Forms :: Progress Bar And Load Dataset?
Dec 17, 2009
so what I want to do should be pretty simple. I've been following the examples found here Using the BackgroundWorker Component - VBForums . I've been successful, but I'm not smart enough to put it in my project.
What I'd like to happen is this
1. I hit a button to load data from a dataset....
2. have a progress bar show until this action is complete.
The main problem is that I can't figure out how to tie the "progress bar" to the action of "pulling the dataset"
I'm sure this is a crazy question for you all, but hey...
Would I put all of the coding in the button_Click sub?
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Apr 29, 2010
I have created a form in which i am loading thousand of records. so i want to display a progress bar.Actually i am moving from MDI main meny to some other form so when i click that menu item i want to progress bar till my total records are not loaded.
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Apr 20, 2007
im making a web browser which is intertwind in a project, but i cant get the progress bar to display the current percent of a page that is loaded, i want to have 10 segments, each standing for 10% of the total page loaded. So say a page is loaded 67%, 6 out of 10 of the segments will be shown.
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Oct 17, 2010
I have a varbinary(MAX) field in my MS SQL Server database. The SqlDataAdapter.Fill() method takes a relatively long time (in LAN). I want to show progress for the SqlDataAdapter.Fill() method itself, using a ProgressBar.
Note: I know how to deal with UI controls and how to implement multi-threading.
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Feb 20, 2009
How would you get a progress bar to show the % of the loaded percent. Like if ur uploading a file, it shows the % its uploaded?
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Apr 2, 2010
I have a progress bar on a Windows Form which displays the number of records as they are retrieved from the database.The problem I'm having is that the entire Form.Load() method seems to run prior to the form being displayed, which means all my code updating the progress bar is gone to waste.
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Apr 18, 2012
[code]I don't get how to go to the next question when the answer selected is correct, also how to load the progress bar and the score text box.
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Mar 6, 2009
im making a web browser, but i dont know how to make a progress bar load when im loading a page. Please note that im using TabControl, so you cant use the WebBrowser function.Also i was wondering if you could add that little thing in the bottom left that says "connecting to http://..." and "transfering data from..." etc.
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Jul 9, 2010
2 questions:
1. How, programmatically, can you tell if a progress bar is at its max?
2. If it's at it's max, how can you reset it to zero?
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Jul 2, 2009
currently i am using a threadpool that contain a number of thread. This number of thread can be different everytime, sometimes 5, sometimes 10, sometimes 15 and so on (multiple of 5). So now i have it working good by using for loop to queue the thread into threadpool. Now the problems is i do not know how to make the progress bar depending on my threadpool. I want my progress bar to complete only when all the thread are done. After searching google, i found that maybe it can be solve by using AutoResetEvent(false), but after i apply to my program, it still did not work, my program hang at xEvent.WaitOne() method and didnt proceed further, anyone can explain to me how to solve the problem? Or got any other ways? For your information, only 5 threads can be running at the same time as the requirement state so (so i set the setmaxthread to 5 already).
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Nov 30, 2010
i have a form that takes a long time to open (because of the volume of data and the devexpress scheduler controls on it). I would like to pop up a progress bar (embedded in a form) to show until the form loads and is finished loading.i added two public methods in the My.MyApplication class...the form with the progress bar shows, but is stuck and doesn't animate.i figure that i need to open this form in a separate thread, but have done no work with multithreading.[code]is there an easy way to make this form always open in a different thread so that it will animate and show my "loading.."
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Jun 11, 2011
I have 1 form with the progress bar and 4 buttons with the following code.I would like to create another form that shows the same progress bar with the same progress.Here's my code for progress bar....form load code is:[code]....
how do i get that progress bar to be show in another form?
If form2.ProgressBar1.Value < 100 Then
ProgressBar1.Value += 20
End If
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Mar 18, 2011
Im having some trouble with my progress bars in VB.Net. I am currently making a 2d game for a college assignment. The problem is i have one for health and one for reloading the reload bar works fine but when i try to code the health bar i think it conflicts with the other Progress bar [Code]
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Aug 6, 2009
I want to make a progress bar for the loading of a webpage? Anyone know the code for that? I know now...
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Aug 12, 2010
I am wondering how do I update a Progress Bar that resides in Form1 (for example) from a newly created class called from the Button in Form1. I have read several tutorial about backgroundworker. Most of the googled tutorials have their "long process code" in the do_work event. I have tried them and got it working from within the form itself.
However, there are 2 parts (long process) in which I wish to incorporate the updating of the progress bar; First one being a long sub routine that is in the main form (Form1). The second one is another long processing function that resides in a class. It is the second one that is giving the problem as I have no idea how to call the backgroundworker.reportProgress() to update the UI.
Here is the sample flowchart that I have created for the second long processing function:
I wish to insert a new instruction that says "Update the Progress bar that is in Form1" after the current instruction "Store the member into a collection".
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May 11, 2009
I want to make an app that gets the progress bar to 'pulse'
My code doesnt seem to work though!?!?!
Public Class Form1
Dim Value
Dim NoValue = "Add"
[Code].....
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Aug 15, 2009
I am new to VS 2008.. It is possible to change the progress bar loading color (green) to other color? How to change it?
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Dec 21, 2009
I'm using vs2008 programming in vb.net. I'm currently working on a project that reads miscellaneous text files and imports data into a sql database accordingly (Reads line, imports, loops until finished). There are 75k-150k imports to do. I tested it out the other day before using a progress bar, it takes about 5-10 minutes and works fine.
The issue I have is that while importing, if you click anywhere on the form, it will say not responding and will continue to import, but users using the program might be mistaken and think the program has locked up. I thought a progress bar would solve this, since it is responding back while the imports are going on in the background. However, the progress bar works, but as soon as you click anything on the form, it again says not responding and the progress bar stops moving (the imports will complete however). How can I isolate this import process so it can do this in the background, but will not affect the rest of the program?
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Feb 11, 2011
I have 1 form with the progress bar and 4 buttons with the following code. I would like to create another form that shows the same progress bar with the same progress. [Code]
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Jan 19, 2011
I am not sure why my dataset is not being posted into datagridview
Sub to load the form and datagrid view
Private Sub btnMueME_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnMueME.Click
[Code].....
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Feb 17, 2012
I am creating XML files and load them back again. I use this following code to write xml to a folder. the code below will put date and time to the file name. and this code works fine.[code]...
Again, I want to load the last xml file back and put in a dataset. I normally write code like [url]...
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Mar 15, 2010
I have the following function: Public Shared Function GetLookupTableData(ByVal TableName As String, ByVal WhereClause As String) As DataTable
[Code]...
With one xml file it loads the schema and data just fine, but with another xml file it only loads the schema and not the data. There's no error thrown - just no data loaded.
Anybody have any ideas? I've attached the .xml file for your review. I would have attached the .xsd but the system wouldn't allow it.
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May 3, 2011
Is there anyway to complete a progress bar just by going ProgressBar1.Value = 100 when you want it to finish. I have a button which starts a countdown, I need the progress bar to complete when countdown reaches 0. Ive already used the step version, but when I want to alert the length of the countdown, the progress bar finishes too late or too early.
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Jul 2, 2009
hat i am trying to accomplish is execute a dos command with the following
frmStatusBar.Show()
' Set start information.
Dim start_info As New ProcessStartInfo(sOutput)
[code].....
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Mar 15, 2010
I have a comma delimited text file. I need to write this file to xml. I was thinking of first loading a dataset from the text document and then working from there. Is this a good way to go about it?Also how would I load the dataset from a comma delimited text file. The text is enclosed in quotation marks which I want to be removed
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Oct 30, 2010
I want to load minimum 150MB of XML into dataset,
simple way of doing that is
XmlDataDocument xmlDatadoc = new XmlDataDocument();
xmlDatadoc.DataSet.ReadXml("C:\books.xml");
But i feel on Lagre size message this code make some performance issue.
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Aug 8, 2009
I want to load minimum 150MB of XML into dataset,simple way of doing that is
XmlDataDocument xmlDatadoc = new XmlDataDocument();
xmlDatadoc.DataSet.ReadXml("C:\books.xml");
But i feel on Lagre size message this code make some performance issue.
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Mar 27, 2009
I have returned xml data in a variable and need to loop through the returned xml and pull certain data from select nodes.
I was thinking the best way would be to load into a dataset (or datatable) and loop through that.
I also have the xmlschema. What's the best way to code this?
I thought I could do something like so but it gives me the following error: DataTable 'newdt' does not match to any DataTable in source.
[Code].....
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Jan 31, 2010
I want to load an xls file to dataset, edit the data, and import them in mysql.My problem is that I can't load the file. It seems like it ignores the file completely.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd1.Click
Dim MyConn As OleDbConnection
Dim myPath As String = "C:TempManinLottery2009.xls"
[code]....
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Mar 15, 2010
I was looking for a solution to run a lengthy job (looking for files on the fixed drives) withouth freezing the UI, and saw that using a BackGroundWorker control is the recommended solution.
Problem is, I don't see its ProgressChange event being triggered:
Imports System.IO Imports System.Text.RegularExpressions
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Button1.Enabled = False
[Code]...
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