Encountered WebException When Printing A Large Number Of Batch Jobs

Mar 22, 2010

We have a customer, who prints a large number of a batch job to a reporting service. When printing large batches of jobs, occasionally he would get a WebException from reporting services saying "The underlying connection was closed".What is the work around for this? Somebody added this portion in the code [code]It doesn't seem to fix the issue though. The customer still notices the Web Exception when she prints a large job to reporting service.

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Counting The Number Of Times A Character Is Encountered In A String?

Feb 18, 2012

I am trying to count the number of times a specific character is in a string. The problem is when I run the program the letter doesn't advance from "d" in the string "debugging" and doesn't display the number of time the character "g" is found.

Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
Dim letterCount As Integer

[code].....

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Batch Printing Of Files?

Oct 17, 2011

I have been asked to develop a solution which send to the default printer a list of files stored in a directory in file name sequence. These files maybe of any type - such as pdf or Office documents.

I have seen suggestions to using a process class (such as [URL]..However, the process would run largely unmonitored so I have concerns with regards to being able to control the submission of the numerous jobs to the printer and, for example, stopping the print should there be a failureerror in the print queue.

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VS 2005 Batch Printing Part 2

Apr 2, 2009

I have the code below, that is throwing errors when I try to print [code]Can anybody see what could be wrong with my code? if I were to take out the loop i.e. printing more than one file it prints fine????

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Batch Printing PDF Files From DOS / Windows SubDirectory?

Sep 30, 2011

Any VB example of batch printing pdf files from a dos/windows subdirectory (with only Acrobat Reader installed)? I've got a folder full of pdf's (30 or 40) and I need to fire them off to the networked Laserjet. Also, is there a way in VB, to set the "full duplex" (double-sided) printing option for an HP Laserjet (PCL6)?

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Jan 25, 2012

Is there a VB equivalent to PHP's print_r available? I have a very large and complex hashtable that I would like printed out.

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Interface And Graphics :: Printing ALL Content In Large PictureBox Which Has Scrollbars?

Feb 5, 2009

My project needs to print a large PictureBox which during runtime only part of it is shown (as it's too large, width=4000 pixels and height= 2000 pixels) and to see the rest of the picturebox, user needs to scroll through the vertical and horizontal bars. On top of the picturebox, there are many controls which are loaded and positioned by user on run-time. Those include lines, labels, another picturebox
with image and user-defined controls. Now, i need to write a print function which will print that picturebox to not too many pages in A4 size or A3 size. Not too many means less than 5 for both paper size.

1) How can i print the whole picturebox with all its contents and go to next printing page until the whole PictureBox is printed? I tried using the following code but

(i)The image of picturebox inside that picture box and user-defined control are not printed whereas others are printed. Why is that so? How can i print the picturebox including both the "un-printed"?

(ii) Even i can print out the picturebox, only the part where the picturebox is shown is printed. How can i print the whole picturebox including those parts which needs scrolling to reach?

Private Sub CmdPrint_Click()
Dim rv As Long
'Picture1 is the picturebox to be printed.

[code]....

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VB - Form With Fairly Large Number Of Controls - After Curtain Number Of Buttons - Stops Responding To More Radio Buttons

Jan 17, 2011

My VB application is behaving strangley. I have form with fairly large number of controls. I am using case against radio buttons. after curtain number of buttons, it stops responding to more radio buttons.

Then I tried to split controls in to 2 form but now my form.showdialog() too now working properly. It takes new from names but show the old form when running.

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Dec 13, 2011

I am working on a project in which admin wants to send updates of website via email to all registered users on web site.How to do this.?

[Code]...

This is the backend code i am using for sending 1 email.How can i use this to send emails in bulk?

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WM_GETTEXTLENGTH Returns (too) Large Number?

Aug 26, 2010

I am using VB Express 2008 and want to return the titlebar text of a window This is what I have:

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As String) As Long
Private Const WM_GETTEXT = &HD
Private Const WM_GETTEXTLENGTH = &HE

[code]....

This should simply return the window name I.e. "Calculator"But debugging it i get an "OverflowException" on:

strtmp = Space(length - 1)

If I look in the length variable it has "8975925931411505153" in it Why is it so big, and why is it not just "10" for the number of characters in calculator?

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Extract A Large Number Of URLs From A Site?

Dec 18, 2010

I've a situation where I am trying to extract a large number of URLs from a site, but the site which provides the URLs has an obstacle. Rather than the link directly to the site, they provide a link to an internal page, which automatically redirects me to the URL I need.

i.e.
<a href="www.StartingSite.com/outgoing/1234" ...> Example.com</a>

which passes me to an internal page, then automatically routes me to Example.com

I've suspected if I can do this, it would be through cookies.

Perhaps a little more work, I could create a page which calls each page, then I could acquire the URLs from my history, but my browser would crash for the # of URLs I'm extracting.

any means I could gather the end URL of this link?

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File I/O And Registry :: Zip Large Number Of Files?

Aug 28, 2009

I am using zipforge.net to archive files in a small backup program I am creating. Everything works fine however if I try to archive a large number of files the process of zipping them gets slower the further along in the job it gets.

Example: I have a directory that contains a little over 100,000 files in it. Each file is only about 200k of text. When I use the zipforge zip class it starts zip'ing very quickly but as it gets about 40% of the way through the directory it starts to slow down... at about 60% its working at a snails pace.

Memory usage for my solution also goes up proportionate to the archive file size as it grows. Currently it takes around 26hours to backup this directory which only contains 4 gigs worth of information.

If I use a program like winzip I can zip the folder in less than an hour. I am thinking there has to be a way to write to the end of the zip file without having to open it every time or without keeping it open. My backup software scans the specified folder and writes each file path and name into a text file. Then it reads the text file line by line and passes the path + file info to the zipforge addfile().

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Large Of A Number Can Convert.toint64 Handle?

Jun 21, 2010

I know this is probably a stupid question. I am converting a huge string to a integer, it is not working.....saying the number is too large to handle. It is only a 10k character string.I figured this would be fine because 2^16 power is 18446744073709551616.

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Oct 12, 2011

I'm working on a project that involves localizing a large number of Windows Forms. We're dealing with layout using the TableLayoutPanel control, which works nicely. One area we're striking problems with is when we set the Form.Localizable property to True, we then end up having to manage one .resx file per form per language.

That would be fine if the .resx files only contained the Localized text, but it also contains a vast amount of layout data for the form. Is there a way to separate the localizable text elements from the control layout information, that continues to work in the visual studio IDE? I've noticed that I can modify my the form's designer file to look at another resource file, but when I use the form designer, these changes are deleted:

'Label1
Me.Label1.AutoSize = True
Me.Label1.Dock = System.Windows.Forms.DockStyle.Top
Me.Label1.Location = New System.Drawing.Point(3, 0)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(61, 13)
Me.Label1.TabIndex = 1
Me.Label1.Text = My.Resources.ResourceManager.GetString("Form1_Label1_Text")

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Sep 22, 2011

I have to export the data from the database to .txt file, I have the code below that does export it to .txt file but I'm having problems with this code because the data that I'm exporting is about 5 000000 records, it is quite slow and sometimes the pc can't handle it and stops the exporting.

Dim saveFile As New SaveFileDialog
If saveFile.ShowDialog = Windows.Forms.DialogResult.OK Then
command = New SqlCommand

[Code]....

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Jun 29, 2011

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May 26, 2010

If you are working on a large record in database. How you manage to use the INSERT,,UPDATE? I mean when selecting a record base on two tables or more and those tables consist of 20 columns it hazard to put all those columns in one query.

[code]...

How to lessen the code without typing all those queries over and over again ?

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Sep 5, 2011

I want to load 2 crore records in a treeview control with parent child Hierarchy order

for example

- Groupa
- a1
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[Code[....

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Setting Large Number Of PictureBoxes To Visible - False

Mar 7, 2010

Dim lv As Integer
For lv = 1 To 33
picPileCard(lv.ToString).visible = False
Next
That's the code but its saying the name hasn't been declared.

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Nov 9, 2010

I wrote last week about a problem with an MDI program that had a large number of forms (each with a large number of controls on it) that was "sluggish" in loading and in switching between the child forms.I've attached an example program in VS2008 (though the actual app is VB2010)Rather than show the hardware control application with all of the text fields, and picture boxes acting as indicators, I made a simple program to show the point. This is exaggerated as this just loads 2000 or so text boxes on a form. In the real app I have ~ 200 assorted controls per form of picture boxes, scroll bars, text boxes, labels etc. Also, there is a large full screen .jpeg as the back ground of each form. All are generated at run time and are placed on the form in the New call of each form. (as in the sample attached)main issue seems to be the methodology I use to switch between child forms. I make the current form .visible = false, and the next.visible = true. I have used this as it "keeps the place" on each page if the user has scrolled or is looking at one section of the form. When the next form .visible = true happens I see the controls added in a "machine gun" fashion instead of all at once.

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Printing And Number Of Copies?

May 3, 2012

I have what I think is impossible to achieve. I am printing labels to a zebra printer. Each label is to be attached to an individual item in a batch. The client wants a separate serial number on each label.

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Jul 13, 2011

i have this program which records the every printing made on a local computer.I am to record the number of pages of the document to be printed and the number of printed pages. i have this code but i don't know the number of pages and number printed pages always return 0 [Code].

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Large Number Of Record - Error: Operation Has Been Canceled By The User

Apr 22, 2012

When large number of records in Database, it throws error "Operation has been canceled by the user" in vb.net. I want to retrieve records from DB2 and display the records in DataGridView in VB.net. If number of records is less it works fine. But if the database tabe has large number of records it throws error "Operation has been canceled by the user". [code]

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Visual Studio & Compile Performance For Large Number Of Files?

Jun 19, 2009

Our current solutions/projects have several classes combined into one file, I'm told this was done due to the slow compile times in VS

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VS 2010 : PDF Printing - Getting Number Of Pages?

Feb 21, 2011

I am working on a printing kiosk and it should handle PDF.When printing PDF I need to get the number of pages the PDF has, so that I can charge the user accordingly.The kiosk will support Word*, PowerPoint*, and Excel* (2010) and I print these files to PDF by Microsoft.Office.Iterop.* namespace.And then print the resulting PDF file to a physical printer. If the file is already a PDF then just print. What would be the best way to get the number of pages the PDF has. Also Printing via code and setting parameters such as paper_size.

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OOM Crash Selecting, Converting And Displaying A Large Number Of .jpg Files To Thumbnails?

Oct 27, 2011

Out of Memory displaying Thumbnails in Windows 7 64-Bit with 12GB installed

See more: .NET4
'My VB Code:
Private Sub Thumb()

[code]...

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Word Automation Using VB - Fast Way To Perform Action On Large Number Of Files

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I had tested this code: [URL] It works, but a Word application is opened and each new paragraph added using VB code is seen one by one(with a small delay). If I want to open and write something using VB, what is the fastest way ? I do not want to view the changes made on word document live. I want to save the document. So will oWord.Visible = False makes it fast?

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System.Printing (Number Of Pages Of Document)

Jul 16, 2011

I have this particular problem with this Property found in System.Printing namespace. I am trying to get the number of pages of a document but it always returns 0. I have posted this problem here some some days back back it seems there is no answer for this problem but rather people direct me to use PrintQueueWatch which is an open source namespace to monitor print document.

Try
'This side always records the print command transactions
defaultPrintQueue2 = LocalPrintServer.GetDefaultPrintQueue
Dim jobs As PrintJobInfoCollection = defaultPrintQueue2.GetPrintJobInfoCollection
For Each job As PrintSystemJobInfo In jobs
[Code] .....

At the moment I get the JobName, the submitter, the printername but this particular one
number of pages returns 0 why?

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Jul 19, 2009

Here is a code to print a dataview grid:

Imports System.Data
Imports System.Data.OleDb
Imports Excel = Microsoft.Office.Interop.Excel

[Code]....

How to increase the number of cells dynamically according to the need?

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Disable/Change Visibility Of Large Number Of Text Boxes Quickly And Efficiently On Form

Aug 6, 2009

I have a form which contains a large number of textboxes covering numerous panels/tab controls and I would like to have the user only have one text box visible at a given time and when the user clicks on the screen to another label with a corresponding text box I would like that to appear and the other currently open to disappear. Currently I have the following loop that goes through and changes the visibility of the appropriate controls unless it is the name of the control I am looking for:

'This is used to iterate through all the controls in the form and ensure the visibility of all other controls
' than the active control is set to false.

[Code].....

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