HtmlEncode Isn't Encoding Properly?

Dec 2, 2011

It doesn't appear that the strings are being encoded.

Issue: Dim encodedStr As String = HttpUtility.HtmlEncode("<p>This is a test</p>")

The output produces:<p>This is a test</p>

Expected result:&lt;p&gt;This is a test&lt;/p&gt;

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HTTPUtility.HtmlEncode Function?

Jul 24, 2011

Im generating some html on the fly inside my application and saving it to an xml file.. All of this is working just fine, everything but the HTML Encoding.I have a stringbuilder which I am using for generating a small amount of html.. When I html encode the string I am getting & EVERYWHERE? and there are no & symbols!

[Code]...

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Use The HtmlEncode (or HtmlDecode) Function In Visual Studio?

Dec 21, 2011

I'm making an application that involves logging into a server, however, the post data needs some encoding.

Dim strEncUsername As String = Server.HtmlEncode(Me.txtUsername.Text)

However, since this isn't an asp.net application, this doesn't work. How the hay am I supposed to do this? I tried looking for an Imports thing, but no real luck.

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Asp.net - 4.0 Framework Request Validation Will Not Allow Code-behind To Htmlencode Textboxes?

Jan 8, 2011

I have a form that I have been getting submissions that have punctuation and special characters that trigger the potentially dangerous Request.Form value error. I have been trying use the httpUtility.htmlencode and Server.htmlencode method to sanitize textboxes and textareas.All my tests do not fire because the built-in request validation of the 4.0 framework prevents the code-behind from executing to perform the sanitization. I have included the ValidateRequest in the page header but no matter what I set it too it still does the same thing.

This is the code I have so far.

Session("RequestID") = Server.HtmlEncode(txtRequestID.Value)
Session("FirstName") = Server.HtmlEncode(txtInstFirstName.Text)
Session("LastName") = Server.HtmlEncode(txtInstLastName.Text)

[code]....

What can I do to make this work? According to all the websites I have visited it should work.

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EnCoding Message To DDE Client Using System.Text.Encoding.ASCII.GetBytes (message)?

Oct 28, 2009

I am sending a DDE message to a client using System.Text.Encoding.ASCII.GetBytes(item) . However, before the message is actually sent, I would like to get the message coded where if the item="Ask" then item=Ask (string variable) and so on. The code is:

Protected Overrides Function OnRequest(ByVal conversation As DdeConversation, ByVal item As String, ByVal format As Integer) As RequestResult
' Return data to the client only if the format is CF_TEXT

[code]....

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Html - Difference Between System.Web.HttpUtility.HtmlEncode And HttpServerUtility.UrlEncode?

Mar 1, 2012

They both encode html

Why microsoft use several different function?

Which one is better? are there any strings that are encoded differently between 2 functions?I notice that System.Web.HttpUtility. HtmlEncode doesn't work in client framework. Why?

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How To Properly Open A Image Using Bitmap Class And Dispose It Properly

Jun 22, 2010

I am looking for a code snippet which opens a image, creates a clone of this bitmap in memory disposes this opened image so that all handles are closed.

Usually we can open a bitmap using this[code...]

the following code however keeps the Image File locked until the application is running, any suggestions how to dispose it properly. (So that no handle is left open )

Things i already tried: use dispose method of bitmap <= doesnt work (need to write implementation)
Using Block also doesnt work.

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After Encoding By Base64 Or UTF-7

Mar 11, 2010

url...we get the encoded as alphapet base64..i want to talk as low level programming what will happen or this data how it will represent as binary and send it is it encoded again as ascii to binary or there is another idea.

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C# - Text Encoding (In .Net)

May 3, 2011

I have done very little with encoding of Text. Truthfully, I don't really even know what it means exactly.

For example, if I have something like:

CODE:

Is that 'encoded' in memory in a particular format? Does that format depend on what language I'm using?

If I were in another country, like China, for example, and I had a string of Chinese (mandarin? My apologies if I'm using the wrong words here) would the following code (that I've used fine on English strings) still work the same?

CODE:

Or would it lose all meaning when you convert that .Net string to a UTF8Encoding when that conversion isn't valid?

Finally, I've worked with .Net for a few years now and I've never seen, heard, or had to do anything with Encoding. Am I the exception, or is it not a common thing to do?

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Textbox Encoding Bug?

Jun 4, 2010

this is a continuation from the root cause of the problem exposed in this other thread. I'm starting a new thread with a different topic name because I think it is not related to the other thread's topic (which was encryptioto enumerate them.Anyway, we found out that some characters become changed from what their original byte value was, when you put them into a textbox.The specific characters are as follows:Unicode char

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.net - Encoding String To ISO8859-1

Feb 18, 2010

I'm using this code to convert string to ISO8859-1

[code..]

But the problem is when an user writes this caracter:

EXAMPLE:

[code...]

I think that my code is wrong. Because if I send the same string encoded "price+80%2BVAT", Why in VB.NET code not runs and in PHP runs fine? Is the same encoded string.

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.net - Encoding.ASCII.GetString()

Mar 26, 2011

i got a problem when receiving data from networkstream that was converted from bytes to string.. the output would be the same but when i compare the the string generated from Encoding.ASCII.GetString() compared to the actual string, the output is not the same..

This is my code..

Server:

CODE:

Client:

CODE:

just for ping purposes.. :)

my server pings to client..is there any instance that when the string will be converted to bytes, the string will change?

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.net - What Is The Default Encoding For A String

Apr 27, 2012

I have a simple question about string. Consider following code:

Dim S1 as String = "abc"

What is the encoding for S1? Is that UTF-8 or depending on user windows local setting?

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Base64 Encoding Images In CSS

Apr 20, 2012

I am writing a little project to parse a CSS file, and base64 encode all the background images.While I am able to parse the CSS correctly, it seems that everytime I try to convert the image file into a base64Encoded string, the string returned is always exactly the same.Please assume that all image paths are passing correctly to the method. In this instance, all images are fully qualified urls, so the first section of the method is what is doing the conversion.[code]

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Create Xml File With Encoding UTF-16?

Sep 10, 2009

i have a task to create ,read,update xml file this file have encoding UTF-16. when i create using vb.net ,i am using xmltextwriter. i cannot find encoding UTF-16. it is only have UTF8,UTF7,UTF32. that's don't have UTF16.that's anyone have clue or link to guide me create,read,update file xml with encoding UTF-16??

Imports System.Xml
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim writer As New XmlTextWriter("product.xml", System.Text.Encoding.UTF8)
writer.WriteStartDocument(True)

[Code]...

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Detect The Encoding Of A Stream?

Sep 6, 2011

I would like to know the way a stream or a string is encoded before converting it. If a string is not utf-8 it would be converted to utf-8.

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Encoding - Prevent .net From Differentiating à To A?

Mar 20, 2012

We know a tolower function will turn all A to a How to turn all à to a.The purpose is I am creating ids for databases and id need to be unique. Sometimes the same stores are written as à in one place and as a on other places. This will create duplicate id problem.So I need a function that will turn all à and all of it's variation into a. The same way ě should become e.

Basically I would use utf8_unicode collation on my databases. Letters that count as the same letter under that collation should map to the same character under this function.I need to make sure that all other east asian characers are not affected in anyway.

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Jun 15, 2011

I have a challange to convert the detected Encoding format of Text file to selected Encoding format. Like if the detected file is in Utf-8 and if user want to convert the encoding to Utf-16 or ANCII or Unicode. It will happen on one button click and the file will convert to the desired output encoding format.

Right Now I am able to detect the encoding but conversion not happening.

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Jun 2, 2009

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Due to certian characters that may appear in the data such as ' " Null and such I run a little replacement routine on the data before I save it on the device and run the reverse before I try to rebuild the image. This also seems to be working.

Now if I save the data as a file on the device and load that file into my viewer the sig shows up just fine. It works with both the file that has had the replacements done as well as the one which has not. However when I transfer the data via my vb 6 application the sig is then distorted when viewed.

I have written the data to file as it comes into the pc and again after it has been parsed and in both cases it does not match what was actually in the file on the device that is being sent and I can not for the life of me figure out what is going on here.

Code:

sBytes = Encoding.Default.GetBytes(DataString)
bSent = wSocket.Send(sBytes)


Code:
Winsock1(Index).GetData strData, vbString

When I compare the file created on the handheld device with the one created ont he pc from the data received it gets odd. In text mode both files look alike even with the terminal font enabled but in binary mode they are different.The first noticable difference in Hex View is a ways into the first line the file from the handheld device has C3 A0 but the file written on the pc has E0 instead from there on all bytes are shifted by 1 yet when I look at it in text view no bytes are shifted and the character displayed where C3 A0 is in one and E0 in the other is the same accented a character.

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Jun 16, 2010

I have a byte array that I'm encoding to a string:[code]Then I write that to a file via IO.File.AppendAllText.If I open that file in 010 Editor (to view the binary data) it displays as this:47 43 44 53 79 73 74 65 6D 73 3F 0A 01 32 31 36..The original byte array contained 89 at position 11, and the encoded string contains 3F.If I change my encoding to Encoding.Default.GetString, it gives me:47 43 44 53 79 73 74 65 6D 73 E2 80 B0 0A 01 32 31 36.

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Encoding Video Preferably AVI Or MP4

Dec 25, 2010

What I have is a program that is receiving an image from my webcam 4 times each second.. What I am currently doing is just forwarding that image to a picturebox on my main form.. I do not keep the image in memory so as not to clog it up.. When you look at it seems like a video feed. Now what I want to do is to take that image every time it comes.. and put it into a video file, so as to record everything that is being seen by the camera.. Is there any way to encode a video preferably avi or mp4 video..

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Encoding, Decoding Function?

Dec 9, 2010

I have a pretty stupid problem I've done a simple string encoding function but I'm having some trouble to decode it again

Encoding Function
Private Sub Encrypt(ByVal EncString As String, ByVal blnStatus As Boolean)
If blnStatus = True Then

[code]......

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Sep 2, 2011

I'm using this code, in a thread, to get the output from a process being executed (an external compiler in this case):

Private Sub Readoutput()
Dim OutputBuf(4096) As Byte
Dim state As Object = Nothing, result As System.IAsyncResult, l As Integer

[code]....

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How To Change The Encoding Of HttpWebResponse

Jan 6, 2011

I`m working on some XML Https shit things and since i`m getting some Cyrillic characters i need to change the encoding of the HttpWebResponse since i`m only getting "?" i try this:

Dim objResponse As HttpWebResponse = DirectCast(objRequest.GetResponse(), HttpWebResponse)
Try
SR = New StreamReader(objResponse.GetResponseStream())

[code].....

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Possible To Detect UDP Response Encoding?

Jan 16, 2010

I query a Quake3 masterserver via UDP, and get the response as below.As you can see, I had trouble figuring out the encoding of what the server sent...Is there any way to detect or set the receive encoding ?

baBuffer = new byte[1024*100]; // 100 kb should be enough
int recv = sctServerConnection.ReceiveFrom(baBuffer, ref tmpRemote);
Console.WriteLine("Message received from {0}:", tmpRemote.ToString());

[code].....

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Save HTML To MHT With Indicated Encoding?

Mar 8, 2012

I want to save a HTML file to MHT file. Now, it is done with CDO object I googled. But, I want to save the MHT file with indicated encoding by myself. For example, the content in HTML file are Chinese word; if I save as the HTML to MHT in IE, the content in MHT are encoded by GBK (it are hex word instead of Chinese word); if I save as the HTML to MHT with CDO object, the content in MHT are Chinese word.

[Code]...

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VS 2008 Encoding Strings?

Apr 2, 2009

I'm not sure of the name of the function i'm after but im trying to turn:

http://
into
http%3A%2F%2F

for example, is there a function i can use for this at all? i'm not to sure what to search .

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VS 2010 Encoding And Decoding Xml?

Dec 12, 2010

Is there an easy way to encode and decode xml file so that it can only be read with a program that knows how to decrypt it.Basically i want to encode xml file and have a program that reads it.here is the code that is reading it now. thnx to .paul i learned how to read xml the link to that topic is How to read and sort xml

Quote:

vb
Public Class Form1
Dim ds As New DataSet

[code]....

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Prevent Auto Character Encoding In .NET?

Jun 8, 2011

Using VB.NET in Visual Studio 2010, I have two files:

"test2.aspx" and "test2.aspx.vb".

The aspx file is basically as follows:

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="test2.aspx.vb" Inherits="App_test2" %>
<html>
<head>[code].....

Is there something I can do so the source code doesn't escape characters like "&", "'", "<", and ">" ?

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.net - URL Encoding - Illegal Character Replacement?

Dec 24, 2010

I am doing some url redirections in a project that I am currently working on. I am new to web development and was wondering what the best practise was to remove any illegal path characters, such as ' ? etc.I'm hoping I don't have to resort to manually replacing each character with their encoded urls.

I have tried UrlEncode and HTMLEncode, but UrlEncode doesn't cater for the ? and HTMLEncode doesn't cater for '

E.G. If I was to use the following:

Dim name As String = "Dave's gone, why?"
Dim url As String = String.Format("~/books/{0}/{1}/default.aspx", bookID, name)
Response.Redirect(url)

I've tried wrapping url like this:

Dim encodedUrl As String = Server.UrlEncode(url)

And

Dim encodedUrl As String = Server.HTMLEncode(url)

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