Implement A Non-cached File Copy Using 2005?
May 7, 2009
I have a program I wrote that copies select files from one remote computer to another.
The set up I for testing is, one computer(a) at home running the program connected to my work's network via VPN and two computers(b,c) at work side by side on the same network. I am trying to copy the files on computer b to computer c, while the program is running on computer a.
The only thing wrong with this is, the files seem to be caching to a temp folder on computer a then going to computer c. When it should be going straight from computer b to computer c. Is there a way to keep the files from trying to cache on the computer running the app?
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Dec 28, 2010
I'm having trouble with copying file with permission. In my program, my objective is just to copy a file to another directory, however I'm having some permission problems with "Access to path denied" error appearing when I run the program. I'm logged on in the computer with an Administrator account, and I kept having that error. I can manually copy the file, with UAC dialog box popping up. (I'm using Server 2008, I don't want changing UAC settings/permissions in the computer)
how can I copy a file to another directory, with an administrator permission? Is this possible? Can you give me a sample code.
Here is the code I used for copying the file.
Dim sourcefile As String = "C:Sample Path Location" & "thefile.exe"
Dim destinationfile As String = "D:Sample Path Location" & "thefile.exe"
System.IO.File.Copy(sourcefile, destinationfile)
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Jan 8, 2010
I found this program and am amazed: [url] The promises is simple: copy larges file, to multiple removable drives in one go (instead of creating one separate process per copy), in order to make the copy FAST.
Publisher comments: "Rapid Copy is capable of copying data to the several destinations in one time. Lightning fast, Rapidcopy make backups and copies to up to 8 drives simultaneously." This was made using DotNet, since the framework is a prerequisite. Big Question: Is this REALLY possible? Does anyone here have an ideia on how this can be accomplished using VB.NET?
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Feb 28, 2009
I want to implement copy, cut and paste in my drawing program (copy part of an image that is selected)I don't know how to start?
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Aug 27, 2011
I am trying to create an application, which in first phase will read the content of an XML file, count the products, and copy the content of the XML to a sql server database TEMP table, which i have already created. I have already created the code to read the content of the XML file and view it in a datagrid view. But i dont know how i should copy the content to the database i have created....
The code i wrote till now:
Imports System
Imports System.Xml
Public Class FrmXMLRead
[code]....
I need to copy each product (code, category, subcategory, part_no, titlos, timi, availability, anakykl, lianiki) to the TEMP table of ABC databaseHow should i proceed to copy the data to a database ABC and table TEMP?
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May 5, 2009
I'm trying to implement cut, copy and paste functionality in my application. My menu is on the main form of my MDI application and I would like to cut copy or paste from any textbox from any mdichild.
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May 27, 2009
I want to know how to connect to a remote system having some shared folder.(ex, \myservermysharedfolder).Actually, I was supposed to copy a particular file which is available in a shared location of a system. To copy that file, first i need to connect to that system with an user id and password.I know copying of file (), But not getting clear idea on how to connect to the shared folder. I have tried with System.Management class, but no use..
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Dec 28, 2009
I got a problem...after load crystal report viewer, I am unable to right click->Copy or ctrl+c and copy any text. I am using vb.net 2005, crystal Report 11...I am showing the report content on the Report Viewer..
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Jun 12, 2011
I am attempting to create a rudimentary text editor with buttons that can implement the Cut, Copy and Paste commands. I was able to use buttons on a toolbar and menu to implement the Cut, Copy and Paste commands using the "Command="Cut"" command in the XAML of the buttons on the toolbar and menu but have been unsuccessful in using regular buttons to implement the commands. When I attempted to use the "Command="Cut"" command for regular buttons the buttons appear disabled when debugging the application. Does anyone know if the Cut, Copy and Paste commands are disabled for regular buttons?
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Sep 21, 2007
When I load my solution and compile it after first starting the IDE, everything works as expected. After changing source and recompiling, I get the following compile error:
Error 11 Unable to copy file "objDebugCAMDRS.Library.dll" to "binCAMDRS.Library.dll". The process cannot access the file 'binCAMDRS.Library.dll' because it is being used by another process. CAMDRS.Library.
After closing Visual Studio 2005 and reopening the solution I can compile again successfully. This is an old solution that has been fine for a long time. I just recently changed computers and reinstalled everything.I am running win XP Pro sp2, Visual Studio 2005 sp1.
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Mar 17, 2009
I'm sure this should be easy but I'm having trouble getting my head around it. I shall try to explain what I need as best I can.I have a string called SoftwareGroupName. If that string is empty, I need to run some code that logs a call in our Helpdesk. So far, so simple.I then check two other variables, AuthorityLevel and InstallType. If the AuthorityLevel is anything other than "OnRequest" then a call is logged in the Helpdesk System. Again, so far, so simple.
The problem occurs when the AuthorityLevel is "OnRequest". At this point, the application should again log a call in the Helpdesk Call with a status of "Resolved" as well as add the user to the relevant group in Active Directory.What I need to be able to do is, effectively, say "If the AuthorityLevel is OnRequest and SoftwareGroupName is not empty then go ahead and create the call and update the group. However, if softwaregroupname is empty then DON'T even try and update the group and create a call with a different status (e.g. Assigned).Here's what I'm doing so far. But it seems wrong to have to check that SoftwareGroupName is empty twice.
[Code]...
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Mar 9, 2009
I followed the link [URL] And I want to put code
IF EXIST $(TargetPath).LOCKED (del $(TargetPath).LOCKED) ELSE (IF EXIST $(TargetPath) (move $(TargetPath) $(TargetPath).LOCKED))
For the case
Unable to copy file "objDebugxyz.dll" to "binDebugxyz.dll".How to write it correctly?
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Aug 5, 2010
I have a program that uses IO.File.Copy to copy files from point a to point b. Its slow, which is fine because there rather large files. I was wondering if there is way to get an estimate time to copy a particular file(s).
Example: File a will take 1 hour to copy, File B will take 30 minutes to copy. Estimate Total Time: 1 hour 30 minutes.
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Dec 31, 2010
I am trying to implement the following code to validate several textboxes The problem i cant figure out is once i get in an offending textbox and input the data i cant get out of it? I know i am probaly missing something simple but I can't seem to find it
HTML
Private Sub tb_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles subj_ba_txt.Validating, subj_bed_txt.Validating, subj_dom_txt.Validating, subj_gla_txt.Validating
Dim errorMsg As String = "Missing Data"
[code]....
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Nov 30, 2009
I'm a newbie in visual basic. We have a project in our school in implementing queue using circular array.
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May 24, 2012
I am trying to figure out a way to implement password protection on documents that a program I am working on creates. They should remain with the document regardless of where it is copied to or sent.Here is a rough sequence of events:
1. Application Opens (no document loaded).
2. User opens document with extension registered to application.(could also be # 1 if they clicked on the document directly)
3. Application Security checks document for security and prompts if necessary.
4. If prompted, user enters password.
5. Application checks password.
6. If passed, document opens, otherwise user is notified of failure.
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Oct 12, 2009
I'm attempting to copy a rather complex form from one part of my project and use it (modified) within another part (ie, depending on whether it's maintenance or an outage, you'll get a slightly different email screen).
My first attempt failed miserably, as I had simply right-clicked and pasted the form within the project, assuming renaming the controls would work. nope, I didn't realise that there was stuff in the original form that was renamed as well, and that created a monstrous pile of errors.My second through fourth attempts also failed, generating errors in forms that (I thought) weren't related or connected. Once I deleted the copied form, all was fine.
So, short of trying to rebuild the form from scratch (using a different naming convention for my controls etc.), is there a simple way of doing this? This seems to be such a simple task, but alas I was wrong....(or, at least it's not easy with the information I have right now.
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May 27, 2011
I have a weird behavior when trying to copy a file with System.IO.File.Copy. The file never gets copied. More than that, the call doesn't generate an exeption!
I am using VB.NET, Framework 3.5. I'm trying to copy in C:Temp and I do have the privileges. Or at least I used to...
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Mar 21, 2010
I need to implement a routine to read a plain text file, BUT that file has a predefined format.The file format is as follows:
Quote:
<FILE_PROPERTIES> 'The "< >" also appears
Propertie1="String" 'It's possible to have spaces after or before the "="
Propertie2="String"
Propertie3="String"
PropertieN="String"
[code]....
Is there any Windows API Routine to read something like that?Or could you point me an URL where something is implemented?I don't want a procedure to read the file line by line and comparing them with Line Input because blank spaces, empty lines and comments starting with " // " may appear too, and I don't want to take them into account, but also I need to save changes to the file, but only to the modified section, without having to read the whole file, and re-write it completely.
Binary access can't work, because I don't know what's the size of each "section", since the number of elements into it can change.
I need something like the "ReadINI" Windows API Procedure, but allowing me to read the "[XXX]" sections headers, and also the "<XXX>" file title header.
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Jul 26, 2011
I know that the .Contains method on a hashset is fast. My question is what is the best method for getting the hashset data before repetitively using the .Contains method?
I can think of 2 options. Both of these examples would be called in a loop of undetermined length.
1) Call the method that returns the cached hashset directly and use the .Contains method.
IF (GetHashSetMethod.Contains("TESTVALUE") THEN BLAH, BLAH, BLAH...
2) Create a new hashset outside of the loop and load the cached hashset data into it so the method that returns the hashset is only called once, then use the .Contains method.
DIM HashTest AS HASHSET(OF String) = GetHashSetMethod
Then in loop:
if (HashTest.Contains("TESTVALUE") THEN BLAH, BLAH, BLAH...
I have been using method 1. Should I even think about switching to method 2? Is there a 3rd option I haven't even thought of? Does it even matter because the data is cached to begin with?
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Jun 10, 2010
I have a rather large project that several developers access via MS SourceSafe. The issue at hand is the ToolBox lists many, thirty plus, items that start Cached.(the name that follows Cached is the name of a class or Cyrstal Report in the project. There are also many items listed, they have the same "gear" icon, without the word Cached prefix on the class name.
My question is, how can I get these items out of the ToolBox so they never come back?
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Jan 17, 2010
Is the size of Lists cached in some way (calculated the first time you call it, and then retained untill some change is made to it), or does it get calculated every time you call the Count property? Same question for arrays.
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Sep 23, 2009
I've got a very simple data structure. I'm using SQLExpress with Linq2SQL and vb.net
**ParentClass**
parentId
name
[code].....
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Jan 31, 2012
I've been working on my own web browser for a few years now using the webbrowser control in VB.Net.The following routine allows me to pull images on a web page that are stored in the cache:
Private Function GetCachedURLPath(ByVal lpszUrl
As String)
As Boolean
[code]....
This routine has worked well for me, but there are some pages where it is unable to pull the image from the cache. What discovered is that when a web page host images on a different server than the page hosting server, the images get stored in the cache with the address from the image server instead of the src address listed in the IMG tag. Given that I am using the URL from the src in the IMG tag, the routine fails to provide a return path.In most instances reloading the page puts the image into the cache with the same address as the scr record. It was fairly easy to write a routine that automatically reloaded the page when I could not find the image in cache, but one of the things I want to address in my latest revision is this issue.
I have a routine that allows me to run through all of the URL's for the files stored in the internet cache and using that I can figure out the correct URL for a picture, but this seems to me to be about as cumbersome as reloading the page and can be time consuming if the page has a lot of images.I can cut down on the time if I modify the routine to only run through the list on exceptions, but this just seems inefficient to me, especially since I have to make an assumption about what part of the image URL's are the same. What I'd like to do is to track the sources of the images as the web page is being drawn so that I have a listing of all the real source URL's for the images instead of having to rely on what is referenced in the src attribute.
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Sep 20, 2011
I have a DropDownList in MVC which grabs a SelectList initialized and populated by a controller. The goal of the specific page that said list resides on is to reply "You have selected option X" immediately to the user without refreshing (using Ajax).The problem I'm running into is that for some odd reason, while the dropdown renders properly and even posts back correctly, any attempts to add new options or modify previous response messages are in vain.
My View:
<script type="text/javascript" src="../../Scripts/MicrosoftAjax.js"></script>
<script type="text/javascript" src="../../Scripts/MicrosoftMvcAjax.js"></script>
[code].....
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Mar 24, 2010
I have a asp.net web forms app that uses System.Web.Caching.Cache to cache xml data from a number of web services for 2 hours.
webCacheObj.Remove(dataCacheKey)
webCacheObj.Insert(dataCacheKey, dataToCache, Nothing, DateTime.Now.AddHours(2), Nothing)
Every 90 minutes a Microsoft Search Server hits a particular (spider) page which calls the code to put the objects into the cache.The issue i have is that over a period of time, the memory usage of the application grows exponentially. Lets say that in a week, the memory usage of the application pool grows to over 1gb
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Jan 13, 2012
I have a relatively simple piece of code as follows:
Dim oShow As DataSet = Nothing
Dim cacheKey As String = String.Format("AsyncCacheFor_agenda_{0}", ShowID)
If Not IsNothing(Cache(cacheKey)) Then
[code].....
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Mar 7, 2010
I have an ASP.NET project which is a front-end to a database. In addition to the large tables, the DB contains a few small tables to help normalize the larger tables with common values. I have a VB.NET project which loads the smaller tables into memory, using "Shared" (i.e., "static" in C#) member variables, and uses them. I have a call to load the tables in Global.asax - Application_Start. This works for a while. That is, Application_Start runs when I first run my project, loads the cached values, and will correctly keep them in memory for a while.
What I'm seeing (when running my project via Visual Studio 2008 Debugger, hosted locally) is:
A) The Application_Start code will run more than once. Not in a row, but after the user has navigated to some other pages, I'll see (my breakpoint in) another call to initialize the cache, coming form Application_Start. Is it expected?
B) The "Shared" variable that was set to True when the cache was initialized is now False again (which should only happen when the class is first loaded). Similarly, all the data that was chached is no longer present. That is, it looks like VB is unloading all the Shared members. Is this expected?
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Jun 6, 2010
In an ASP.NET 3.5 VB web app, I successfully manage to cache an object containing several personal details such as name, address, etc. One of the items is CreditNum which I'd like to change in the cache on the fly. Is there a way to access this directly in the cache or do I have to destroy and rebuild the whole object just to change the value of objMemberDetails.CreditNum?The cache is set using:
Public Shared Sub CacheSet(ByVal key As String, ByVal value As Object)
Dim userID As String = HttpContext.Current.User.Identity.Name
HttpContext.Current.Cache(key & "_" & userID) = value
End Sub
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Jan 9, 2012
i am caching objects, if i make linq queries on cached entities then... will theses queries make database round trip due to lazy loading in Entity framework?
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