unexpectedly changed or removed.
Edit: If I try the original code (which is slightly modified since I dont have Adventureworks), I get some other kind of error message:
This file may have become corrupt or damaged for the following reasons: Third-party XML editors sometimes create files that are not compatible with Microsoft Office XML specifications.
The file has been purposely corrupted with the intent to harm your computer or your data. Be cautious when opening a file from an unknown source.
PowerPoint can attempt to recover data from the file, but some presentation data, such as shapes, text,and formatting, may be lost.
Do one of the following:If you want to recover data from the file, click Yes.If you do not want to recoverdata from the file, click No.
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Jan 8, 2010
It has a part where it sends new users their first password in email.. and yes I'm getting that annoying cannot access CDO.Message object error traced back to the "Error loading type library/DLL" message. but I remember that it used to work fine with my old computer I started the development on.
1. It isn't a permission error.. like most cases (tried granting admin access to the ASPNET user)
2. I have the required dll files registered (checked them several times and even reinstalled them a few times)
3. Tried putting only that piece of code in a new application to be able to experiment.. Started commenting out blocks of code until it finally "worked" (I didn't get the error). So it seems like I only get the error if I add a mail field (which is bad since I need those for authentication..)
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Apr 28, 2010
I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive C# code runs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs. How do i show a message in this case, that the processing is still going on and ask the user to wait? I have used javascript to show a message on page unload. But this message is also erased when the page is posted back to the server and the user sees a blank white page on his browser. How do i avoid this white page? Is there a way to show a message in the blank white page? How do i show a processing Message while the page is loading upon on Post Backs to the same Page.
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Apr 28, 2010
I am using ASP.NET 2.0 with C#(No AJAX) in my project. In a particular web page, when the a button is clicked, some server intensive processing occurs before the same page is displayed again with the results. While code execution happens on the server in response to Button_Click event, a blank white page is shown to user on his browser in between post backs.
How do i show a message in this case, that the processing is still going on and ask the user to wait.
I have used javascript to show a message on page unload. But this message is also erased when the page is posted back to the server and the user sees a blank white page on his browser. How do i avoid this white page? Is there a way to show a message in the blank white page ?
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Jun 21, 2010
When i try to insert html text into a div (i made it runat=server and i populate the div with html text. it's look like this,
string htmlData = "< html > blabla...< /html >";
divcontent.innerHtml = htmlData;
the page is damaged.but when i take the same html data and put it as is in an html file its shows properly.what should i take in consider ?
p.s. i am writing in asp.net (c#) VS2005.
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Jun 10, 2010
I have a page that performs a long-running task (10 to 15 seconds) in the page_load method.
I have client-side javascript code that will display a decent "page loading" animated gif to the user.
I am able to invoke the JavaScript method from the code-behind, to display the "page loading" animated gif, however, the long-running task is hanging up the UI such that the animated gif doesn't actually display until after the long-running task is complete, which is the exact opposite of what I want.
To test this out, in my page_load method I make a call to the JavaScript method to display the animated gif. Then, I use Thread.Sleep(10000). What happens is that the animated gif doesn't display until after Thread.Sleep is complete.
[Code]....
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Sep 7, 2010
My web application is make time to open First page due to various data control on the page and values are coming to that control from database so i want to show the loading message of gif image during page loading delay. I have written this code in my master page but that image is not showing the application.
<html xmlns="http://www.w3.org/1999/xhtml" >
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May 7, 2015
after i can copy my file to another folder i realised that if this webapplication is used by multiple users at once, then some users are going to get locked out because each one is trying to copy those files.
so how do i tell the user thats trying to use a file to wait untill the file is available.
StreamWriter WriterTotxt = new StreamWriter("date.txt", false);
DateTime LastAccess = File.GetLastWriteTime("path.dbf");
WriterTotxt.Write(LastAccess);
WriterTotxt.Flush();
WriterTotxt.Close();
string ReadTextFile = File.ReadAllText(txtFile);
DateTime test = Convert.ToDateTime(ReadTextFile);
if (File.GetLastWriteTime(LatestUpdatedTime).CompareTo(test) > 0)
{
File.Copy(Path.Combine(sourcefile, fName), Path.Combine(destinationfile, fName), true);
}
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Jan 21, 2011
suppose my page content is huge so in my asp.net application i want to show busy icon with percentage downloading the content in client side. i saw many flash and sliver light site that they show busy icon and also they show percentage that means how much content has been loading in client machine. how could i achieve this using JQuery and when page content has been downloaded in client machine the busy icon goes out and actual page content will display.
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Sep 20, 2015
I have followed tutorial at [URL] .....
The file does upload via ftp but it is corrupt when downloaded. I've tried uploading a jpg file.
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Dec 25, 2010
I am using :
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example assumes the FTP site uses anonymous logon.
request.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com");
// Copy the contents of the file to the request stream.
StreamReader sourceStream = new StreamReader("testfile.txt");
byte [] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
sourceStream.Close();
request.ContentLength = fileContents.Length;
Stream requestStream = request.GetRequestStream();
requestStream.Write(fileContents, 0, fileContents.Length);
requestStream.Close();
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
For uploading images and songs to the server. But the file is getting corrupted on upload. Normal upload is getting error due to security reason and access issues.
Had to dwell on to ftp. But in this case, file is getting corrupted.
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Sep 30, 2010
I have a TxtBox and a DropDownList. Right now, the DDL contains 3 different items.
[Code]....
Instead of the string "001 was chosen", I would like to be able to load a .txt from the same server as the website, for instance sss/001.txt. So that the content of the txt file is being loaded into SSTLTxtBox.Text.
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Feb 23, 2010
I have been receiving this error despite of the fact i have set the following inside web.config
[Code]....
The error description is as follows: Source: System.Web Message: The state information is invalid for this page and might be corrupted. Stack Trace:
at System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError)
at System.Web.UI.HiddenFieldPageStatePersister.Load()
at System.Web.UI.Page.LoadPageStateFromPersistenceMedium()
at System.Web.UI.Page.LoadAllState()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequest(HttpContext context)
at ASP.pages_aspx.ProcessRequest(HttpContext context)in c:WindowsMicrosoft.NETFramework64v2.0.50727Temporary ASP.NET Files
oot2cade9c6ad55f41App_Web_pages.aspx.cdcab7d2.8ksggavg.0.cs:line 0
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
Data:System.Collections.ListDictionaryInternal Browser Capabilities
IP Address = 212.235.106.121
Type = Opera8
Name = Opera
Version = 8.00
Major Version = 8
Minor Version = 0
Platform = WinXP
Is Beta = False
Is Crawler = False
Is AOL = False
Is Win16 = False
Is Win32 = True
Supports Frames = True
Supports Tables = True
Supports Cookies = True
Supports VBScript = False
Supports JavaScript = True
Supports Java Applets = True
Supports BackgroundSounds = True
Supports ActiveX Controls = False
Browser = Opera
CDF = False
CLR Version = 0.0
ECMA Script version = 1.4
MSDOM version = 0.0
Supports tables = True
W3C DOM version = 1.0
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Jan 20, 2010
i am using Master Pages for my site(VS-2005). A page in my site gives user information about a city which he has selected from a drop down list. I want that when a user selects a city's name from a drop down list control, then a particular HTML file of that city should get loaded into that page. The ASP.NET page should remain same but only loaded file should change. If a user has chosen London then the HTML file of London should be loaded, if the selection is Paris then XML file of Paris should be loaded in the same Page. How can I do that ?
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Nov 5, 2010
I have a solution which contains 3 silverlight projects which I want to load in my form on a button click. So, the first xap file is loaded by default and I want to change the source dependant on which button is clicked. Can anyone give me advice on this or point me in the direction of an article or tutorial?
Here is the basic code at the moment:
<body>
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May 15, 2010
I have a HTML file which I want to load, say in a Label control. This HTML file have a series of unordered list, which acts as a vertical menu links for the various sections of the file.Now, I have no idea whether these links, inside the HTML file, will work if I load it on Label control. Is there any other way of doing this ? I want those links to work when the file gets loaded.
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Jun 21, 2010
I load a file using the FileUpload Control but it say I don't have a file? Please my code what am I doing wrong. Am I forgetting something.
[Code]....
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Jan 17, 2011
I am trying to configure my web application to send emails to my email address in case of any error . Below is my coding in the web config file, I am following example from a book cuase I AMM A nOVICE TO VISUAL STUDIO AND .NET AND C#. THE NAME OF THE BOOK IS ASP.Net E-Commerce in C#. I am not sure what to put in for the MailForm value since the book did not say could someone tell me .
[Code]....
In my other configuration file under the App_Code folder I have this coding Below:
[Code]....
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Jan 20, 2012
I am able to save outlook msg file using Microsoft.Office.Interop.Outlook.dll
Dim objOutlk As New Outlook.Application 'Outlook
Const olMailItem As Integer = 0
Dim objMail As New System.Object
objMail = objOutlk.CreateItem(olMailItem) 'Email item
objMail.To = "test@gmail.com'
[CODE]...
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Apr 23, 2010
I have standard asp.net file upload control on a page. If a user try to upload large file they get all the cryptic error messages like page not found etc.I dont want them to be able to upload large files, but still want to show gracefull error message saying that file is too large to upload or something like that. Is there any way to do that?
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Sep 29, 2010
a file (Message.ini) contain the ID ,Message such a format is
1001-Select the NAme,1002- Fill the father Name
how to use message Id in our asp.net Page such as
alert(1001);
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Jan 24, 2010
I'm having a problem with a web app I'm managing. Users starting receiving the following error occasionally:
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
The problem is that it's not a cluster - it's a single Windows 2003 server. After digging around, it appears that adding a machineKey section and some extra attributes to the Pages directive in my web.config resolves this error:
<machineKey validationKey='MACHINE KEY SNIPPED'
decryptionKey='DECRYPTION KEY SNIPPED'
validation='SHA1'/>
<pages validateRequest="true" enableEventValidation="false">
After changing these two things in my web.config, the error goes away, but now I have a new problem - Instead of an error that my viewstate is invalid, the app just "Forgets" who my user is, and sends them back to the login page. Now, the users are browsing through the application, and then they're unexpectedly sent to the login page, even after they've already been logged in for a few minutes. While I can't force this to happen, it usually happens within visiting 10-12 different pages, so pretty frequently.
I'd love a resolution to this - does anybody know what else might be causing the viewstate error on a single server, or what I can do to ensure that it's validated properly?
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