Parsing XML Fragment And Extracting Element As String?
Nov 23, 2009
I am using an API (WSUS) that will give me an XML fragment that I need to work with. Essentially, I need to go through the fragment element by element, identify what type of element it is, and then put that element into the datagridview. The goal is to have a column with a human readable interpretation of the element, plus that actual element itself in a hidden column for further processing. So, using the below XML, I want the DGV to have column that says "Begin Or Group" and a hidden column with "<lar:Or>".
I can get an xmltextreader to loop through the elements just fine, but I can't figure out a way to return just the current element in XML. I've tried ReadString, Value, ToString, and a bunch of other stuff but just cannot seem to figure it out.
Here's an example fragment:
<lar:And>
<lar:Or>
<bar:WindowsVersion Comparison="EqualTo" MajorVersion="5" MinorVersion="0" ServicePackMajor="4" ServicePackMinor="0" />
[code]....
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Nov 7, 2009
I was just wondering how to extract or parse any particual tags (whichever I specify) from webpages. I know how to extract text and links from webpages, but I tried to use the same method from the following code for div tags, title tags etcetera and it doesn't seem to work:
[Code]...
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Jun 1, 2011
[code]The two parts I've coloured red change, I need to grab the first part which is the link but I'm not sure how to do this. I've used regex before and it doesn't look possible to use it on this on this, there's about 25 of these in the source.
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Apr 7, 2009
I am using NiceEdit to format text in text areas, it displays a toolbar over the specified text area, I created a test page, its working, I Response.Write the content of the text area after being formatted, and its okay, I created a break point to see whats being read, it was all fine.Now I moved to the real page where I should implement this text formatting, it simply did not do anything, the toolbar is shown and its working, but when I submit, nothing is being stored, i created a break point and the content of that text area was nothing, empty "".I went further and put Response.Write(textArea.text) then Response.End() and I got the error:XML Parsing Error: no element foundJust in case, the script I am using for the formatting NiceEdit toolbar, and this is the same script i used in my test page and worked just fine, the script is:
<script src="../nicEdit/nicEdit.js" type="text/javascript"></script>
<script type="text/javascript">
bkLib.onDomLoaded(function() {
[code]....
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Mar 5, 2009
I would like to be able to parse vb.net code files, so I can examine the collection of Subs, Functions (and their contents, including comments), private variables, etc. I can be open the actual source code files. So for example, if I have:
[Code]....
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Dec 25, 2010
I'm using HtmlAgilityPack to parse HTML. I want to check if an element has a specific attribute. I want to check whether an <a> tag has the href attribute.
Dim doc As HtmlDocument = New HtmlDocument()
doc.Load(New StringReader(content))
Dim root As HtmlNode = doc.DocumentNode
Dim anchorTags As New List(Of String)
For Each link As HtmlNode In root.SelectNodes("//a")
If link.HasAttributes("href") Then doSomething() 'this doesn't work because hasAttributes only checks whether an element has attributes or not
Next
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Mar 16, 2011
I'm creating a vb.net winforms application that will take in user given strings, parse them, and print out labels with variable information. The given string will be used in all the labels, but the variable part of the string will change with each label.
My question is: is it better to parse the strings one time, then store those values in arrays, or to parse the string each time a label is printed? Which will perform better? Which is better practice? What is the proper way to test something like this?
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Mar 23, 2008
unordered text file of 3 columns to assign into 2 arrays. I've been given a graphing component which expects a two dimensional array for a scatter graph for the set of values in the last column.
How would I parse through the list given an indexed array of 215 possible 'zone alarm locations' and if an alarm log list item, of which there can more than one for any given zone location, compare in the two dimensional array any previous value and replace it with the higher valued one? The following are my declarations for the 2 arrays. It isn't clear to me why the array for the scatter data was defined as (999,1) knowing there are only 215 possible x values (alarm zone locations)
[Code]...
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Nov 8, 2009
I'm trying to analyze web pages for seo. I'm trying to create my own personal tool to extract all the keywords and tags from web pages (a little clearer).I already know how to extract or parse links and text from web pages. The issue is that I tried to implement title tags, body tags or keyword tags in general via using the following code:
Dim theElementCollection As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("a")
For Each curElement As HtmlElement In theElementCollection
If curElement.GetAttribute("href").Contains("http://twitter.com/") Then
[code]....
Try to extract all the keywords from the title, body etc. for this page:[URL] and send it to separate textboxes (title keywords in textbox1, meta tags in textbox2 etc.).
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Nov 8, 2009
I'm trying to analyze web pages for seo. I'm trying to create my own personal tool to extract all the keywords and tags from web pages (a little clearer).I already know how to extract or parse links and text from web pages. The issue is that I tried to implement title tags, body tags or keyword tags in general via using the following code:[code]
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Jun 7, 2010
Does anyone know of a way that you can get the string that is held at this reference point (its the contents of a registry value that corresponds to a string - see this thread for more info [URL]
@%Systemroot%system32wbemwmisvc.dll,-204
I think I've seen C# (or maybe C++) code use lines like this but I cant find any way of getting the value from the DLL in VB.NET
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Jan 3, 2012
My program uses the serial port to receive characters as a string, then it should extract the integers from this string. This seems fairly simple, but so far has been a very tedious job.
My string is called txt. The problem is that there's no telling how many characters / integers txt will hold at any given moment. For instance, it may equal "4" or "4 5 6 7" or "P 0 1 2 3 4 5 6...255" - with spaces included. I need to reference every number within this string to use as data. I've tried the following:
dim c as new char
dim n as new integer
dim i = 1
[Code].....
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May 9, 2009
This is my second post on this topic. I included all the code this time. In calculate click event the value is zero and I don't understand where I went wrong. My work is due tomorrow, if anyone can tell me why I can not extract the price from the string. What this program is doing is taking items from the stockListBox and adding them to the shoppingList Box then extracting the price from the shoppingListBox and adding the prices together.t a note- in public class I changed the string and seperated the price from the item, not sure if I was suppose to do that.lso, everything works except the calculate event.
0
Public Class SupplyCalculator
Dim lists As String = "staple" & "stapler" & "folder" & "notebook" & "pencil" & "eraser" &
[code].....
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Sep 28, 2009
Many types of credit cards have the same format. This format is XXXX-XXXX-XXXX-XXXX, where X is a digit.The dashes are embedded into the string containing the card number.Create a console application to * Declare String variables Partl, Part2, Part3, Part4, and InputString. * Read a credit number consisting of 16 digits only, no hyphens, into InputString.* Write the statement(s) to extract each four-digit segment into Partl, Part2, Part3, and Part4* Display the four parts.This is what I have, and I cannot figure out what I'm doing wrong because there is an error when it runs.
Sub Main()
Dim inputString As String = "1234567891234567"
Dim part1, part2, part3, part4 As String
[code]....
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Mar 5, 2012
I m trying to write a program that is mostly dynamic. This program enables the user to read in several inputs (temperature, pressure .) and perform calculations on those inputs. After that the program sends an integer to an analogue output port. The program automatically determines the number and type of the inputs. It also creates something called a variable handle for each input.This is then saved to an array input_handler(0,x). That array is sized this way input_handler(0 to 1 , 0 to 9)
0= handle (integer)
1= value (integer)
The program dynamically creates a button for every input. There also is a button for every mathematical operator. This way the user can create a function by pressing buttons.This function will be saved to a string. That string will look something like this input_handler(1,0)+ input_handler(1,4)/ input_handler(1,3)Well now Im stuck with a string and VB will obviously just print out that string instead of calculating anything. Is there any conversion I can perform so that string becomes the actual array values?
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May 12, 2011
what is the command line to single out certain parts of text from a string only..for example string = "Hellodullardtomboy".what is the command to capture only the word "DULL" between "hello" and "ardtomboy" only.
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Feb 1, 2009
I am trying to extract numbers from string text. e.g. 1 day (8 hours)' I need the one and the eight integers pulled out I would like to extract then store each number separately for use later. I am aware of techniques to count string text, but not pulling certain information from it.
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Jun 5, 2009
I just want to know how to get year value and month value from extracting a string in VBA of Access.
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Jul 25, 2010
I have a string in this format :
[Code]...
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Feb 18, 2012
lets say webpage has 2 strings named sampleObj="sample1" and sampleObj="sample2" Even though sampleObj remains the same the text inside, however, changes.How would you loop inside page and get sampleObj text each time? I tried Regular Expressions and GetElementsByTagName but no luck.
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Aug 30, 2011
I have the follow row of sample data:
Quote:
RickiKitt10|NzMyMQOTkQ|173.234.120.242:62063:accessworld:bYRLngChRYc||RickiKi1037||
How can I extract the IP address? 173.234.120.242
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Mar 14, 2009
basically i have heap loads of text in a sting.I want to be able to extract text between two point in my string.So say for example want to be able to extract the text between the two brackets.
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Sep 11, 2009
I have been trying to implement a user account system and storing name, email and score gained from completing a lottery game that i have created, is there a way to create a note pad within the program folder when button1 is clicked and the same data
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Oct 11, 2011
However a coworker and I are wanting to build a separate program instead of just running simple scripts.I'm running into the following problem:I am not sure how to program visual studio 2010 to the extent that when we paste in predictable text structures that it will take only certain items out of the text, assign them to variables that we can call later.Example:We log into a lot of UBRs for testing and the structure is basically thus:
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Apr 30, 2009
What is the simplest way to return the second part of an email address? eg: yx = somefunction(y); how do I get x to retur
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Jun 6, 2012
Basically this is my problem, showing the results of a string. I am making a program for a customer and he wants to be able to extract a string or set of emails from a large group of text. In this case he wants to be able to copy a webpage and extract all the emails out of the webpage. The problem i am having is showing the results of the List(of string) Function. So far, I can copy the page, paste the content to a textbox and then i have a function that is supposed to filter out the emails and paste or Show them in a list box.
I dont know why but no matter what I do I always get this error:
Error1Value of type 'System.Collections.Generic.List(Of String)' cannot be converted to 'String'.
This happens when I try to output the return results to a textbox or list box.
Here is the code for the whole program:
Entire Program Code:
Imports System.Text.RegularExpressions
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code] .....
I have tried almost everything I could do, I am relatively new to string functions so that is my main problem.
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Feb 23, 2012
I have a text file I'm trying to pull specific data from to make a report in excel and am wanting to know if my code can be improved or if I have something wrong. If it's apparent to anyone that I should be doing something elThis code does work but, very slow. These reports take up to 20 minutes for about 100 files so I am wanting to decrease the time somehow. I have attached the whole sub in a text file, it's about 900 lines long so don't think I should post all of it. This is one part that seems to take the longest:Partial code that reads the text into a string, then each line is read to find whether it holds the data or not. Inside this while loop, I am checking numerous lines to see what they hold and extract specific items. First I verify it's a interface by checking for "line protocol".
Dim str As StreamReader = File.OpenText(filefound)
While (str.Peek <> -1)
If txtLine.Contains("line protocol") = True Then 'Found an interface,
[code].....
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Jan 13, 2009
Have been struggling with parsing XML as there seems so many options. My XML string is formatted as follows
<mysite>
<request>
<type>login</apiType
[code]......
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Jun 28, 2010
im doing a simple calculatro and was happy with the way i done things .. a ew member variables and a properties:
Private MVAR_Number1 As Decimal
Private MVAR_Number2 As Decimal
Private MVAR_Operator As Char[code].....
he want to add this:
Dim Operators() As Char = ("+", "-", "*", "/")
Dim OpPos as Decimal
OpPos = Expr.IndexOfAny(Operators)[code].....
Just drives me mad how complex this is all getting for something so simple, fell like giving it all up .
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Jul 13, 2010
I have a very long string. I need to parse this string so I can get information out of it. I know what each segment starts with and ends with. The length of the information will vary. I don't know what the easiest way of parsing this string.
Example data will be
ST*997*232898~AK1*HC*8888*~NM1*2*TESTING........
So i will want to get everything from ST to AK1then AK1 to NM1 and so on and so on.
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