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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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().
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
View 6 RepliesOut of Memory displaying Thumbnails in Windows 7 64-Bit with 12GB installed
See more: .NET4
'My VB Code:
Private Sub Thumb()
[code]...
What i want is i have a listbox in form a, which display data from database, for example it's displaying student ID.
after user double click on the id, form b will "show" and load that particular informations.so should i do that action in ListBox1_DoubleClick or form b_load?
When i upload my site in aspspider.com then it shows the following message.I use default dataase of asp.net namely ASPNETDB.MDF
Server Error in '/dobriyal' Application.User does not have permission to perform this action.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.Data.SqlClient.SqlException: User does not have permission to perform this action.
Source Error:
Line 7: Dim cmdSelect As New System.Data.SqlClient.SqlCommand("SELECT Password FROM a1_admins WHERE EmployeeId =" & TextBox1.Text & " And Email = '" & TextBox2.Text & "'", SQLData)
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I'm using VS2010, SQL2008 and using asp.net vb - im stuggling with some db related items.I have a couple tables, Project and Projectstatus - looking something like this.project
- ProjectID (autoincrement)
- ProjectName varchar50
- Projectoverview varchar200
Projectstatus
- statusID (autoincrement)
- projectID varchar50
- projectstatus varchar200
What id like to happen is that when i create a new project (into the project table),that a row is created in the projectstatus table, inserting the projectID from the project status for reference.I don't think this can be done from within VS, correct? therefore, do i need to create a SP to perform this action from DB side?
I'm using ASP.NET/VB.NET to create this with SQL 2005. I have a project where I'd like to take a set of records from a table, then send each one through an API, get a result and writeback the result to a table, then move to the next.
Initially, my thought was create a SQLDataSource that grabs all the records, then perform the action on a button to do the action of sending through each record.
Is there a way I can call the recordset from SQLDataSource and perform a loop? I'm thinking something like in Classic ASP/VBScript where you would open a RecordSet, do an action, then Loop until the RS was EoF.
My app pulls news stories from my website and dumps them in a contextmenustrip. If for some reason they can't be gotten, then a refreshbutton appears instead.I'm using this code to perform an action based on the content of a contextmenustrip. But how do 'override' the default to allow for the 'refresh' option? ie - would should I put here -->
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I am currently trying to create a log in form that requires a user to click buttons in a specific sequence (other than the traditional username/login format) in order to open another form. I am new to Visual Basic 2008.
View 3 Repliesis it possible to perform an action when the tab key is pressed in a textbox or the mouse cursor is moved to another box?
View 1 RepliesI have a WinForms DataGridView control on a form. There are two fields in this DataGridControl:
Email Address
Resolved Email Address (calculated based on the input in Email Address)
After the user inputs or changes a value in Email Address, I want the value in Resolved Email Address to update based on a separate method. What event should I tie in to so that that the Resolved Email Address cell is updated after the Email Address cell is updated?I'm not sure where to put the event because the user could do a number of things after adding/changing a value: tab to the next cell, click cancel on the form, click ok on the form, etc.
can i detect if a text box is showing 15 and descending and then perform an action?
View 5 RepliesBasically, It is a program that allows you to automatically click things.
Here is the
Public Class Form1
Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vkey As Long) As Integer
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What I wanted to do was make an option to have variations in tick time. I want to put in a check box, and if it is checked then there will be 10 "variations" in click time, ranging from 1 second too soon, to 1 second late.
I'm new to VB and Windows programming but I do have a fair amount of experience programming at the command line level. A friend is having problems with his laptop. He does a lot of speaking engagements with Powerpoint. His laptop uses the F7 key to toggle the output to his external monitor port to the video projector. The F7 key has stopped doing this. Is there a way to create a Windows program that will do this without using a DOS window? He is not familiar with command line processing and needs something that he can double-click.
View 2 RepliesSay you wanted to set a status message
' Set status
ssMainMessages.Text = msgValidating
Then perform an action that requires a http request that takes around 5 seconds then you want to display the result of that
' Set status
ssMainMessages.Text = msgValidated
It will only always display the second message? Its like it jumps the first part of the code and goes straight to httprequest.even if you put the update,system,threading.thread.sleep ....
i have a button and if a specific option is set (via a checkbox) then once every 5 times the button is clicked an extra event happens.I thought a counter/Integer would be the way to do it but i cant seem to get it quite right, heres my code i have in the buttonclick event:
[Code]...
When you need to do random access to the lines of a text file, the regular solution is to put those lines in a list and access them in that list.But doing this if the text file is large creates a large memory overhead and may cause some memory stress on the application.This class maps the file and provide the ability to read any particular line in the file at a random position, without the need to read or put in memory any other line but the desired line. The only memory overhead involve is the 1024 bytes buffer of the base stream.Even if the file mapping can be a process that consume a noticable amount of time if the file is very large ( ~ 5 seconds for each 100,000,000 caracteres) , once the mapping is done the access to a particular line becomes instantaneous regardless of the size of the file. (The file mapping can always be done at a convenient time (ex when the process load) and can be done on a worker thread The class is base on a StreamReader to support the differents Text Encodings Example uf usage ( As I say, if the file is very large, dont do it like that, but declare the class at a convenient time)
Imports Reader = System.IO.MyStreams
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
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I have a VB.net application that gets data off our server with ODBC and populates and saves a Word Document. When I try to deploy it to another computer it will get the data just fine and populate the first document, but it will crash before saving it. I've installed the .net framework 4.0, Microsoft Data Access Components, and the Microsoft ODBC .net data Provider. The error code is 0xC0000005, which is from what I can see is called an "Access Violation Exception." It works fine on my computer.
View 3 RepliesI'm trying to figure out some Excel automation. I have a form set up so the user can click on a label to open an Excel file (as a background process I guess) so the file isn't actually visible. Once they click on the "Convert to Count" button it will multiply all the values in Column B by 1,250 and put the output in Column C. Once it has finished this action, it makes the file visible so the user can choose to save it or not. Also, some users have Excel 2003 and some have 2007. Would it be possible to be able to load both xls and xlsx?[URL]..I must say I am very new with .NET and have a little bit of knowledge with VB6. I'm not sure where to even begin. I've looked up some ways to load an excel file but couldn't get it to work the way I need it to. Most of the ways I found were loading the file into a DataGridView. I don't want to use a DataGridView if I don't have to. Some of the files the users might be loading could have 10,000+ rows and that would take too long I think.
View 3 RepliesWhat is a code that I can use for my program to do something when the user types a certain word into a rich text box?
View 11 RepliesActually I want add some folders and files to MSI. Through custom action i want to copy that added folders and files to some destination/target folder.
View 1 RepliesI was wondering what the fastest way is to check for divisibility in VB.NET.I tried the following two functions, but I feel as if there are more efficient techniques.Function isDivisible(x As Integer, d As Integer) As Boolean Return Math.floor(x / d) = x / d End Function
Another one I came up with:
[code]...
Is this a more practical way?
All i want to do is write some text into word... some of the text is normal text the other is bold... how do I achieve this?The samples I have seen, they either do normal text or bold.. but in different lines utilising InsertParagraphAfter()I need to have both in the one lineie how do i do the following line? using vb.net and word automation (word 2010)
View 2 RepliesAny simple/easy (emphasis on easy, I am a major beginner) to read through text files quickly, search for strings and pull information. I am currently using the 'StreamReader' function and 'InStr' command, but the files I am working with are gigantic and this is taking from 1/2 an hour to a few hours to work its way through.
Here is a sample of the code I am currently using - poke fun at will, I am a major newbie.
strContentsTime1_jntfor=0
Do Until strContentsTime1_jntfor Is Nothing
strContentsTime1_jntfor = objFile1.ReadLine()
'look for string 'time'
strFindStringTime_jntfor = "time"
[Code] .....
Any fast way to read/search very large text files. I found this post for VB6, but I don't have the slightest clue what any of it means. [URL]. How to read/search huge files (up to a few GB and 20+million lines).
View 3 Repliesi need to display the size of a folder but if i sum file.lengh by file.lefth it takes to long,is there a fast way to see how much space a folder uses?
View 10 RepliesI am trying figure out something new, I can add a schema to a word 2007 doc and place the elements at diff locations. In my VB project with automation can I fill the elements. I can fill fields/content controls/story ranges just fine, but how does XML fit it to this? Or have I got it all mixed up??? Not asking for code just yet, just seeing if this is a correct approach.
View 3 RepliesI am creating an Excel Add-In using Visual Studio 2010. My intention was to add a context menu to a cell and perform some action on the selected cell or cells. Here is the code I have got as of now
[Code]...
I wrote a program to download and play AVI files the files are large in size and long time wise. I have the files playing as they are being downloaded but i can't see how long the file is or seek reliably. i was reading that the AVI headers are in the last 512kb of the AVI file *why would't they put it at the start* lol so my question is is there a way to download the last 512Kb of the file i'm downloading. i have the Bytes Read and Length of the file while its downlaoding i'm just not sure where to go from there, or how to do it atleast. If i had the length in time of the Avi file i could set the trackbar to be able to seek properly. or if someone has an idea how i could get the time of the video by using fps and some math i could prob do it that way too but idk how i would tell how i can find how many kb are in the fps i'm sure it changes so think that way is't going to be reliable. how to get the last 512kb would be the best option not sure if it can be done even.
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