Get Information From A String Html?
Jan 29, 2011
How do I get information from a string html?
I am working on a megaupload downloader and I can not take information from a string, that is this: <span class="down_txt2"> UltraMU.rar </ span> It would be the name of the file that I want to download. I tried with this
Private Sub WebBrowser1_DocumentCompleted (ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEv entArgs) Handles WebBrowser1.DocumentCompleted
[Code]...
When I go to try it gives me the error and I can not fix it You could write the code to be able to take the name of the file, in this case "UltraMU.rar?
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Jun 15, 2009
I need to retrieve information from a table in a HTML code.
The page i need to retrieve info from is not mine so i can't change the HTML code to make it solve my problem.[code]...
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Oct 2, 2009
The method I'm currently using to extract html and the parse is via a WebBrowser control.I'm grabbing a collection of tags, sorting through the ones I want, and then pulling the innertext.Doing this on my development machine is kind of slow, but manageable. At max, I can go through 60 different web pages across 3 different sites. It takes about 5 mins on my machine.
However, this app is targeted towards machine that have a quarter of the technology that my computer has. So, it takes anywhere from 10-15 minutes. This is less than ideal.I've bee reading up on the documentation on HTTPWebRequest. However, form what I've seen I can't seem to find a way to grab the HTML and then parse it with a method from HTTPWebRequest.
Due to the way I'll be using it, I won't be able to use RegEx to parse the data and was hoping there was a method within the HTTPWebRequest property to do it.
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Feb 23, 2012
I want to dynamically convert html file or html string to PDF in Windows Forms application.
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Mar 5, 2012
I am making a download manager in VB 2010. I need to be able to pass the download link from an HTML page to the VB Application. This is what i think i need to do in the HTML:
[Code]...
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Oct 2, 2009
The method I'm currently using to extract html and the parse is via a WebBrowser control. I'm grabbing a collection of tags, sorting through the ones I want, and then pulling the innertext.
Doing this on my development machine is kind of slow, but manageable. At max, I can go through 60 different web pages across 3 different sites. It takes about 5 mins on my machine.
However, this app is targeted towards machine that have a quarter of the technology that my computer has. So, it takes anywhere from 10-15 minutes. This is less than ideal.
Does anyone know of any other method that I could do that would take less resources and perform a lot quicker?
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Jan 1, 2010
What i'm trying to do is retrieve 2-3 pieces of information from a parsed html file, then add the data into a listview in the corresponding columns i was initially going to do a function for each piece of information to retrieve but thought maybe i could do it all with 1 function instead.
[Code]...
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May 24, 2009
what i am trying to do is extract information beween two tags in some html from the source of a website. The contents of the text between the two tags will always be different. the code i currently have is;
[Code]...
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Dec 30, 2011
The info i need extracted is formatted:
<TD><A HREF="http://xxxxx.com/xxxxxx/index.html"><IMG SRC="../xxxxx/thumbnails/xxxxx.jpg"> </A></TD>
<TD>=== <B><A HREF="http://xxxxxxxxx.com/xxxxxxxx/index.html">LINE 0</A></B> ===<BR>
<FONT SIZE="2" COLOR="#400080">
[code]....
how do i extract the info between TD=== and /a and Line 1,2, and 3 and store it into a database from a live website?
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Jan 10, 2012
This may sound really stupid but I have to ask cause I'm not finding this answer anywhere.I have an application where the user will need to sign up for a new user account on the website [URL]..However when I am using Firefox's plug-in Firebug to view html I am getting something totally different than when I just right click on the site and view the page source.
What I am trying to do is to get the captcha from the website and display it in a picturebox on the application so the user can view the captcha, solve the captcha and then the app post is back to the service for a response.
Here is the source that I am getting using Firefox's Firebug to inspect the element:
<td>
<input type="hidden" value="Oo3Jo1I8bgzK68agMqo3s79ZZib2OkbK" name="iden">
<img class="capimage" src="/captcha/Oo3Jo1I8bgzK68agMqo3s79ZZib2OkbK.png" alt="i wonder if these things even work">
</td>
[Code]...
Why would the two be showing me two different versions of the HTML?
And how would you be able to grab that source to view in a picturebox using webclient?
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Oct 12, 2009
I think VB has a way of doing this, but for the life of me I can't find it. I want to search through a string for anything contained between two certain characters, e.g between 2 | characters. I'm not sure if I want to split the string at this point, but I only want anything contained between the two | markers. So for example if the string reads |ABC|DEF I only want to retrieve the ABC, but not the DEF as it's not completed yet.
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May 14, 2009
I want to store some string information in my application exe. The information should not be lost in when the application is closed or restarted. It should be like editing a text file in application resources.
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Jun 21, 2010
I was wondering how you can copy information (from a webpage, for example) and store it in a string?Also, how would I take only one word of the string if there are spaces between words and I will always be removing the word with the same location in the string (for example, the last word in string).
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Jun 20, 2009
Usage: Users create pretty HTML news letters in another app. They post the newsletter to the web, but they also want to set the contents of the HTML news letter file as the body of an email and send it using Application In Question. The users understand to use absolute link and image references when sending an E Newsletter. Environment:
AIQ is a VB.Net app deployed via ClickOnce. It is an intranet app; one can be sure MS Office 2003 and the interop 11 dlls are on the target machines.
Restrictions: MAPI is out. It mangles the HTML. Since it is a ClickOnce deployment, we can't register dlls (I think, correct me if I am wrong). Therefore CDO and COM is out (again, I may be wrong.... I would be happy to be proven so).
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Jan 23, 2012
I'll try to explain what i'm doing here, i wan't look through a text file, adding certain lines to an individual array element. So i want to build an array with mcode, mTitle, mCredits, mSemester, moduleStats, currentYear <--- this information as an array element. So here is my attempt at the code,
Dim sr As StreamReader = New StreamReader("datasource.txt")
Dim line = sr.ReadLine() ' get each line and store it
Dim currentYear As Integer
[code].....
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Apr 14, 2011
How do I get the value from a HTML string using VB.NET?
<p style="text-align: center; margin: 0px">
<span style="font-family: tahoma,arial,helvetica,sans-serif; font-size: 12pt; font-weight: bold">
This is the text I want to catch!!!
</span>
</p>
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Nov 17, 2008
I have a class that pulls the ID3 information from an MP3 file. This information is at the very end of the file in plain ASCII. The original author is using FileGet to retrieve just the last 127 characters of each mp3 file. The issue is that this information is put into strings declared like this...
Public strTag As New String(" ", 3)
Public strTitle As New String(" ", 30)
Public strArtist As New String(" ", 30)
[CODE]...
This part all works fine. But I'm trying to code a property that returns a string like this...
return strTitle & " - " & strArtist
But for some odd reason it is being very strict about the length of the returned string. It usually just returns the strTitle, and not the " - " or strArtist, and if I switch the positions, it will just return strArtist. So obviously both Strings have information in them.
I'm an intermediate programmer, but just breaking into VB.NET. I'm not sure what the New String(" ",30) part does, but it is definitely interfering with the string concatenation that I'm trying to return. Anyone ever had a similar issue?
I've tried String.Copy, String.Concat, etc. I've also tried doing ReadtoEnd(), but it takes forever for just 10 mp3 files, so I can't imagine how long it would take with a whole library. The only thing that slightly works is if I do... return strTitle.SubString(0,5) & " - " & strArtist.SubString(0,5)
But like I said, coincidentally it will only return around 30 characters.
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Jul 11, 2010
I'm trying to assign the following HTML as a value to variable type string
'here's the tag
'$("#close").click(function(){$.notifyBar({ html: "Click 'close' to hide notify bar", close: true, delay: 1000000 });});
Dim htmltag = "$("#close").click(function(){$.notifyBar({ html: "Click 'close' to hide notify bar", close: true, delay: 1000000 });});"
I got a lot error message about the quotation in the string.
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Feb 24, 2009
I am using an httpwebrequest to get a website, then i parse the sites html, within the html code i am trying to retireve:[url]...
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Nov 14, 2011
I am able to get ALL id's on the page but I wanted to be able to get this particular string of html
<input autocomplete="off" type="password" tabindex="3" size="25" name="password" id="password" value="" onfocus="_helpOn('help__password')"
Here is my current Regex: id=.*". This get ALL the freaking Id's on the page. I've tried using regexr but it's not giving me any results. How I can get this to only show me:
id="password"
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May 18, 2010
I'm building an application that exports a list of strings to an html file. The strings are stored in an array, and I'm not sure how to get them into the html code. [code]....
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Aug 3, 2009
I need this, so let's say I have this html
</a>
</td>
<td class="alL">21,442</td>
<td class="alL">99</td>
<td class="alL">13,444,999</td>
</tr>
All those numbers always change. But they're in the same line always
Now I wanna get "99" which is at <td class="alL">99</td>
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Feb 5, 2012
I am trying to take a string that I have marked up through vb.net code and cross-check it with the text file it came from originally. This is for proofreading the html output.To do this, I need to parse an HTML snippet that does not come from a URL.The examples of HTMLAgilityPack I have seen get their input from a URL. Is there a way to parse a string of marked-up text that does not include a header or similar parts of a well-formed webpage?
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Nov 7, 2011
How can I prevent an a string variable which contains a few xml tags not to be html encoded in vb.
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Jun 25, 2009
I have a long string of HTML code that contains several quotes around objects in the string. I have a Regex.Replace() function to change the "img src" tag, due to the way its stored in a database.
Here is my string: <p><strong><u><font color="#cc0099">RICH TEXT BOLD UNDERLINE. PICTURE TO APPEAR BELOW</font></u></strong></p><p><strong><u><font color="#cc0099"/></u></strong></p><p><img src="/inlineimages/WorkOrder/6/1245981403232.jpg"/> </p><p /><p>W00T!</p>
[Code].....
Notice how the "<font color=" has single quotes around its value, and "<img src=" has single quotes, with a double quote jammed in between?
Also, is there an automated way to go from my initial string, to the "Dim input As String" I created? I had to manually type that out, editing the quotes just to try and make it work.
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Jan 13, 2010
I am looking for a way to replace keywords within a html string with a variable. At the moment i am using the following example.
returnString = Replace(message, "[CustomerName]", customerName, CompareMethod.Text)
The above will work fine if the html block is spread fully across the keyword.eg.
<b>[CustomerName]</b>
However if the formatting of the keyword is split throughout the word, the string is not found and thus not replaced.e.g.
<b>[Customer</b>Name]
The formatting of the string is out of my control and isn't foolproof. With this in mind what is the best approach to find a keyword within a html string?
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Jun 14, 2010
i am building a web crawler.i need to be able to get emails from some local html files
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Feb 22, 2009
Is there a more efficient way of doing this than adding &""""& for every double quotation mark in the html code when building the string? I need to store the HTML code as a string. I am finding "[tablerow]" within an existing document with StreamReader and want to replace it with my string value (html code) when writing it back using stringwriter.
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May 27, 2010
How to strip html code from a string? I know how to do this in Visual Basic 6 using Regular Expressions 5.5 as a reference, but since I switched to VB.NET 2008 today
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Aug 2, 2011
I am trying to take a string that I have marked up through vb.net code and cross-check it with the text file it came from originally. This is for proofreading the html output.
To do this, I need to parse an HTML snippet that does not come from a URL.
The examples of HTMLAgilityPack I have seen get their input from a URL. Is there a way to parse a string of marked-up text that does not include a header or similar parts of a well-formed webpage?
View 2 Replies
