VS 2010 Applying Actions To Multiple Controls
Oct 8, 2011
I'm very new to VB and am struggling with a problem! I have a form with mutiple (100) textboxes and buttons. I have set the properties of some of the buttons so that the text is draggable, but I want to be able to drag it to every textbox. I have posted a snippet of code below that allows me to drag ot to box 1 and 2, but is there any way that I can set it to drag to all boxes without having to individually specifying them? The same goes for dragging text between boxes...i'm sure there must be some way of specifying multiple drag and drop locations without the laborious task of specifying each as an individual sub? Code below
[Code]...
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Oct 27, 2009
So Im doing this calculator and i got everything working well. The only thing Im having trouble with is getting it to allow multiple actions before assignment. What i mean by that is . Instead all i can do is (number * number=) does not let me do another before assigningCalculator
Public Class Form1
Dim abp As Boolean
Dim number1 As Double
[code].....
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Mar 23, 2011
My experience with Stored Procedures is limited and I'm hoping this will solve my payroll problems. Further, for what I'm attempting to accomplish a Stored Procedure may not be the best answer.I'm attempting a Payroll function in which the goal of the Stored Procedure is to fetch the data for a given Payroll Period, do math on the first returned employee, output a calculated result, then move to the next. Let me explain a bit more...Based on a Pay Period ID which is given to the Stored Procedure, I would like it to do the following:Select the employee in that period, add a total of his hours worked, then add that employees total commissions, whichever amount is greater - return that value (along with the totals - such as the total hours and total commission) - then move to the next employee until completed.
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Nov 28, 2011
I'm attempting to create multiple PictureBox controls. This is as close as I've got this thing to work:
vb.net
Dim Obj(6) As PictureBox, i As Byte
Dim Pics() As Image = New Image() { _
[code]....
However, it gives me this error on run-time:
Quote:
Object reference not set to an instance of an object. on the line "Obj(i).Image = Pics(i)".It would work if I was able to create a 'new' instance: Dim Obj(6) As New PictureBox, however apperntly:
Quote:
Arrays cannot be declared with 'New'.I am pretty sure that my image resource files are 'instances' of objects'' because the code works fine when every statement is written out separately (no arrays).
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Oct 1, 2010
How would I go about doing multiple layers on a form?Say the first layer contains a command button that when its click, it changes to the second layer hiding the command button and showing the controls on the second layer?
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Jun 12, 2012
I have a datagridview on a form and this shows up my list of suppliers. I have a textbox which when i click shows up the supplier list and from there when i double click on a row, the supplier's name is shown in the textbox. The thing is i have to do same on the same page for search purposes which got its own textbox. But the cell double-click event already contains code that will display it in some other textbox like i mentioned previously. What i thought is to make another form with a datagridview. So this datagridview will be used to display the supplier's name in search textbox. But what if i have to access this form several times. Do i have to create several forms everytime?
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Jan 25, 2012
I have many textbox controls and they are named as txt1.text, txt2.text, txt4.txt etc.I want to raise the event "Leave" when txt1.text leaves or txt2.text leaves.but with a single handler.
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Jan 18, 2012
In my program I have a picturebox. using the .onEnter and .onLeave events for the mouse I have the cursor change to a cross (one of the default cursors) and it does like a transparent grayscale thing and changes color a bit depending on what is behind it. The issue with that is that all the images I look at are grayscale images so it gets a bit lost. I am wondering if there is a way to use this default cursor and apply a different color to it?
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Apr 3, 2012
I have multiple user controls (the same one dynamically added to a form 4 times), and one class. I would like all of the user controls raise events in that one class. For example, if any of the user controls are clicked, I want it to send a string to the class to be processed and show a MsgBox "Control name was clicked"I am doing this as an exercise to reduce repeating the same code over and over directly in the control, and to avoid creating the class over and over to accompany each user control.
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May 22, 2009
I wanted to know if anyone could tell me how to access the Click_event.I have a boarderles form with a panel control which has the Dock property set to fill and on the panel I have placed a Label also with the Dock property set to fill. I also have a timer running.How can I get code to execute in the Label1 click event.I've tried doing it by using the generic Click_event and also with two variations of the Click_event Handles parameters
'Alternativ 1:
Private Sub Form1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click
[code].....
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Dec 17, 2009
I am making an application that uses multiple WebBrowser controls, and multiple proxies.The code for changing the proxy settings are as such:
#Region "Proxy"
Public Structure Struct_INTERNET_PROXY_INFO
Public dwAccessType As Integer
Public proxy As IntPtr
[code]....
Note: getRandomProxy gets a random proxy from a list.Problem is that whenever RefreshIESettings(getRandomProxy()) is applied, the proxy will be applied to all of the WebBrowsers, while i would need to have a unique proxy for each WebBrowser. Not having this would just error out the page in the other browsers and so on.
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Aug 26, 2010
When I click a cell or a row in a datagridview I want to be able to open a new form with several textboxes and comboboxes in it and to be able to edit the selected row. The only thing I managed to do so far, was to fill a texbox from the form with the info from the sellected cell using the following code.
Dim
cell As
DataGridViewCell
[Code]....
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Apr 12, 2012
I have the following code which is used by 7 comboboxes, the only difference is the combobox1 to 7 and the DataGridView5 to 11. In VB6 I would have used arrays, is there any way to write the code once or do I have 7 ComboBox1_SelectedIndexChanged subs.
[Code]...
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Nov 21, 2011
My application has a TabControl which has 5 tab pages. Each page represents a "department" and each department has to run this software. So when the user opens the application, they navigate to their department's page.
The software runs a serious of automated and manual tests. The tests are customized for each department. But I need to update the UI during each section of the test.
On the main tab, there is one panel that has 17 PictureBoxes. Each PictureBox represents one test. The PictureBox can either represent a test in progress, a test passed, or a test failed.
All of the tests are in their own code files, for the most part. And in the main form is when I call the tests and update the UI from a single method.
The issue I'm having is how to update the PictureBoxes without creating a bunch of redundant code.
When the test runs, I update the first PictureBox with "in progress", then when it completes, it's update again with pass or fail. So for a single test, I could need to place the UI update in several places, within the same code block, for planning out all the possible conditions.[code]...
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Jul 6, 2011
AM trying trap specific events for some controls on a form. i tried this, but its not fireing the events
[Code]...
EDIT I found out that am placing the control in multiple controls, on the form is a panel, inside the panel is different groupbox, these group boxes have the controls am trying to trap their events
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Jul 22, 2010
Recently i worked on a VB. I have to know how can create controls Dynamically on the run time and how can access these controls on the runtime??
Ex: I want to Create 10 checkboxes at runtime. After creating Checkboxes Dynamically how can i access these Checkboxes?? like i create Checkbox Called "chkAll" , If i check "ChkAll" checkbox then all Dynamic Checkboxes should be Check otherwise UnCheck?
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Sep 29, 2010
In my project, I am trying to change the visible property of my various pictureboxes using a for - next statement. My aim is to get the value of my numericupdown1 control and use this number to make the pictureboxes visible. For example, if this number is 8, the picturebox1, picturebox2, .......8 will be visible. Here is the code I wrote:
[Code]...
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Mar 15, 2012
I need to change size parameter of OvalShape, I have about 100 of them, named like OvalShape1, OvalShape1...... OvalShape100
This example works for Label, but throws error for OvalShape, following is my modified code that giving error;
For Count As Integer = 1 To 100
[code].....
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Sep 29, 2010
This sounds simple and I'm sure it is. I have a form with textboxes and combo boxes within a tabview that has 8 tabs. All the data is loaded from a database. The user has the ability to update these controls and then update the record in the database. Is there a way that I can check an entire tab view or group of controls for value change other than using an if statement to cycle through each control? Something to the effect of If TabControl changed, then execute...
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Jan 21, 2012
I know how to create a control at runtime e.g.[code]Can anyone tell me how to create multiple instances using a for-next loop? e.g.[code]The part I can't work out is how to give each new button a new name... like button1, button2 etc
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Nov 20, 2009
I have a form with six picture boxes on it. Each Picture Box has a button underneath it. When the button in clicked, a "Label" and "Textbox" appears. My question is, how can I close the currently open "Label" and "Textbox", when I click another button. I have a working code below, but it's not efficient. As you can see, I will have to list all labels and textboxes on the form. Is there a way to identify all labels and textboxes without naming them all. [code]...
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Aug 12, 2009
Has anyone tried using controls from different sources into their application that uses winforms? Will these combination of controls work together?
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Mar 9, 2011
I have eight NumericUpDown controls in my form, I call them NumericUpDown_1 thru NumericUpdown 8. I first noticed when I set a breakpoint in say NumericUpDown_1 routine and have code inside this routine to manipulate say NumericUpdown_6's value, the code would immediate jump to NumericUpdown_6 routine because the value changed. This makes sense since the handler fires due to the default handler - numericUpDown_valuechanges. But I do not want this to happen so I removed the handlers for all NumericUpdownX routines, one thru eight and instead I use "addhandler" and "removehandler" statements inside the individual routines to "mask off" this problem every time I change a numericUpDown.Value that is not in it's own routine.
My problem is this does not work. What I found is if I use removehandler numericUPDown_x.valuechange addressof numericUpdown_valuechange statement the coding would work however when I'm done in that routine I follow up with addhandler numericUpDown... statement and I'm back to the same problem. A different numericUpDown routine will fire because I changed it's value in another routine but I had the handler removed before I changed it's value so I don't understand. It's almost like it remembered that it's value changed as soon as I turned back on the handler using addhandler. I'm working with Visual Basic 2010.
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Mar 22, 2012
I have a set of controls and code behind them that I'd like to reuse on multiple forms. How can I do this? I know of reusing code via modules, but I'm not sure how I can add the same controls and their underlying code. If I achieve this, will changing data on one form affect the values of another form when they're both open? For example...
Cbox1's selected item affects the choices within Cbox2, and Cbox2's selected item affects the choices within Cbox3 (and so on).
So if I do something on Form1's Cbox1 and it changes Form1's Cbox2, will it NOT change Form2's Cbox2?
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Jan 7, 2009
just trying to confirm wat i noticed in vs2008,when developing a web app(or wat ever), in my design view, i cant select multiple controls & set same properties i.e. width or CssClass for them all at once (available in vs 2005). i dont know, was it delibrately removed by ms?
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May 15, 2009
I am trying to modify our web based program to allow for a second column of information to be entered and updated to the same table as what was in the first column. This program was written by others, so I am trying to keep within their format and structure.The idea is to have three columns (a fourth is currently sThe first column is the label column, the second column is a numbered assessment (1-10) and is currently free form textbox, and the third column (the one I am not able to get updated) should be a free form text box allowing as much comment as possible (without being a SQL text field).
The following is the two sub sections of the vb script:
Sub GetSkillsAssessment()
Session("PeSkills") = Nothing
[code]......
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Oct 15, 2009
I would like to use multiple textbox controls in a simple program for the user to input the number of items . I would like to check the values and store them in an array . I am using the tabindex of each control as the array index for the items. How can i retrieve the text of each control and store it in the array ? I keep retrieving the text value of the form itself.
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Sep 21, 2009
how to add multiple controls at runtime (ex. 10 texboxes)i tried.
Dim txt as New Textbox
Dim i as Integer
For i = 1 to 10
[code].....
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May 12, 2010
I'm allowing users to change data in a DGV. Is there some kind of built in method for DGVs that updates the table with the new values in my Access database? I have a save button that performs the following:
[Code]....
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May 23, 2012
I'm trying to iterate through a group of ComboBoxes and set a property using a concatenated string & variable to represent the name of the control. However, I can't get the instance of the form to recognize the (String & Integer_Variable) as one of its controls -- and so it doesn't recognize any of the appropriate properties or subroutines as members of the System.Windows.Forms.Control.Is there a cleaner way to do this?
For myTempCount = 1 To 6
If tempValue < Me.("ComboBox" & myTempCount).Items.Count Then
ComboBox.SelectedIndex = tempValue 'appears to work -- how?[code].....
This code was originally VBA / VB6, which I put through ArtinSoft's Visual Basic Upgrade Companion (VBUC). FWIW, I'm using Microsoft Visual Basic 2010 Express.
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