Sql - Closing Choice Via Dialog VB 2010?
Jan 5, 2012
The following code is a what I have done in order to show a MsgBox when an exit ITEM on a MenuStrip is clicked then it will give two different choices Yes and No. If Yes then it will close the application but if No then it should stay on the same page.
Private Sub ExitToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExitMenu.Click
MsgBox("Are you sure you want to exit the program?", MsgBoxStyle.YesNo)
If MsgBoxResult.Yes = True Then
Application.Exit()
End If
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Jun 8, 2009
This is the code i have:
CODE:
And when i cancel it just keeps poping up the closing dialog, and the same with no. but with yes it works fine.
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Mar 22, 2009
I'm currently coding a program where I would like a dialogbox (with answers OK and Cancel) to essentially 'fake' a clicking of Cancel after 10 seconds.I've got the timer working, but I'm not sure how I'd go about actually cancelling the form in a different subroutine.
[Code]...
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Mar 12, 2010
I have four drop down lists here and I've assigned the datasource and displaymemberproperties so they are populated by a table. When I run the program and select a choice, all four of them get updated with the new choice.
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Mar 5, 2010
I have developed an application where some data will be automatically be updated in an Excel File. I need to autmate the application in a way such that there will be no manual user intervention.However once data is updated in the Excel file I get a save dialog prompt asking the user to save the Excel file. I need to know if there is any way to automate this part i.e. automatically save the Excel file and exit the application once data is updated.
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Apr 2, 2011
I'm really new at programming and was looking for guidance about a project I have.I have to design a program that administers a multiple choice test to users. It delivers questions one at a time, from a predefined test file for the user to answer. It also marks and displays a score at the end of the test.
First, a QUESTION form verify's the user's registration status and access. The user provides a registration number and password and the program reads it from a "registration.txt" file to determine if the user is eligible to take the test (i.e., they are registered to take it). If it is correct, then the user presses the "Begin" button. If not, then a message appears and the student tries again to enter the information.
A read only text box will display the score at the end of the test (String with format correct/total) and the user can't retake the test.Second, a QUESTION form opens after clicking "Begin" on the entry form. The questions are going to be from a "testfile.txt" file.Each question is on multiple lines in the file. The first line consists of the question followed by possible answers followed by the correct answer ( 3 items are separated by "#"). The current question number and the question will be displayed in textboxes.'n'= possible answers; so each of the next 'n' lines provides a possible answer. All possible answers will be displayed in a Listbox.After the user selects an answer, an ''Enter'' button is pressed. This will submit and evaluate the answer. If nothing is selected a textbox should appear and display the error message (APPEARS ONLY IF THERE IS AN ERROR). After pressing ''Enter'', the next question is displayed.When all questions answered, the entry form is displayed again and displays the score.
I know that's a lot of information, but I wanted it to be really clear. Would it be best to cycle/loop the questions with a DoWhile loop? And how would I store the answers while the user goes through the test?
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Nov 22, 2011
I wanted to have one choice enabled to the user(radio box) in two Groupboxes, is that possible? Is looping the why i should do it?
Public Class Form1
Inherits System.Windows.Forms.Form
Dim version As String
[code]....
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Dec 23, 2011
The problem is when I run/debug my program in Visual Studio 2010, I have a comboBox/dropdown menu which allows the user to select from 3 combinations of years and interest rates. I can select and get output from choices 2 and 3 but not choice 1. Choice 1 being 7 years at 5.35%.
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Apr 3, 2012
I am trying to create a simple program that delivers True/False questions from a text file and then displays the mark to the student, but I'm running into trouble.I created two forms. The first contains a listbox which is populated with the possible test choices (taken from a .txt file containing only 2 choices). I wrote this code for the listbox
Private Sub frmTest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Populates listbox with test names from TESTS.txt
Dim sr As IO.StreamReader = IO.File.OpenText("TESTS.txt")
lstTest.Items.Clear()
[code]....
After the test is chosen, the user presses BEGIN. At this point I have my actual Question form pop up, and the first form is hidden. I tried to begin with an If-Then statement which will open the appropriate .txt based on the selection from the first form.
Private Sub frmQuestion_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Opens appropriate test based on selection
If frmTest.txtChosenTest.Text = CStr(frmTest.lstTest.Items(0)) Then
[code]....
This is where I get completely bottle necked though. I've been staring at the screen/textbook for 5 hours now and I don't understand how to write the code that will take my questions from the (now open) text file, separate the question from the answer, and put the question and question number in the appropriate text boxes. The format of the question .txt's are simple. One question per line, with the answer following, separated by a comma. For example, Midterm.txt might look like this
Question1isthisone,T
Question2isthisone,F
If I were to design a form for this problem let's say it would look like this:I am currently stuck at this part though. How do I populate the two read-only text boxes with the question number/question, and then cycle through the questions from the .txt while also keeping the user's score?
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May 3, 2010
Form1 is a mdi container. It has a bunch of forms that can load inside of it as mdi children. If I close each open form inside the form1, and then click the red X at the top right, application exits fine.If I click the red X without closing the forms inside I get: An unhandled exception of type 'System.CannotUnloadAppDomainException' occurred in mscorlib.dll
Additional information: Error while unloading appdomain. (Exception from HRESULT: 0x80131015) However I can break from it. How do I get the application to not show that error? What must I do to fix those inside forms or close when the red x is clicked?
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Jun 4, 2010
Dim frm As Form
For Each frm In Forms
Set frm = Nothing
Next frm
The above code is what I used in VB6 to close all forms associated with my programs before my program closed. I have been searching for information on how to make sure all forms are closed when closing a VB2008 program.
I have seen info on using the Project Property Shutdown mode When startup form closes and I currently have this set.
Is this all that is really necessary? Will the garbage disposal close everything else to free up RAM?
Also, if I have several forms open and want to close all from the main form without closing each one individually, what is the best approach? Is there a collection like in VB6, go through the collection, compare it to the name of the main form and close it if it is not the main form?
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Oct 24, 2010
I've made an app with vs 2010, which holds a mainform. On it is a menutoolstrip with button, when I click on that button a second form is opened on a second monitor and the button is being checked (different color).
When I click the button again, it is unchecked, but the form on the second monitor is still open, while it should be closed.
[Code]...
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Jun 11, 2012
How can I ensure an application is fully closed when the user selects the close window X at the top of the form. It appears to just close the current form by default which is leaving the program still loaded in memory when the user thinks they have closed it. I have tried capturing the close and running application.exit but this closes the whole application even when I only want the current form closed.
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Feb 6, 2011
I want a button that when you click at it, It searchs for a line that has brackets that are'nt closed, and then ighlights the error.Like, I have; So the (Dog Which should be for example (Dog). Then, I want it to highlight it so the user can see his error, and show a notifyicon on it.
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Feb 28, 2011
I have an app that is on a network drive. Around 100 people will be using the app.
Right now, I have 2 people testing it. They found a couple of bugs, I fixed them, and made the changes.
However, before I could update the app, they had to close it because I can't delete a file that is in use.
how I might prompt the user that the app will be closing in "x" amount of seconds for updating?
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Feb 12, 2012
I have noticed when I close a form I have invoked using form.showdialog the form does not appear to be totally removed. If I load a value into a textbox and press my cancel button [Me.close() Return] and then reload the form the value in the textbox is still present. Also bindings are failing because they are already set up
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Jun 11, 2011
I have a databound datagridview. When I click the close form it goes into an endless loop. The dataerror event is repeatedly called and the context field states that there is a formatting error. Never had this problem in 2008 ?
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May 23, 2012
Okay so my program opens excel, reads a few cells, and closes excel. But, it does not fully close excel and after multiple runs, I have multiple EXCEL.EXE *32 in my process list. It also asks for a save when it's closing when there are no changes being made, is there any way to avoid this? And how do you get Excel to fully close?
[code...]
The program closes, without asking for a save, gets me the data I need, but remains in the process list.
Using this for my Imports
[code...]
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Sep 22, 2011
I am working on a football simulation. I'm writing the code when a quarter or half ends. If any of you ever played Madden Football you know that when the time reaches zero the play calling screen disappears. This is exactly what I am trying to do. The play calling screen in my case is a dialog controlled by the main game screen (the main form controlling most of the game). I use the .ShowDialog event to display it. What I want to do is close this dialog on a tick event.
I'm not sure how to access this dialog if it was created as a local variable. I assume it's like finding any other control that was dynamically generated at run-time but I can't wrap my head around the proper syntax. Once I get the dialog in the tick event I want the dialog to close and return all control to the main game screen. I've never tried to close a dialog without the user clicking a button on the dialog itself. This is different because the parent control is closing the dialog with its own event (Tick).
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May 1, 2012
I've created a program with a login form. Once you log in, the login form should close and the next form should display... my problem is...
If I use Me.Close()... than both forms close and the application terminates.
If I use Me.Hide()... than the application never unloads from memory and run indefinitely.
So what do I do? Neither of these work how I need them to.
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May 11, 2011
I have a windows application. I would like to run a statement while exiting my application. I tried adding my statement on FormClosing event. but it only executes if the application is closed properly. However, If the application is closed via task manager or system is restarted or logged out, etc. then the statement in closing or disposed event is not getting executed.
Private Sub Form1_Disposed(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Disposed
MsgBox("disposed") End Sub Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs) Handles Me.FormClosing
MsgBox("closing")
End Sub
can some one tell me how to get my statement executed even the user tries to log out or shut down or application is closed via task manger.
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Apr 7, 2011
I'm sending a message on FormClosing(...)... This works ok. However... I have multiple tabs with a textbox or rtb, in it. When I change the text, whatever, it is modified. Now, when I close the app a messagebox appears that some of the textboxes or rtb's have been modified. This message is shown for each textbox-rtb-control. Which means, that when I have changed something in 4 different rtb's or textboxes I get the message 4 times. How do I change that to only one time?
[Code]....
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Apr 10, 2012
I have a simple form that when filled out with a case # will return the name of the person that is handling the case. I am getting an error on any machine that does not have VS 2010 installed on it. The error is when ever the user uses the close button (the red X) at the top right of the form the following error is generated:
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
[code].....
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Apr 27, 2011
I have the following code to close a form which is a child. The problem is that when it closes, it closes the MDI parent too.
Private Sub frmTransaction_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Closing
If ListView1.Items.Count >= 1 Then
[Code]....
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May 30, 2010
I have no problem loading the contents of a text file into a richtextbox(rtb) with the below code. I can then edit and save the contents of the rtb to the file, and clear the rtb.
However, is the file still open? Does loading a text file into the rtb actually open that file? I am asking because I can't find any methods or techniques to close a file that has been loaded into a rtb. Is clearing the rtb the correct procedure?
Public Class Form1
Dim openFile1 As New OpenFileDialog()
Private Sub OpenToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenToolStripMenuItem.Click
[code].....
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Oct 29, 2011
It is my goal to write a program to run a retail store. I am an intermediate Access developer, so I have a good grasp of the basics.However, I find that developing in VB 2010 is quite different.I will have forms for:
Company Information
Employee Information
Supplier Information
Customer Information
Invoices & Purchase Orders
All I really need to know at this point is the code to open and close each form.
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May 7, 2011
I am creating a app to analyze databases for duplicate data for multiple projects. For example, I might have 10 different access databases to analyze individually and I would like to choose them from a dialog control if possible. After the connection is made I will then proceed to run the query from the button click event and spit out the resulting data into a separate winform.
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Jul 21, 2010
Is there one out there? I try to include this and it says something about the Oracle connection not being compatible with the target framework. Any ideas? Or how can I change the target framework of the project without breaking the visual studio power packs?
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Mar 16, 2012
I am saving using file dialog box and I want to get the path of the save location because I want to copy files that was browse by the user . I am planning to to copy some image and to be save there where I save the data. Im planning to use this but I need first the save location.
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Sep 21, 2011
I have one MDI app and I need to make login dialog... If user is not in Access db as "user" then he cant login (open app). For me it is ok default studio logindialog form. how to connect username and pww textboxes with access db to check is this user in db or not.
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