Buttons Going To Wrong Handler?
Jun 29, 2010
So i had a some objects on my project like a few textboxs and buttons, which all had code tied to. For example text1 button1. I delete the two objects (not code) from the project and then paste a text1 and button1 (same exact names) back into the form. now when you click button1 or text1 you get
"Private Sub Button7_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click"
rather than the code all ready in the project for button7. The reason im doing this weird situation was because i goofed some of the object settings and was copy and pasting the old objects from a backup version.
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Mar 18, 2010
not quite sure why this is happening but I am just debugging right now and the buttons I am using are opening the wrong forms, I have made sure of the form names, button names etc and it looks all good but specifically the btnPrintReport is opening up the form enterAuditForm while btnProcessAudit is opening printAuditForm instead of their correct ones.
Here's my code, it is rather simple. The reason why I am using a separate sub as my btnPrintReport is because I am using that also on the baseForm's OnLoad Event, which again is also opening the wrong form.
[Code]...
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Apr 25, 2009
I used onu sub as an event(click) handler for a number of buttons , my question is how can I find out which button is clicked inside the sub?
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Jan 12, 2010
I've got a DataGridview I want to remove columns from as it greatly increases performance when I format the DGV. The first time I remove columns in a loop (using the removeat) property, everythings fine. But when I try to remove more columns in another loop, it appears to remove the wrong columns and displays the wrong data. In other words, it displays the wrong data and headers; and the columns it does show has headers and cells that don't match.
[Code]...
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Mar 3, 2012
I have a piece of software with two tabs, inside each tab there are buttons (the user can add the buttons when they want). when tab1 is full tab2 should start to fill. I currently know how many buttons fit on the screen so I just say something like if buttons > 150 then start to populate tab 2 The problem i have now though is if the resolution is changed then a different amount of buttons can be displayed. so if I put my screen to 1280x720 some buttons are left of. I was thinking of detecting the resolution and then using different cases for different resolutions but this seems very inefficient im wondering if there is a different way?
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Aug 27, 2011
How do I get a Event Handler to fire from within a nother Event Handler?
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Feb 5, 2010
What I would like to do is to have four different buttons (e.g., buttonA, buttonB, buttonC and button D). I wanna give the following instruction to the people: press these buttons in the following order: first buttonA, then buttonB, then buttonC and last buttonD. If they obey this instruction then a picture will be displayed, for instance a happy face. All the other combinations will not activate this picture to be displayed, or in other words, there won't be any consequence. I would also like to save this data using windows note pad e.g., writeline (1, xxxxxx). Is there any chance I will make it?
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Oct 25, 2011
So im creating a mail bomber here is the code
Imports System.Net.Mail
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
[CODE]...
Pretty simble but im trying to make buttons that chage between [URL] and [URL]on the timer code
Dim MyMailMessage As New MailMessage()
MyMailMessage.From = New MailAddress(TextBox1.Text)
MyMailMessage.To.Add(TextBox3.Text)
[CODE]...
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Apr 18, 2011
The event handlers in my parent class are never called though the events are raised in the child class.
The Code:
Public Class childForm
Public Event checkboxchangedEvent(ByVal checkbox1 As Boolean, ByVal checkbox2 As Boolean)
Private Sub checkboxchanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged, CheckBox2.CheckedChanged
[code]....
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Aug 24, 2010
how can i use flash buttons in place of the normal vb.net buttons for more powerful interface in our desktop apps.
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Jun 12, 2011
I'm using a dialog form with two buttons and two Radio buttons.I'm oppening this Dialog when a button is clicked on the parent form.My situattion is when the Dialog opens the code in the button event continues to execute, but I only want it to continue to execute only after a button from the dialog form have been clicked
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
If multipleEXT = 2 Then
Extension.Show()
[code]....
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Sep 15, 2009
i need to get some buttons to interact with other buttons on screen when i click then, as each indivual button gives a slightly different result.imagine this:[code]....
then i need then to hide different buttons depending on which button was pressed. so say i pressed button 1 then all the buttons showed but alternativly if i had of pressed 2 then say button 5 and 6 disapear.managed to get one way to work but then i would only ever end up with the first results every time.
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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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Mar 15, 2010
i have 4 different handles buttons with code how can i connect them in another "general button" that will make the 4 buttons to work with one click
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Mar 21, 2012
remove an event handler from within the event handler?
I have a class that gets data from a hand scanner. When the scan is complete and the data is validated, the class fires a custom "ScanComplete" event and returns the data in a custom EventArgs.
In the calling program, I'm creating an instance of the scanning class and adding a handler for the "ScanComplete" event. In the event handler I get the data that was scanned and then remove the handler.
It seems to be working but it feels wrong to remove the handler while I'm running inside the handler. Will this cause a problem?
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Sep 1, 2010
I have 7 Windows forms.The order of the forms is defined within a configuration file.I want to place buttons on each form that will show the next available options.The Next button will move the next form in the list.The Back button will move to the previous form in the list. The Finish button will execute the final piece of code.The Cancel button will exit the application.If the user is on the first form, then there is no Back button.If the user is on the last form, then there is no Next button, but there is a Finish button.
Example 1:
Form1 - Next, Cancel
Form3 - Next, Back, Cancel[code]....
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Jan 25, 2010
How to tell a programmer he is wrong?
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Jan 15, 2012
I have a login form which accesses to my website by WebBrowser. You have to put Username and Password in the two Textboxes to login... It works fine and it loggs me in to my site...but how can I tell if the password is wrong or not?
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Jun 12, 2012
I am trying to wrote to the registry but it redirect to the wow6432node instead of where I want it, how do I fix this?
[Code]...
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Feb 5, 2010
I am converting a VBA program to VB. I need to create controls at runtime as I don't want the user to be limited to the amount of information that they can input. I am converting this statement in vba:
Dim CF As CashFlowControl
CF = New CashFlowControl
CF.Cashflow = Form1.Controls.Add("Forms.Textbox.1", "Cashflow" & Cashflows.Count + 1, True)
With CF.Cashflow
.Left = Form1.Label2.Left
.Width = Form1.Label2.Width
.Top = Form1.Label2.Top + Form1.Label2.Height + (Form1.Label2.Height * Cashflows.Count) + 5
.Visible = True
.Text = 0
.Text = Format(CF.Cashflow.Text, "$#,##0.00")
End With
I have tried:
Dim txtbox As New TextBox
CF.CashFlow = Form1.Controls.Add(txtbox)
With CF.CashFlow
.Name = "CashFlow" & Cashflows.Count + 1
.Left = Form1.Label2.Left
.Width = Form1.Label2.Width
.Top = Form1.Label2.Top + Form1.Label2.Height + (Form1.Label2.Height * Cashflows.Count) + 5
.Height = Form1.Label2.Height
.Visible = True
End With
I've also tried:
CF.CashFlow = Form1.Controls.Add("vbtextbox","Cashflow" & Cashflows.count + 1)
With CF.CashFlow
.Left = Form1.Label2.Left
.Width = Form1.Label2.Width
.Top = Form1.Label2.Top + Form1.Label2.Height + (Form1.Label2.Height * Cashflows.Count) + 5
.Height = Form1.Label2.Height
.Visible = True
End With
I still get the little wavy underline under the text after the "Form1.Controls.Add" statement and the error says "Value of Type 'string' cannot be converted to 'system.windows.forms.control." I also get the error "Too many arguments to 'Public Overridable Sub Add(value as systems.windows.forms.control)"
What am I missing here? This seems to be the way it is done in all of the examples that I have found on this site.
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Jul 30, 2010
I'm quite new to VB Programming and I'm using Microsoft Visual Studio 2008 for programming. I'm writing an application that communicates with an Omron PLC via CX-Server Lite which brings some ActiveX plugins for VB. So far I solved a couple of problems and my application "is doing something" already.My question in the end might be really easy. I inserted 3 bitlamps (Omron ActiveX Components) in a form, gave them the size and position I wanted them to have. When I now start my application they show up in the wrong size. It seems as if they would keep there position but they simply have the wrong size and even overlap each others although I have them sorted nicely in Visual Studio.Another effect I have is, sometimes when I move the components around on the Form in Visual Studio they seem to be "behind" the Form. I can't see them anymore but i can highlight and move them.
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Jun 7, 2009
I made a chat-room in Visual Basic, but when I run the deBug it works fine. When I build the application that's where things go wrong. I am using C4F-P2P.
Unhandled exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately.
An error occurred creating the form. See Exception.InnerException for details. The error is: Could not load file or assembly 'C4F_P2PWinformControls. Version=1.0.0.0, Culture=neutral. PublicKey Token=9569f7192217be80' or one of its dependencies. The system cannot find the file specified. ""DETAILS"" See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
[Code]...
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Jan 24, 2012
I have two (2) variables in a textbox (L7B) and (D2B).
TextBox3.Text = (L7B) &
" " & (D2B)
I want to write over (L7B) without changing " " & (D2B).I have been using the TextBox3.Text.remove command with success however in this case there are just too many scenarios. (D2B) isn't the same number of characters so I would have to determine the number of characters to remove in each scenario.
To write over (L7B) I thought I would try TextBox3.Text.remove ((L7B)). To my amazement VB accepted this command but when I run it it removes " " & (D2B). How is it removing the wrong variable? I could understand if it didn't work at all, after all that's what I expected to start but to delete the wrong variable !! why?
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Dec 12, 2009
I'm attempting the following code to calculate how many quarters, dimes, nickels and pennies a user should get as change, and display them in four labels, when buying an item from a machine. The user inserts the amount paid and the cost of the item in two textboxes.My code is as follows:
Code:
Private Sub btnCalc_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalc.Click
[code].....
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Jun 16, 2010
I have a byte array that I'm encoding to a string:[code]Then I write that to a file via IO.File.AppendAllText.If I open that file in 010 Editor (to view the binary data) it displays as this:47 43 44 53 79 73 74 65 6D 73 3F 0A 01 32 31 36..The original byte array contained 89 at position 11, and the encoded string contains 3F.If I change my encoding to Encoding.Default.GetString, it gives me:47 43 44 53 79 73 74 65 6D 73 E2 80 B0 0A 01 32 31 36.
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Feb 6, 2009
I'm working with VS2005 Pro. When I show the toolbox to add a control to the form all controls display the same icon. The icon changes from one session to the next, but remain the same as long as I have the IDE open. I've applied all updates and service packs and the problem persists. It doesn't stop me from adding the correct control, but does make it a bit more time consuming finding the right one.
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Mar 30, 2011
How ever it is returning wrong results. Any one spot the mistake. Needs to return the username / ID from every online user from [code]...
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Nov 20, 2009
Scroll Event goes wrong.I have this [code]...
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Jan 3, 2010
I can't manage how to fix.
Dim constring As String
Dim con As SqlCeConnection
Dim cmd As SqlCeCommand
[code]....
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Mar 15, 2012
I am messed up with the below query[code]...
but when i run the query in my project the reader in not reading correctly...even if values are present is returns false and if values are not there then it returns true.
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