I am making a CSV/TXT file splitter. Upon selecting the file in openfile dialog, I have a function to count the number of lines in the file. I would LOVE to have a progress bar alongside it. Problem is, the maximum value (i.e number of lines in text file) will obviously be varied in different files. Anyway, I could I a progress bar for such a task?
View 4 Replieshow to get the maximum value record on my dataset. I found this code (maximumRecord = myDataset.compute("Max(columnName)", "")) on google but this is not working with a dataset, it is suppose to work on a table, but I need to get the maximum value of a specific data that I put into a dataset.
View 4 RepliesSqlServer Table1 has data as follows
Sno-------date
1------01/01/2010
8------01/01/2010
1------02/01/2010
5------02/01/2010
2------18/01/2010
9------18/01/2010
3------18/01/2010
1------03/01/2010
6------03/01/2010
My questions are:
1) I want to display the SMALLEST Date into textbox1 which is 01/01/2010
2) I want to display the BIGGEST Date into textbox2 which is 18/01/2010
3) I want to display the BIGGEST SNO against date 18/01/2010 into textbox3 which is 9
4) I want to display total records against date 18/01/2010 into textbox4 which is 3
What is the maximum amount of characters that can be put into a textbox in vb.net 2008?
View 2 RepliesI created a script for caching some images my program needs, so they aren't downloaded from the web everytime. But the cache folder is getting big, and it's getting big fast. It's not really the plan to have a cache of 1Gb or something like that, so I would like to create something like this to set the maximum size:
But I don't really know were to start. Sure I can create some check, and if the maximum is exceeded, remove the whole map, or the oldest files. But maybe the oldest files are the one's used the most.
I have this app to copy files with a progressbar... What I'm trying to do is to set the progressbar1.maximum to the number of files in the folder. But I'm getting a cross-thread error. This is the error I'm getting: Cross-thread operation not valid: Control 'ProgressBar1' accessed from another thread than the thread it was created on. This is where I'm trying to set the ProgressBar1.Maximum: [code]
View 5 Repliesin vb 2008 or higher :how do i make the progressbar look like the progressbar in xp when i use win7?
View 3 RepliesI'm doing a job in background (another thread) and do not know its progress, so I can't put values in progress bar. I'm looking for a progressbar that is just 'walking' from left to right and vice versa, until the job is finished (Microsoft uses it sometimes). Where can I find that progress bar?
View 2 RepliesIs it possible to add a progressbar to a splash screen, that automatically updates until the application is loaded?
View 9 RepliesI have a form with an Adobe PDF reader control.I point to a specific PDF I want to load when a button is clicked. The PDF is 28 Megs big and takes some time to load into the reader.I would like a progress bar to to show (like a showdialog kind of thing) so the user does not click all over the place and thinks the app is static.I have searched and read all about the progressbar and there are many articles dealing with downloading and moving files around but nothing in terms of file loading and how to get a progressbar to reflect the status of the file being loaded.[code]
How would I update the progressbar1 control to reflect the time it takes to load? I checked the AxAcroPDFLib Namespace and found no "progresschange" type of functions or events.Can some one please help a new guy out? I am fairly new to vb.net so please be as specific as possible.
I have to write a program that retrieve record from database, but everytime the screen will look like getting hang when getting large row record.I using the backgroundworker to prevent screen hang when retrieving record from database but why my progress not working when in progress? It only will show when the transaction done..
[Code]...
[code] How come the ProgressBar's value stays the same?
View 1 RepliesI have a listbox in what I receive computer names from network, and I want to have a progress bar thet loads until the last computer is in the list. How do i do that
PS: i don't know how many computers are...some times there are 100 some times there are 150, and sometimes there are 48.
I was wander if anyone can help me with this one:
Dim p As New Process
p.StartInfo.FileName = ("getmac")
p.StartInfo.Arguments = " /S " & TextBox1.Text & " /U domainadministrator /P password"
p.StartInfo.WindowStyle = ProcessWindowStyle.Hidden
p.StartInfo.UseShellExecute = False
[Code]...
Need to show an user a progressbar about the progress. Problem is i dont know where to start.
I got a progressbar in my game (Hpbar) and a lots of time the value go under the Minimum Value and it crash... Any way to make it go back to minimum value 0
View 6 RepliesI made a game and i made a hp bar.So i made a Heal button but when the value is more then the Maximum value it crash.Any way to fix that? Like something to bypass that go go back to the Maximum Value?
View 7 RepliesPerhaps this is nothing weird, but it is in my eyes. After loading the webpage I want to hide the progressbar on my ParentPage, but it keeps coming back. Here's an example of my
[Code]...
How to do this = =?
View 9 RepliesI made timer to check this code below each second.
If ProgressBar1.Value = ProgressBar1.Maximum = True Then
BackgroundWorker1.RunWorkerAsync()
ProgressBar1.Value = 0
[code]....
But it freezes whole program.
i have me a database (.sdf) which loads its records into a listview. One of the database, due its size, takes some time before everything is loaded. I'm using cursor.wait atm, but it I guess there's a more professional approach.
How do I show a progressbar while loading the data?
Here's a small piece of the code I use to load the data:
[Code]...
I am trying to use the background worker to keep my application responsive during the calculations it does. All I need is one to calculate and the other to count time which I use a timer for. But when I try to use a progress bar as well as I want to see the progress it gives me an InvalidOperationException: Cross-thread operation not valid: Control 'ProgressBar1' accessed from a thread other than the thread it was created on. I need this to work, how could I use a component from outside the background worker? This is the background worker bit:
[Code]....
I want a progressbar to tell me when my application is done loading, so I have tons of lines of code and the program is complete and it runs threw WMI, etc., etc., how do I get the progressbar to equal the value of completion my whole programs process has done?
View 2 RepliesI am using VBNET2008 to develop a Application using FORM and the Logic using FOR LOOP. Within FOR LOOP logic to fill the Form TextBox from DataSet and also to Fill ProgressBar Progress. Apparently Within the FOR LOOP the FORM TextBox and ProgressBar1 is not filled.
Here are the overall Coding
Private Sub FCountTotalOrderID()
'--- retrieve OrderID Row count from Table ---
Dim strsql As String
[Code].....
I'm trying to add a progressBar to my form but it always shows full or empty, it never shows anything in between like 20%, 30% etc. Here is my
ProgressBar1.Minimum = 0
ProgressBar1.Maximum = 2
ProgressBar1.Step = 1
[code].....
I was able to make my progress bar transparent, and I have a textbox, I want to see what's in the textbox behind the progress bar, but the progress bar it's not not showing it.
ProgressBar1.BackColor = Me.BackColor
me.backcolor = transparent
I'm writing a program that retrieves certain lines from a textfile. This textfile is rather large, so is it possible to have a progressbar that shows the progress when it retrieves?
View 6 RepliesThe color of my progressbar is not using the color i set in the forecolor property.
I am using windows 7 and I'm pretty sure this is the problem.
Is there something wrong with the progressbar control? I can�t seem to change some simple properties, like the background color. It still looks like it always did. White with gradient "squares". I would like to change the background color.
View 8 RepliesWell i am coding a Application and it is almost done i just need to finish the Download part. Listing Files and so on is all done but now i need to Download the File which i know how to do but i dont know how i can read the Bytes got and how much is left. It is Downloading from a FTP.
[Code]...
I'm working on a project with FTPwebrequest methods, the problem is that every time the program executes a FTP command such as download/upload/connect, It completely freezes the form. However I need a progressbar to keep the user updated of the download status. The only way I can see this working is applying the progressbar to a notifyicon(taskbar).
View 2 Replies