Trimming A String At Both Ends?
Jun 12, 2011
I'm reading in an xml file, which is working fine with no problems, but I want to re-format one of the elements data attributes slightly.
The XML attribute output is currently Wind: NW at 6 mph
What I want to do is extract just the number from the string, I figured an easy way would be to simply play with the length of the string and assign it to another variable.
However, I've ran into a little problem.
I can use windRtrim = wind.Substring(0, wind.Length - 4) (Where windRtrim is the amended string variable and wind is the string from above)
This returns Wind: NW at 6
Which is great, but the problem now is trimming the correct number of characters from the beginning of the string as it'll be different if the number were to go over 9 (ie. 10 and above)
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May 9, 2009
I have a string:*Local Disk*:Users*UserName*DirectoryTestFile.txtand im trying to get rid of everything behind the "Test" so it would show everything after.so the string would look like:TestFile.txtno matter how many directories and/or files come after the Test. I just want to get rid of everything behind it.
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Jun 2, 2011
I have an array filled with values from Excel cells. Each of the values is a concatenation of two things separated by a pipe, like "Machines|MachinesCode"
I need to, as I fill this array, strip out the pipe and everything in front of it so that the array being filled is only filled with the "MachinesCode" part of the cell value, but I haven't had much luck finding how I should do this. Each cell is dynamically filled and will never have a set length, so I can't set a trip by a particular number value of characters in the strings.
This subroutine is what I'm using. I am filling array FieldArray with another array (ExcelArray) currently holding the concatenated values.
Public Shared Sub PopulateFieldArray(ByRef FieldArray() As String, ByVal iFieldCount As Integer, ByVal ExcelArray(,) As Object)
Dim iIndex As Integer
For iIndex = 1 To iFieldCount
FieldArray(iIndex) = CStr(ExcelArray(2, iIndex))
Next
End Sub
But I don't know what to wrap around the CStr Excel array to cut off the pipe and all values before it while I fill FieldArray.
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Mar 25, 2011
I'm writing on a texthandler-project for Vista.(Compiler : Visual Studio 2010-vb)My code must write a string back to file after trimming. I've decided to run the application as a full trust app. The code obtains the permission via fileiopermission,but still the result is:Acces is denied/Unauthorizedaccessexception (It's not Readonly).
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Sep 12, 2010
Going from VB6 to VB10 I find VB10 has much easier ways of doing things, like getting command line arguments, getting all subfolders, etc, the hardest part is knowing what commands to use. Is there a better way to detect if a string ends with certain text? I'm doing it like this....
[Code]...
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Jul 9, 2009
Deleting a line from a text file. This is for an ASP.net Webpage. I will have a file called Sources.txt. Example data of this file looks like this[cde]...
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Jun 12, 2011
ine from a text file. This is for an ASP.net Webpage. I will have a file called ources.txt. Example data of this file looks like this:
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May 25, 2010
I'm slowly learning about loops. I have a couple of questions
1) When a condition is being tested.. what does that mean? I don't understand the "condition" word.
2) What is the difference between a loop that never ends and a loop that ends?
I have the code for the loop that ends and the loop that never ends. I can see the difference in the code, but I don't understand what is making it different. Here is the code below.
[code]...
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Aug 12, 2010
How to get following result in ASP.NET: INPUT string: "Duck, Donald" Required String: "Donald Duck" P.S: The input string is dynamic.
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Sep 14, 2009
I've made a little map-maker for my tile game, which just stores a single digit for each tile. The problem I've noticed, is that when I save a digit, it tags a space on the end of it, so that when I read the file I have to read every 2nd character.... plus ofc it makes the file twice as large. Is there a way to trim the space from my digit when I save it to a text file?
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Mar 16, 2011
splitting and trimming text file
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Apr 1, 2009
I have a form which has a tabgroup with three tabs. One of the tabs has a bunch of utilities a domain admin would use. Is there any way to create a login form that grabs info from active directory, and based on the group you're in, the correct tabs will appear on the form. For example if you are in the domain admins group, that tab will appear, if you are in the helpdesk group it won't show.
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Oct 24, 2010
I've got an unusual request. I have an image that will always have bounds that are of Base 2 (2, 4, 8, 16, 32, 64,...) in both dimensions. I need to know if there's a way that I can get a small 16 x 16 square (or smaller, still of base 2) portion of the image. I'm planning on overlaying a grid on this image that way the user can select a portion of it and then the program creates a dynamic image from the selected grid square to use. Is this possible to do? I did a quick search on the Image class and didn't see anything that stood out. Note: This is for framework 2.0, but not picky about jumping to 4.0 if necessary.
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Nov 24, 2009
I have a byte array with contents from a file in it, but I want to trim / remove the first element from it [byte(0)]. I've searched for days and experimented with a hundred different methods but they don't work.
[Code]...
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Apr 15, 2009
I have a large tab delimited text file to process each day (usually around 25 mb) consisting of usually well over 100,000 lines. The file is actually made up of about 9 or 10 reports separated by "END OF REPORT". I'm wanting to write each individual report to it's own text file. Some values may have trailing spaces or even contain nothing but spaces, so I am wanting to trim those to only the data, or be left with null. Ultimately each report will be imported into sql server tables. The code I have below runs successfully to completionwithout error although each text file is empty. The script is also extremely slow and seems to use quite a bit of memory. The arguments are ad
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Apr 19, 2011
When I draw a line on a VB form the ends are squared off. Is there an easy way to make the ends rounded?
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Mar 7, 2012
I created a slideshow application for 4 monitors, with diferent folder for each screen images source.It has several transition effects and time schedule. It works superb when I am in VB Studio, developing, testing, etc.When I Build it, and play it work fine. But If I try the EXE file out VB environment, it work aprox 10 secs and "disaapears" from the screen, as if somebody press "QUIT"..I can't get any error or message from windows or VB.Again if I open the solution in VB it runs perfect.
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Mar 26, 2009
When I run a certain project from within the IDE and an error would come up (just any error, like dividing by 0), it won't jump into the IDE showing me the line where the error occured, but the program is simply ended and I am back in the IDE!.With any other project that is not the case. I cannot work further on this project with this problem. Of course I did a PC restart, but that didn't solve it.
I got Visual Studio Professional 2008 with SP1.
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May 13, 2011
I need some help importing data from Excel 2003 into VB10. My goal is to import the data and save it to a 2D array for later use within the application. The data is on sheet 1 of the workbook and goes from A1 to D1072 with a header row. I have done a lot of research on line to find a solution but have been unsuccessful. From what I have found I have put the following code together. When I complile and run the program I get the following errors.
1) I think while compiling it gives me this error: The source file is different from when the module was built.
2) While running the program it stops on the connect.Open() and has this error OleDbException not handled. Could not find installable ISAM.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
' Import float volume data from Excel
[code]....
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Mar 11, 2010
Due to my FTP server not liking to upload .exe files in order to get my auto updater to work i have to rename the folder .file before i upload
after this is downloaded i need it to check the application folder for any files ending with ".file" and if it finds any to remove the ".file" so that it is just .exe[code]...
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Sep 9, 2011
I have the most puzzling problem with VS2008 in regards to debugging my programs. Until recently I have been coding in VS2010 but due to some other system requirements with my work issued PC I have moved back to VS2008.All apps I developed in VS2010 always have and continue to debug as expected. However, any app I write in VS 2008 and try to debug, the application immediately ends before the first form is loaded. Again, if I run the same code in VS2010 I have no problems. I did notice the other day that if I debug without being connected to my corporate network, I can debug in VS2008 just fine.
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Jul 12, 2009
I'm trying to fill some textboxes programmatically after clicking the bindingnavigator add button but the textboxes wont fill..Using the listchanged event of the bindingsource doesnt work neither..[code]
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Jun 12, 2010
I am dealing with a situation which I do not understand why the loop never ends. I have attached this example. I do not know what I am doing wrong.I have 8 x 8 array of integers (TheConnectionsValue (7,7))
0
0
1
0
0[code]....
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Jun 23, 2009
I wrote a program using VB 2008 Express Edition and noticed that when I close the program (by clicking the "X" top right corner), sometimes the program is still showing in processes within Task Manager.What do I need to include in my programming to make sure this does not occur - i.e. make sure the process ends when I exit the program?
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Apr 21, 2010
I have a text file which is about 700MB it is very difficult to open this file but there are 5800 Chapters in the file every chapter is starting from "$$NEW$$" For example [code]I want to split the text file after every chapter ends any idea ?
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Apr 17, 2009
I need to be able to detect when an external program closes so that I can start another event within VB 2005. I have tried to do this by monitoring the processes on my computer. The problem is that this programs comes up as some weird sub-process. It has an Image Name, which is indented from the other Image Names, and it shows that the User Name is the Administrator. This is the only information you can get from the Processes tab. There is a Task Name under the Applications tab, however. I was wondering if there was some code to monitor the Applications tab instead of the Processes or if there is yet another way to do this.
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May 16, 2012
Look at this code:
CODE:
My question: When the sub ends the reference to the newReadWorker goes away since it is local to the routine but the worker still runs until it is done. Is the worker disposed of properly when it is done or should I handle the worker better. I am not getting any errors from this design. I just don't want to waste memory.
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Jan 20, 2012
System.Text.RegularExpressions.Regex("#*#") is this correct..!? my text can be like #abc1234+as00# etc. ie, anything between #..#
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Oct 8, 2010
I am trying to create a tool which executes some oracle procedures and telnet commands. Besides this Job my tool also needs to update a counter in some table in oracle db at regular intervals(10 secs as per current settings). So I used backgroundworker class in VB.NET to implement this back ground job of updating the counter. My problem is I have put logs at every possible exit of the backgroundworker_dowork functions but still this logic stops working after some time --7-8 hours. I am not able to understand when/where/why/how is it stopping? I am saying logic has stopped because it stops incrementing the counter. And am saying it is exiting abruptly because in _RunWorkerCompleted, I have written a log and closed the application but nothing comes in the log and application is not exiting.
Private Sub backlogicthread_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles backlogicthread.DoWork
WriteLog("Background worker", "entered")
dbbackcontrol = New OracleConnection(odbcBill)
Dim dr As OracleDataReader
[Code] .....
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Jun 10, 2011
this is my code
[code]...
The problem is that, when it checks that the AbsoluteUri ends with profile it should skip the other 3 commands and make another command (To enable the timer2 at the same time) Is this possible to make this? if yes how?
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