Forms :: Setting A Value To A Textbox In Another Form?
May 5, 2010
I'm doing an application for a school to help them keep track of student attendance and because I'm rather new to VB 2008 .NET I'm sure I'm missing something simple.see the screen shot and attached sample application showing the problem I am having.
The screen shot shows 3 open forms. I'm not able to get the value from the 3rd open form into the Student ID textbox of the 2nd form even though my messagebox shows a value is really in there.The attached application has 3 forms similar to the production application I'm writing which also includes 3 forms. Could you look at the application and tell me what we are missing to get the textbox data in the 2nd form to show up?
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Sep 20, 2011
I am having one heck of an issue with a webbrowser control I am using. As part of my job, I am working on creating a tool to automate an older system that we still use. The part that is being automated is web-based, and the group running the automation does not have access to any automation tools like QTP. In order to give them something they can use, the idea was to build an application just for them. In this application, I have everything working perfectly, with the exception of the most important part: the entry of a policy number. The policy number goes into a textbox, and then the user presses a button. A part of the automation sequence involves the use of a timer.
If I manually navigate to the appropriate page and put the .SetAttribute statement in a button action on my form, it works perfectly fine. However, if I put the .SetAttribute statement anywhere that is being controlled by the timer ticking, it does not work.So, this works:
Private Sub btnTest_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnTest.Click
Me.wbPrestige.Document.Window.Frames("WORKSPACE").Document.GetElementById("policynumber").SetAttribute("value", "1234567")
End Sub
but this does not:
Private Sub timerLoad_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles timerLoad.Tick
Select Case currentStatus
Case Status.wait_for_retrieving
[code]....
As a note, I do not have the Select statement in the Tick action; I have it in its own little sub. However, since it functions the same way no matter where it is, and to save space, I combined everything here. Also, at the time of the timer firing and setting things into motion to enter the policy number, the page is already fully loaded, so I don't think it is an issue with that, though I could be wrong.
It does not throw an error. The "1234567" above is passed in as a string, and doing a watch on it at run-time does show that the value is actually in there. It just seems like the .SetAttribute is not registering on the textbox. I have tried a few things ranging from "what-if" all the way to "that-is-so-dumb-it-just-might-work." Nothing seems to do the trick. I have tried sleeping everything for a few seconds just to see if there was an issue there. I have tried issuing the .SetAttribute command a few times in a row thinking it just wasn't taking the first time. Since setting .Focus() didn't seem to work for it, I even went so far as using SendKeys to move focus to the textbox on one attempt and API calls for mouse clicks (to click inside of the textbox) on another attempt. As a last crazy attempt, I had the Select statement doing a .PerformClick on btnTest (which works if I navigate to the page manually).
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Apr 30, 2009
So I am playing around with the resize event. My form is 500 wide, my button.left is at 100. If I use:
Dim int As Double
int = button1.Left / Me.Width ' this = 0.2
'resize event
'Button1.Left = (int * Me.Width)
TextBox1.Text = (int * Me.Width).ToString
The number in the texbox is correct - proportion wise, but it won't set the button1.Left to this number. I'm sure this is because int is a Double where .Left is an integer?
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May 6, 2010
How do I code in vb.net that the text box can only accept 10 inputs from the user. User can only enter 10 strings.
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May 4, 2010
Form1 shows form2 and form2 shows form3. From form2 I can change the value of the textbox in form1 but from form3 I can't change the textbox value in form2.Please can you look at the application and correct it so I can change the value in the textbox of form2 from form3.
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Mar 31, 2010
I don't know much about vb.net so I'm hoping this is something that can be done fairly easily. We currently have a system where valves are fired by checkboxes (representing each valve) being checked at certain intervals and when the last valve is switched the timer restarts in order for the sequence to repeat itself. We would like to be able to have a textbox in the form where we can just type in the interval at which the valves (checkboxes) switch without having to change the interval manually in the code each time we want to change it. Currently in our code we just have a set interval. Here's the code:
[Code]...
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Aug 16, 2007
I have a problem.I want to set the focus on TextBox1 when the form loads. TextBox1 has a tab index > 1. I put this line in the form load subroutine:TextBox1.Focus()It does not work! However if I make a button and put the above line of code to its click event procedure, then TextBox1 get the focus.
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Aug 6, 2009
is it possible in design mode to set the textbox text property to the text property of a textbox in a different form in vb.net?
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May 15, 2011
I was using 2 forms, the first one has general data capture and the second one is a calendar form. On Form1 I have mulitple windows controls. A Textb ox and beside a Calendar button. When I click on a Calendar Command button, it should open calendar form and once the user selects the date, the date should be placed in the text box on the form1. Identical to this on Form1 I need multiple textboxes that needs date to be captured.I cannot use a global variable for this as I need to validate mulitple text boxes. To explain this, I have a Transaction Date and Date Received. I need to validate whether Transaction date is prior Date Received or not? I dont want to use several global variables b'coz I might need multiple validations as above. Please help me on this.
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Apr 8, 2009
I have written a program that if all if statements are true then it closes out with me.close() without displaying the form. If a if statement is false, then the form shows with some text as to why it failed.The program works perfectly....until I change the form setting "top most" to true, if the if statements are true, instead of the form closing as it should, I receive ObjectDisposedException was unhandled Cannot access a disposed object. Object name: 'Form1'.
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Dec 14, 2009
I have a question regarding using a TextBox in second form within the same project. Currently I am using two forms. From the main form you can click a button which opens the second form. There, I want to type in an integer value into a textbox and use it for the code in my first form. Here's my
[Code]...
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Feb 5, 2010
I have 2 textboxes one for datetime picker and another for entering the name. i waant to make the datetime textbox invisible when the form is executed & when i press save the data from both textboxes should be saved into the database.
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Aug 13, 2011
I'm trying to make an aplication in wich you'll use the textbox to select an item form the listbox If the listbox has:
[Code]...
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Apr 18, 2010
I'm an absolute newb to vb (less than a week) and I'm trying to convert a console app to a windows form.In the console app, I have this code
Public Sub rconPacketReceive(ByVal fromserver As Boolean, ByVal isresponse As Boolean, ByVal seq As Integer, ByVal words() As String) Handles rconObj.packetIncoming
Dim w As String = Nothing
For Each word In words
[code]....
What I want is to have this Console.WriteLine displayed in a text box on the form but don't have any idea on how to do it.
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Oct 27, 2009
I've asked this question before, and so have many before me, i have done extensive research on the topic and stil no help. Maybe this is some kind of secret info. shared only amongst top programmers. Bt how do you really, trully double buffer a form, aside from setting "Double Bufferd" to true, which doesn't work in most cases, I want to know how do companies lyk Microsoft and Symantec, prevent flashes on big applications such Word and Norton.
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Apr 4, 2012
Just opened the VS2010 pack I've been meaning to get round to for ages. Where is the setting to use un-docked forms in the de?I know I can un-dock each for manually but thats pants.
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Feb 9, 2009
Did vs2008 or vb.net got some of the solution to solve properties setting of the components are same with each other?
Example: like I want to standard the datagridviews' property, each of the datagridviews' property is same with each other. but each time I create the new datagridview. I have to manually set the datagridview 1 by 1.
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Nov 18, 2009
I've set the Icon for my forms and project, and saved. But my project's icon is still the default app icon.
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Mar 3, 2012
i am working on a college project in visual basic 2010. in my program, i noticed at the last minute that i needed to add a "main" window. in this main window, i want to have all my other forms opened by buttons (i know how to do that part of it).
the problem i keep having is the window with the options to save the information pops up, not the main window. is there a way to easily fix this? maybe a snippet of code, because the only way i can think of is to scrap the project, start over from scratch adding my main window first, then the others.
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Mar 2, 2010
Do you know why this happens? If (strCampaignFolder <> "") Then 'Next line works fine when strCampaignFolder already has a value set by FolderBrowserDialog1.SelectedPath further below.
FolderBrowserDialog1.SelectedPath = strCampaignFolder Else 'PROBLEM: Next line causes the external .NET code 'UnsafeNativeMethods' to put the app to sleep when strCampaignFolder has no existing value!
[Code]...
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Dec 4, 2011
I have a list box on my form with 2 value - "2010" & "2011". When I change the value in the listbox it should set the minimum and maximum value of 2 datetimepickers. Each time I try to change the value I get an error - for example if I change the listbox from 2011 to 2010 I get the error:
"Value of '31/03/2011 00:00:00' is not valid for 'MaxDate'. 'MaxDate' must be greater than or equal to MinDate. Parameter name: MaxDate"
If ListBox1.SelectedIndex = "0" Then
DateTimePicker1.MaxDate = #3/31/2011#
DateTimePicker1.MinDate = #4/1/2010#
DateTimePicker2.MaxDate = #3/31/2011#
DateTimePicker2.MinDate = #4/1/2010#
End If
If ListBox1.SelectedIndex = "1" Then
DateTimePicker1.MaxDate = #3/31/2012#
DateTimePicker1.MinDate = #4/1/2011#
DateTimePicker2.MaxDate = #3/31/2012#
DateTimePicker2.MinDate = #4/1/2011#
End If
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Nov 9, 2009
I have a panel with 5 labels and 5 listviews in it. By default they are hidden. At runtime I want only the ones shown that are needed. For example, if there are enough players for three tables then three tables should show up. I know how to make the controls visible, but not sure how to control how many are actually displayed. I also think I may have to do seperate loops and seperate the control types?
Private Sub Set_Tables()
Dim tables As Long
tables = Math.Ceiling(NumPlayers / NumPerTable)
[Code].....
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Aug 16, 2011
I have a combobox which is populated from a datatable.
I hae a list of values also and when one is selected i would like it to highlight the correct value in the combo box and have been trying to no avail.
my code is
Dim searchrow() As DataRow
Dim searchrow2() As DataRow
Dim cellvalue As String = dgvStockComps.Rows(e.RowIndex).Cells(1).Value
[Code]....
eveytime i sellect a value in my list nothing happejns to my combo box (i.e. it goes blank and it doesnt show the sleected item like i would like!)
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May 15, 2012
Most of the apps I write have a base / home form and a few other forms (three of four typically) which pop up in response to controls clicked by the user. I'd like to be able to set some properties to be the same for all the forms in an app; particularly properties like BackColor and FormBorderStyle. Yes, I can manually set the individual properties for each form in the VB IDE, but I'd prefer to be able to have one line of code in the base / home form for each property along with one line for each dependent form which says something to the effect of "use the same property value as the base / home form has". Overall, my objective would be to have one single line of code in the app which, when changed, would apply the changed property to all the forms. For example, a single line which I can change to take the BackColor from Apple to Orange for all the forms ...
[Code]....
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Jul 29, 2010
Dows anyone know how I can build a timeout feature into a windows forms app.
The app is event driven, but I am thinking of somehow using a timer which counts down for say 10minutes, and one the timer ticks then we time out the user.
The problem I have is how can I reset the timer each time the mouse is moved or clicked.
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Jan 3, 2011
I got a form, another form, another form, another form, etc.And I got a quit form (Msgbox is not pretty)So, there starts a problem.I have two quit forms now, so that the user can pick the best one.The problem is that I don't know how the user can pick it. I have a quit button in Form3. I want SettingsForm have one label that says "Use the new quit dialog:" and two RadioButtons (which it has.) The Yes Radiobutton = Uses the new form, the no button uses the old one.Settings save the selection for the next session, etc.
RadioButton2 = Yes
RadioButton1 = No
Label = Use the new quit dialog
ButtonQuit = The Quit Button
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Dec 24, 2009
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
If CheckBox1.Checked = True Then
[code].....
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Jan 6, 2012
I am not going to explain my whole project or why I want it do this...Ok... so for example my myfile.txt file would contain the word "hello"ashuming this would work (which it didnt):dim myfile as String = application.startuppath("/myfile.txt")on form1 load: textbox1.text = myfileunfortunately instead of it sending the value of the file it sends to file location.
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Jul 23, 2009
I am doing a alarm system project which allows a user to select a particular alarm and test the sound. It will also enable the user to save the alarm as the prefered type. So that the next time the alarm rings, it will be that tone which the user has selected.i have already done the select alarm button, play and stop button, but i am having trouble with the save button. [code]
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Oct 26, 2009
I'm having trouble with setting a datagridview's cell in edit mode, or rather, to let the user type some input on load of a form (as in Excel or the like).
This is my code (after the dgv has been filled):
dgvTentander.EditMode = DataGridViewEditMode.EditProgrammatically
'(or dgvTentander.EditMode = DataGridViewEditMode.EditOnEnter)
dgvMyDGV.CurrentCell = dgvMYDGV.Rows(lastrow).Cells(TeCOL_Quant)
dgvMYDGV.BeginEdit(True)
The code correctly indicates that the cell is selected, and when the page is loaded I can still se the cell selected, but the cursor doesn't appear and nothing happens when I type.
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