VS 2010 Taking Out Every Similar Occurrence In A String
May 7, 2012
I have my program set up to download a web page with a webclient. Normally, I could just use .Substring, but there are about 25 things I need to pluck out of this page, and .Substring, or at least the way I have it set up, takes the first occurrence. The good news is, they are all URLs; they are all similar too.
Each URL is as follows: [URL]
Now, of course, this URL is just made up, but each URL starts with [URL] and ends with 'video'.
How can I hook this up so that it scans the entire page (contained in a string, read from a StreamReader connected to a WebClient), finds each URL, and then adds it to a listview?
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Oct 18, 2011
How to extract date & time for the string: "28 Oct 2011 7:00 pm ".
I used instrRev find first space, but how to find the next occurence blank space.
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Apr 17, 2012
This should be fairly simple but i'm having one of those days, can any1 advise me as to how to replace the first and third occurance of a character within a string, i have looked at replace but that cannot work as the string could be of different lengths, all i want to do is replace the first and third occurance?
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Aug 30, 2011
Im working on a program for my work and it is starting to get pretty in depth. Is there any way to replace just one occurence of a string. I tried this:
fileChanged = fileChanged.Remove(indexOfFeed, FeedLineBreak).Insert(indexOfFeed, NewFeed)
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Jan 16, 2010
How i can find multiple occurence in given string in vb.net For e.g my string is two times : 1234567
1234567,Desction,1.32
1234555,Desction,2.30
1234556,Desction,2.30
1234557,Desction,2.30
1234567,Desction,1.32
I want to put this two rows into a Dropdown Menu which is on my Form?
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May 31, 2009
I wan't a method with which to find a string within another string. It should return the position of the first occurrence of the substring. (In VB 2008 !)
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Aug 5, 2011
Is there a function which would search for the last occurrence of a certain substring and return the index of it?
For example, if I want to search for the last occurrence of the char '' in a file path 'C:Program FilesMicrosoft'.
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Jul 19, 2011
A little background... I'm trying to build a spell checking form. I have this lovely library: [URL] and it seems to be working flawlessly.
The problem I have is trying to replace an entire word and only the first occurence of the word.
Example: Replace the first instance of "foo" with "bar" in the following string
"foo foo foobar" and get this "bar foo foobar"
I've been trying regular expressions with no luck. Here are the patterns I've tried compiling(these are obviously tied to variables in my program):
"(?<!foo)foo"
"(foo){1}"
I also tried the built in string.replace method with a count parameter, but I have no idea how I would make that match the entire word.
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Dec 6, 2009
I have a long string that I need to take apart two values, and add them into another string.
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Feb 15, 2011
I want to split a string that taking both string and integer values like (Cmp_12).
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Dec 15, 2010
Alright so I changed the column that the As of Sales column gets its data from, however they are both the exact same type and look the exact same, but I still get this error.
Both are Decimal(38,6)
Input string was not in a correct format.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.FormatException: Input string was not in a correct format.
Source Error:
Line 60: <asp:TemplateField HeaderText="As Of Sales">
Line 61: <ItemTemplate>
Line 62: <%#Getsales(Decimal.Parse(Eval("AsOFSales").ToString())).ToString("C0")%>
Line 63: </ItemTemplate>
[Code] .....
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Aug 21, 2010
i found some code to take screenshot from screen it works perfectly - changes and my vb.net - skill is pretty low ode is here:
Imports System.Runtime.InteropServices
Module Module1
<DllImport("user32.dll")> _
[code]....
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Nov 10, 2009
My program creates a array of numbers as entered by a user and then finally adds them up. The form should be able to display the numbers typed in by the user. I know how to put one of these numbers into separate labels and could display each number that way but I wanted to know if there is a simple way to display the string that is created as a list in perhaps a read only text box or similar?
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Apr 18, 2012
I made a program that take screenshots but it doesn't take screenshot from 3d games what is the code :( and here is my code
[Code]...
my program is bigger than this too much :D but these are the important codes :D
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May 5, 2012
I need to navigate to a webpage and copy a string of information from it within the shortest possible timeframe. The site has the following written on it:This is the string that you need to apply to your algorithm.
Generated String: 61*76*83*47*69*88*
I want to copy the string from the webbrowser control and place it into a string called "GenString"
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Feb 5, 2011
I'm creating an application software. It has many features, which is in the base version of the software. And people could buy my software (which will be enough for most of them since it had all the common features needed) and use it. But some of them might need additional features to this version.So, I can add new features to the base version of my product and provide them a custom or extended version.
But my question is, how can I effectively manage these versions of the software while updating (or upgrading with new features which are common to all of them)
[Code]...
In the above example F1, F2, F3, F4 & F5 are the features available common for all editions of my software.Whereas, A1, A2, A3 & A4 are the additional features added based on customer's request.
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Nov 14, 2009
1. How similar is the .NET to JVM in executing a program ?
2. How different is it ?
3. Is the .NET Framework available for Linux ?
4. Can I run a VB.NET application written for XP on a Linux machine ?
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Dec 18, 2011
I have created a simple application where I fetch questions from an Access database and store the answers to another Access database. I am not sure how many questions client would like to ask, so I can't hardcode that number.
So, column names for answers table (besides user information like first, last name and so on) will be a1, a2, a3 ... aN.
And finally the problem!
For testing purposes I have hardcoded saving first 3 answers like this:
newEntry.a1 = answers(0)
newEntry.a2 = answers(1)
newEntry.a3 = answers(2)
Now I would like to iterate through all properties based on count of "a-type" properties:
'aCount is number of "a-type" properties
For i = 0 To aCount - 1
Dim property As String
property = "a" & (i + 1)
newEntry.property = answers(i)
Next
Of course, above code does not work, it is just a pseudo-code idea that "should" to the same as my hardcoded example.
Is it possible to iterate through predefined properties of newEntry object in that manner?
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May 20, 2010
I know how to check whether an item exists in a list using (MyList.Contains), But I do not know how to check the whole list. For example (use one button and one richtextbox):
[Code]...
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Oct 16, 2009
i have a string "David John Roplay" i need to replace first occourance of the space " " into double space " "i have used String.Replace() but it is relplacing all the spaces.
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Apr 17, 2010
I have a an application that opens a SQL connection and over the course of a few hours creates and disposes of tens of thousands of DataReader objects. You could look at it as just one big loop. As the time goes by, the memory usage steadily climbs until the application/system runs out of memory and crashes.
Psuedo code would look something like
SQLConnection.Connect
Do Until x =1000000
Create New DataReader
Use DataReader
Close DataReader
[Code] .....
Even though I dispose of the DataReader object when I am done with it, the memory usage keeps climbing. I found that every time I am finished with the DataReader I have to close the SQLConnection and dispose of it. When I do that it keeps the memory usage very low and the processor usage is barely noticeable. I would think I could just open the SQL connection once and close it when I am done.
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Mar 13, 2012
Dose anybody know how I can tally instances of a particular text occurrence within a txt file using VB.net. Better explanation if I use a textbox and type in a text how I can use VB.net to search a txt file for that piece of text and return the amount counted in another textbox or label.
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Apr 27, 2009
this is what I've got so far:
Dim find As String
Dim search
find = InputBox("Enter Search Text")
search = MyRichTextBoxEx1.Find(find)
[code].....
But how can i search for the next occurrence of the search?
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Nov 16, 2009
Dim t As String = source
For Each m As System.Text.RegularExpressions.Match In System.Text.RegularExpressions.Regex.Matches(t, ">.*?<")
search = m.Value.Substring(1).Remove(m.Value.Length - 2)
If search = "" Or haku = " " And counter < 337 Then
[code]....
What you see here, is a code that picks everything written in between > and < markers from a source code on a website. What it returns is always a time stamp in between 00:00 and 23:59 and a string. Or almost always. There is a few instances where there are two times in a row and not every other, effectively breaking the system.Also, when this happens, the first time of the two has a "-" after it, i.e 18:00- What I've been trying to do, is making the program recognize when there is an extra character (the -), delete the extra character, and then jump over the next result in the search (the following time). This would completely resolve the problem.
The thing is, no matter how much I go through it in my head, I can't seem to think of a way to affect the NEXT result without screwing up the current result or all the following results. As you can see, my code is faulty. What it does now is an emergency method (as my teacher review of the code is coming up real soon) it jumps over the time with the extra character, and lists the following time. This however is not ultimately wanted, because in the bigger scheme of things, it displays the incorrect time for the incorrect string.
Search variable holds all the results of the regex search, for easier handling, and is used for checking for the extra character.Length6 variable is boolean for determining if the result had the "-" or not. The column ariable is to list the time and the string on the same line in the textbox.Jump is the variable that makes the code skip the conditioned result from the search.The counter variable, that might seem extra, is just for extra conditioning, its use is to prevent the first 337 instances of the search.
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May 8, 2012
I have three sub tables that I want to process. For each I want to combine the rows, as they are only different by contents in the second column(I want to do the same to the fourth column, later):
'Sub table 1
xx|C201 |02300877 |Samsung |....
xx|C201 |02300877 |Toshiba |....
xx|C213 |02300877 |Samsung
[code]....
p.s. For the fourth column, Manufacturer information , I want to do the same and I'd probably get something like this for the final table:
xx| C201,C213,C606,C619 |02300877 | Samsung
xx| C201,C213,C606,C619 |02300877 | Toshiba
xx| C303, C305,C712 |02301163
xx| C207, C209, C708 |02301165
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Nov 15, 2011
I need to find the first occurrence of a certain word's position in a textbox, on how to do this? Once I find out how I can get the position of the word i am searching for I can then pull the data I need from the textbox. I am using visual studio 2010 / visual basic.Since I have no clue where to start on this code, I will post what code i will be using to get rid of the data i don't need from the textbox.
Dim s As String = TextBox1.Text TextBox1.Text = (TextBox1.Text.Remove(450))i figure I can do this in a few steps to bring the searched info out of the textbox. I am open to other ideas on how to gather my data from the file or textbox. Here is what I have to do: Pull all of the players names from a replay file and put them in separate text boxes or even a listbox.
[Code]...
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Aug 14, 2011
i tried to get the string from binary file by using this code..
[Code]...
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Sep 15, 2011
have a list of 84000 words , and have some articles in these articles i want to replace first occurrence of each word i have in listbox e.g [code]but it used to replace the whole mytext i want to replace words in mytext and also it hang the system and very very slow and replace all occurrences.
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Jul 11, 2011
My app is a Reader for personal use. I have it setup By Books of the Bible and by Chapters and verses.
What I would like to be able to do, is to search for Pharaoh (any word) in a textbox, click the Search Button, and every occurrence of Pharaoh (not just the word, but the entire Verse: EX: Gen Ch7:14 Blah Blah Blah Pharaoh Blah Blah. Gen Ch9 :3 Blah Pharaoh Blah); to display inside a RTF or TextBox.
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Dec 1, 2011
I need to count the number of:
[Code]...
Can Regular Expression be used of this purpose? It's okay if they're in separate function, but I need to somehow get the counts of each of the above.
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