I am creating a form and I have a label that will display the user's name, but what I need to do it trigger a text box when the application opens that will allow the user to type in their name and then assign that value to the label in my form. How do I trigger the text box and assign the value to my label? My label is named lblStudent.
View 11 RepliesI have a main form that has a dynamically generated treeview and also a panel control. Depending on the selection made within the treeview the panel docks 1 of three diffrent usercontrols which are full sub forms(done for ease of modifing design of sub form rather than layering panels on top of panels).Upon button click withing usercontrol i wish to trigger event within main form.For example delete button wich then triggers to remove current selected node from treeview. code for 1 of three diffrent user controls
Dim ctrlQ As New QuoteUC(TrViewQuotation.SelectedNode)
PnlSubFormDock1.Controls.Add(ctrlQ)
Code for delete button for which i need to raise event.
If MsgBox("Are you sure you wish to delete this customer ?", vbYesNo, "Delete Record") = vbYes Then
Deletecustomer(n)
End If
I have a form with a Tab Control that has 18 pages. When I click on a tab it opens the page and select a textbox on that page (txtTextbox1. Select() ). This works for the first 8 pages but not for the remaining 10 pages. Although on these pages I can mouse click on the textbox, enter info, save then click my Add button that clears the textboxes and has the code (txtTextbox1. Select() ). The textbox is selected just fine. The code for all my pages is the same except for the tab name and the control names. The tab key will move the selection to the next textbox in order on all pages and the Enter key is coded to do the same. The first 8 pages have a total of 256 labels, buttons, list boxes, textboxes and checkboxes on them.
View 10 RepliesI'm trying to make a notepad, but I can not get it to open files on start up.what i mean, example, I right click on a text file on my desktop and select open with and then my program(it opens the program with a blank textbox, it does not open the text file)I do not know the code for makin this come true
View 4 RepliesHow can I make the main form grey out/translucent black when a new form opens on top?
View 8 RepliesWhenever I want to reopen a project that I didn't worked on for several month and want to view my form in design mode I receive following error.
Warning1Method not found: 'Void System.Windows.Forms.Design.ParentControlDesigner.WndProc(System.Windows.Forms.Message ByRef)'.00
[Code]....
I used this project in VB2005 express, but also in VB2008.
i have to develop a software for motorola mc9090 that reads barcodes and rfids simultaneously, so i need to catch two different triggers: the one on the keyboard for barcodes and the other in the backside for rfids.the problem is that i didn't find any sample that illustrates how to set the trigger to read only barcodes, i found something on emdk 2.5 samples that shows how to set the trigger to read rfids but nothing for barcodes. So when i press any trigger the barcode reader is always enabled with rfids reader.Does exist a way to manage them with separated triggers?
View 1 RepliesI have a form ( call it NewForm ) that can be opened from many other forms, but I don't want to have the user to run into the problem of having many windows/forms open.I want to close the calling form and open NewForm.NewForm will prompt the user for information, but if the user doesn't find what they are looking for I want to have a "Cancel" button on the form. With the "Cancel" button I want to go to the previous form.is there a way to tell which form called NewForm so I can just reopen/unhide that form/window.
View 5 RepliesWhen I initialize a new form to open, the subroutine in the new form starts before the new form is shown on the screen and so when the subroutine finishes and the MsgBox comes up, the form isn't showing.
Is there a way to make the form pop up first before the subroutine starts?
when you login it is the meaning that another form opens. But as soon as the new form opens up everything closes. The code i used is this:
Public Class Form1
Public Goldhave As Integer
Public UserName2, Password As String
[Code].....
I am using VS 2008, Windows XP R3, and Visual Basic.When I open some forms in the form designer, (In Solution Explorer, right click on the form, then select View Designer) the form always opens as Edited. An Asterisk "*" appears after the form name in the open window tabs. If I open the form to just view the code (In Solution Explorer, right click on the form, then select View Code), the form opens normally. This happens for just some forms.
It always happens for the same forms, and never happens for the other forms. What I am missing in those forms where the designer always thinks the form has been edited?
When opening a button and opening a new form as soon as it opens it close for some reason but its not giving any errors as to why its doing this now I've checked the linked linking it to the next form that's fine.
Private Sub PrintPerscription_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Login.con.Open()
sql = "SELECT Patient.* FROM Patient where Patient.Wardno = " & Login.WardNo.ToString
da = New OleDb.OleDbDataAdapter(sql, Login.con)
noOfRows = da.Fill(dsPatient, "Patient")
[Code] .....
I have this code in my ViewProductsInventory (which is called from my MainForm by ShowDialog):
Private Sub ViewProductsInventory_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Tb_inventory_datesTableAdapter.Fill(Me.InventorySysDataSet.tb_inventory_dates)
Dim inventory_date As Date
inventory_date = Me.cboInventoryDate.Text
[Code] .....
Upon clicking the editbutton will execute EditForm.ShowDialog()
And in my EditForm the record will be updated, after which will trigger ViewProductsInventory.btnSearch_Click( ViewProductsInventory.btnSearch, EventArgs.Empty)
And then the error "Conversion from string "" to type 'Date' is not valid" occurs.
I tried Msgbox(Me.cboInventoryDate.Text) and returns nothing. I'm assuming that my cboInventoryDate is not being populated at this time therefore when btnSearch_Click is triggered it receives nothing.
I am new to these forums. I had a VB.net class several years ago and cant seem to find this info in the text from the book used in the class. Here is what I would like to do. I have a 2 forms. One with three buttons and the other with a listbox. When I click on one of the three buttons (on form1), I want to fill the listbox (on form 2) with one of three arrays. is this possible, it seems like it should be.
View 15 RepliesI have a form that opens a other form in multi threading but after that it wont close I have tried:
application.exit (Works but closes the whole app)
me.close (nothing happens)
end (nothing happens)
me.hide (nothing happens)
This form is form1 that wont close and opens form3 I every other form works.(7 forms total)
I need to create a program that requires password entry. I was thinking of having a form that the user uses to set the password that only opens once (unless a button on the main form is clicked to reset the password.) once the password has been set, the form closes and another opens to enter the password and for each and every time the program is run. Another thing is that if the password has been entered wrong 3 times, the program gives a message box and closes on the ok button.
View 7 RepliesI am trying to reference an Array when a form opens. When the code below runs I get a "Type Mismatch" error.
Dim strText0 As String
strText0 = Form_frmRVNumber.Text0.Value
Dim strRVNum() As String
[Code]....
i have a little problem in calling the button1_click event of form1 from my form2.whenever i use call form1.button1_click() it gives me an error saying argument not specified for parameter 'e'. can anyone please assist me on fixing this?
View 2 RepliesI would like to be able to fire/trigger an event when the form is no longer the top most window (ie the window that is on top of all other windows), and then close the form with me.close()
View 5 Repliesi'm trying to trigger control events from outside the form that the control is placed. The idea is test of that control.
How this can be done.
For example I'm trying this
Private Sub SendGenData(ByVal ContName As String)
Dim testControl As Control
For Each testControl In Me.Owner.Controls
[Code]....
I've been playing with VB.NET for a couple days now, and I was looking into key input controls, now I've managed to have it react to keyboard buttons being pushed inside the main form (wasn't hard), where it counts total amount of keys pushed, not what keys are pushed etc.
What I'm having a harder time is finding a way to have this same functionality even if the form isn't active (for example when minimized to the system tray). I did find a similar question on these boards, but it was regarding hotkeys and that user was just referenced to the hotkey API, which is not what I am aiming for.
I'm trying to trigger when the mouse leaves the form, but I don't want to trigger the mouseleave when its over controls; as it is doing at the moment. Can you suggest ways to keep triggering the mousehover over form while on controls? but mouseleave works still when the mouse leaves the form (not when hovering controls) ?
View 1 RepliesI have one form (FormA) that fills a combobox with data when the on-load event is trigged.In that combobox, I can select "New value" which opens another form (FormB) on top of FormA.On FormB I add the new data and saves them to a Database.Everything OK till here.I then close FormB.... and return my attention back to FormA.Now I would like to reload data into the combobox, but everyway I have tried, it will not work.
View 5 RepliesI just want to know how to close current child form and opens another? In vb.net.
View 2 RepliesI am creating a program that has many text boxes and labels on the form. I want to be able to edit fields close the program and open it up so that the form opens with the last editing I did in the fields.
View 1 RepliesI'm trying to set my software up so that when I check the checkbox for winRAR to be installed, it'll pop up a new window asking if I want to install the 32 bit version or the 64 bit version. I have no problem getting the window to show up but than if I try to exit out of the window and than uncheck the box (in case it was accidentally checked) it'll just open the window again. I am thinking I have to tell vb that when I uncheck the box it shouldn't do anything.
Here's my code.
(I know that the Nothing under the Me.chk_rar.Checked = False doesn't work but I left that blank once and it just opened a bunch of windows and crashed my system. I know it says "E:Music" right now but I just pointed it there so that there was something there normally it'll point to the other window. If I need to created a new Form for every little window that I have for instance the little window that I want to pop up, do I need to create a new form just for that little window to ask which architecture is needed and than giving the options for 32 bit or 64 bit.
Private Sub chk_rar_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chk_rar.CheckedChanged
Me.chk_rar.Checked = True
Process.Start("E:Music")
Me.chk_rar.Checked = False
Nothing
End Sub
Can Windows Form Trigger when a control has been modify or not ? I mean i have 3 panel and inside of those panel have a textbox, how am i able to find whether some of the textbox where modified in a specific panel? i.e panel 3 textbox2 has been modify i want that i have a notification that panel3 textbox were modified
View 1 RepliesFor a small project I need the possibility to "trigger" a function in a Window-form-application from a Service. So there are 2 program's. One is the visible Form application with textboxes and buttons and so on... The other is a sort of service program that runs on the Windows Service account.
Actually the second program is a command-line tool that gets fired by a PHP script from the Apache server. Because the command-line tool runs in another "environment" then the Windows-form-App, it is NOT possible to communicate (trigger) with both apps.
I know I have to use IPC (InterProcess Communication) and I have download the dozens of sample apps, but I still can't get it to work.
PLEASE can someone give me some sample code, or perhaps sample program(s) to help me out?
I think it's really easy to build what I want, but for me it's a no-go :-(
So for example it has to work like this:
PHP script (running at Apache server) runs a "console/service" app (already working) which "triggers" (via IPC) a already running Windows-Form-app (also already working app) that for example shows a MsgBox with the text in it that is sended by the "console/service" app.
how to trigger a refresh on a form when an update occurs in my business logic.
This isn't an issue for 95% of my forms because they call the update from the form that needs to be updated. However, In some cases an inner form does and update that requires an outer form to reflect this. I've read about Handles, Delegates, AddressOf etc etc and I'm drowning in options.
In simple terms, I need three things to happen
1. Form2 (inner form) has updated info, so the user clicks Save
2. Save calls my Data Access Layer and updates the database
3. Form1 (outer form) has a DataGrid that needs to be notified so it can update via a Sub LoadGrid
It's stage 3 I can't do. How do I trigger a Sub in Form2 (LoadGrid) to do the refresh from an external class.
I have two forms. The first one opens the second one after all fields are filled out successfully. The problem I am having is I want to close the first form when the second form is displayed, but every time I try using frmCustomer.Close() when the second page (Result) loads, it completely closes the entire application.What am I doing wrong? What is the correct way of doing this?
View 5 Replies