Forms :: Visible Textbox After A While?
Sep 6, 2011i need to make a textbox in my windowsform after 3 seconds.
View 3 Repliesi need to make a textbox in my windowsform after 3 seconds.
View 3 RepliesI'm having an odd problem when making a form visible and not visible and it not continuing to function. Here is what I have happening. I have a main form (frmMain) that is an MDIParent. On this form I have a menu to open a second form (frmCalculate) and populate a listview from Items in the database.
As I click or select items in the listview on frmCalculate the tag is read and data is pulled based on the id stored in that tag and fills in various fields on the form. This works great. However, I also have a context menu attached to the listview that allows me to perform a "what if" scenerio on the items I am calculating. When I select this menu, I hide the frmCalculate and open the frmWhatIf form where I can mess around with values on the item I had hilighted in the listview on frmCalculate. Nothing is pulled from or written back to the database here, all the information is filled in from fields on frmCalculate. It just allows me to look at rising costs and how they will affect my margins.... anyway.
If I then close frmWhatIf, it brings my frmCalculate back by setting its visible propery to true (never closed frmCalculate, just hid it). At this point if I click an item in the listview I get an exception for a null reference. IF however I never hide frmCalculate, I can open and close frmWhatIF without ever having an issue. Why do I lose the functionality to select items just by hiding and unhiding the form? As a test I added two menus to the toolbar on frmMain one called hide and one called show. I then opened frmCalculate with original menu item to populate the listview and selected a few items to test that it was working and then using the hide menu I made the form invisible and the show button to bring it back. This yielded the same exception so without even opening frmWhatIf the problem still occurs.
i am using a method in form1 same method i want to use in form2 . I tried the public and private keyword but nothing happens.
View 8 Repliescan anyone tell me how to set groupboxes to visible one by one on one forms if that form contains 10 groupboxes....
View 13 RepliesDoes a textbox have to be visible = true to get it contents in code? I am finding that if I make a textbox visible = false then there is no value there when I reference it in my code. I am using the Text property. Am I doing something wrong or does the textbox just have to be visible?
View 7 RepliesI have a form (Form1 class) which has got a "next" button (like we have setup wizards) which shud take me to other form. Now that other form has two buttons , next and back , and it shud take me to the previous and the next form. And I want to preserve the states of each form. What I did was that I instantiated the Form2 class in the click event of the next button : [code]That does the job of showing the second form . In the click event (of the back button) handler of the second form , I have the following [code]Now , when I press the back button , the program hangs. And nothing happens. how to hide/show forms with .NET. In VB6 it's quite easy using Show/Hide methods.
View 6 RepliesI have a CheckedListBox with 6 different indices that all correspond to a textBox. For example: Index 0 corresponds with TextBox1, Index 1 corresponds with TextBox2, and so forth. When the user selects the item in the CheckedListBox, the TextBox with that particular index becomes visible. I am at a loss. I have been working on this for 4 days now, with no end in sight!
CODE:
How can I read a textbox.text value when the textbox is not visible. This is a textbox that has been pulled on the form from a dataset. When it is visible it is fine. When I make the textbox.visible = False it no longer reads that value.
View 15 RepliesI am starting to debudg my application in depth, and have realised that at certian points, if you close what appears to be the only open form, the application stays open. I was just wondering if there exists somewhere, a list of all open forms that you can view during debugging?Alternatively, is there a quick piece of code to close all non visible forms?
For Each frm In Application.OpenForms
frm.Close()
Next
Doesn't seem to work
i use a picture control in mdi form .. but when i load child froms then mdi form picture are also show in front of child form...
View 7 RepliesI was trying back yesterday to count the visible lines in a textbox, which is multiline, and found this article: [URL] but... it didn't work... The code worked fine, but sometimes it returned like, 5 or 4, when I counted the visible lines, and there was 2.. If you know what's wrong/have any answer for this it would be nice :)
View 9 RepliesHow to make the textbox's border set to visible in a datagridview?[code]...
View 2 RepliesI'm trying to make a code that say's: when the mouse is in the area of the toolbox1 then the toolbox1 becomes visible when it leaves, it becomes invisible.
View 4 RepliesI have a couple of textboxes whose databinding's text is set and also readonly is true and visible is false. but when I try to read their values they are all null unless I turn their visibilty to true. The same method is also needed to add a new row to the table (when using bindingsource1.addnew()).
View 9 RepliesOkay, so I'm doing a card game and I'm trying to set that when picturebox (PictureBox1) is clicked, a random card from 13 cards will come visible. Problem is, that when i start the program and click the picturebox, the same card will always come visible. As you can see i've put a button (Button1) which will hide every card. If I press Button2, then Button1 and then the PictureBox1 it will show differend card, but the cards which come visible are always the same.
e.g i press PictureBox1 (which will make card visible), then Button1 (which will make PictureBox1 non-enabled) and then Button2 (which will hide every card and make PictureBox1 pressable). Lets say i pressed the PictureBox1 four times and i got cards: 9, 6, 7, 3, then I close the program, start it again and press PictureBox1 again 4 times and it will show the same cards (9, 6, 7, 3). How can this be done that it will not show the same cards always?
Here's my code...
Public Class Form1
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
End
[CODE]....
I've got a panel - that's in a group box. All of this - with lots of other textboxes on labels - is in another panel (the big panel).I make the big panel visible and not visible based on selections made by the user.This small panel - that's in the group box. I cannot seem to make it appear.Even if I leave it VISIBLE at design time - the objects in it will not appear.Is there some kind of nesting problem that I'm not aware of!
View 9 RepliesI have five menu items that i have created as a user control and placed on the master page. Now i want one of the menu items to be visible only for particular user role and not visible for others. Here is what I did. Its not working though.
[Code]...
Im trying to make a program that allows the user to view additional information via moving the cursor over the label to view (make visble) additional information, in the form of text boxes and/or picture boxes. How will i go about doing this?
View 6 RepliesUsing Visual Basic 2008 Express. I need to pass a variable to another form. Or else make the variable visible to both forms.
View 4 RepliesI have placed several PictureBox Images of different colored dots(which represent lights) on an image of a Christmas Tree. I can make the lights randomly flash using a randomGenerator and a Select case statement. However, the code is very long. There are 67 lights on this tree and the code is 71 pages long. There has to be an easier way to do this. So far I have tried the following with two images of lights just to see if it would work and it does not work:
Dim picLight(2) As
Boolean
For intX
[code]....
I have a form where a number of textboxes are programmatically created within a flowLayoutPanel and named by adding together 2 strings.
With the click of another button i hope to have all the values entered into these text boxes stored in a text file. However, i cant seem to find a way to add strings together to allow me to retrieve the values entered within the text boxes created.
Below is the code i have so far: BTW FLP is my flow layout panel and c is my calculated nmber of textboxes that are created.
Private Sub createTB(ByVal c As Integer)
Dim x1 As Integer = 1
Dim y As Integer = 2
[Code]....
I create an app, with it when I click a button it opens a new form on a second monitor.
This works perfectly, but every first time the app start and I open the second form, on my primary screen (right side) I see the border of the second form. When I click the button again, the form is hidden, and when I click it again, it appears again but then the border is gone.
[Code]....
"TEXTBOX is not a member of SYSTEM.WINDOWS.FORMS.TEXTBOX"
Why it is that the text boxes have errors like this even they are in the tax forms..
Label13.Text = sss.Text - philhealth.Text - pagibig.Text
Label18.Text = semiSalary.Text - Label13.Text
[CODE]...
I use the code
Dim Selvk As New Selvkost2
Selvk.PassedText = TextBox29.Text
Selvk.Show()
[code]....
in my second form and the text passes. but I need to pass values from 20 textboxes. do I have to copy the code in my second form 20 times an declare passedtext2 and so on or is there an easier way to do this?
I am creatting an windows application software in which many controls like Buttons, textBox, combobox are remain same in 12 different form. In this 12 diff form the activity of those controls will remain same.The scenareo id
1. I have 12 forms.
2. Each form containing 3 labels (Country, State, City). These labels indicates 3 combobox from which we can select location.
3. Now I need to use these 3 controls in all 12 forms with same activity.
4. When I change forms to another, these buttons shud remain same.
I will try to explain what i want to do.I have make 3 textbox in form1 And i have a form2 where i have a Textbox ( Multiline )What i want i want to have the text from the 3 textbox to my textbox in form2.
textboxt1.text = tennis
textboxt2.text = boys
textboxt3.text = 01-01-2011
[Code]...
Below is the exception code info. when I try to make form visible for the first time from another form then I get an exception code. something like 'a required variable not set'
Quote:
CODE:
I have a textbox on form1, how can i get that textbox to display the same information on form2 automatically?
form2.textbox1.box = form1.textbox1.box
I have a form with many textboxes. I would like to disable the operation of user interaction with 2 or more textboxes but i would like to assign some text to it. I cannot figure it out a way to do it ...
I have the following code:
If tablead.Rows(0)(4) = True Then
TextBox2.Text = "0"
TextBox2.ReadOnly = True
TextBox2.Text = "0"
End If
When i run it the textbox goes "read-only" but the value 0 is not shown. Why ?
I have a form with many textboxes. I would like to disable the operation of user interaction with 2 or more textboxes but i would like to assign some text to it. I cannot figure it out a way to do it ...
I have the following code:
If tablead.Rows(0)(4) = True Then
TextBox2.Text = "0"
TextBox2.ReadOnly = True
[Code]....
When i run it the textbox goes "read-only" but the value 0 is not shown.