Panel's Visible Property Won't Change From 'False' To 'True'
Mar 25, 2012
I am stumped on this one. I have a panel (pnlKeyPad) that won't change the visible property when I try to set it to True. But when I try to set the Dock Property to DockStyle.Fill it succeeds. I have tried them in different orders, setting the parent property to the splitpanel and nothing seems to fix it. The panel is on a splitpanel that is visible. The panel is set to visible = false by default.
Any ideas of why this panel won't switch to visible when I specifically set it to visible?[code]...
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Aug 11, 2011
I know how to turn a control's visible property to true or false, the only thing I don't know is: If I have, for instance, 40 group boxes in which only one is visible, when I click on a button, the first group box visible = false and the second group box visible = true, and when I click on it again, the second group box visible = false and the third group box visible = true, and so on I don't want to write the codes for every controls, since it will be quite time consuming, I want to use fewer codes to achieve this objective,
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Sep 11, 2009
I use lots of panels to hide controls and display groups of controls.
If sender Is BDVActive Or sender Is BDVCompleted Then
BDVCases.Visible = True
BDVCases.BringToFront()
[Code]...
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Jun 28, 2010
I 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]....
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Aug 25, 2010
I have set the panel on visible as false, so it would not show up when I run the form. I am trying to set the visible as true when I enter my mouse on panel location, but it doesn't show anything....
Private Sub Panel1_Enter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Panel1.Enter
Panel1.Visible = True
End Sub
How to set the panel visible as true when I enter my mouse on panel location while the visible are false?
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Mar 14, 2012
In Form1 I have a SplitContainer with Panels.In SplitContainer1.Panel2 i have a Form2 (Inherit) and a GroupBox1.
[code]...
When i Start the Application, Form1 Appear with 2 Panels. In SplitContainer1.Panel1 is the Button1 and in SplitContainer1.Panel2 is not visible the GroupBox1.I press the Button1 and nothing happen. Why? How can i make visible the GroupBox1 by Button1?
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Mar 10, 2009
In VB6, you can set the Default property of a command button to True / False, and when you push the enter key, it will click the button for you.
What property is this in VBNet / C#?
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Sep 17, 2011
Can someone clarify if there is ever a need for the below?
When setting a textbox "Visible" property to False is there any reason why I should also set the "Enabled" property to false.
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Mar 21, 2011
Having an issue with my data gridview. I've set the visible property of the ID column to false, and in the designer the column is hidden, yet it still shows up when i run it. Now if i set it to True it shows the column twice.
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Jan 6, 2011
how to retrieve the selected row cell value if it is visible property is false in gridview ?
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Jun 4, 2011
I have created an Unbound DataGridView. It has has 4 Columns Name, Last Name, Picture, CheckBox. I would like to do change the checkbox's enabled state true or false (editable or not) at the time I add the row
Not its checked state :) and would also like to change image that is placed in the Image column cell during the add row.
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Apr 1, 2010
VB GridView control will not allow code in the vb code file to access a data column that has its visible property set to false. When it is set to true, the data column can be accessed with no problem. Any suggestions as to how to correct this? I have looked through the documentation, text books, and I have not found anything that gave me any clue as to what the problem could be. I thought that the property was just applied to the column, not that it would remove the column from being accessible.
[Code]...
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Jan 28, 2009
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!
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Jul 15, 2010
I wanted to create my own type that acts like the Boolean type, except I wanted to use Yes and No instead of True and False.I kind of got close but it wasnt exactly what i was going for here's what i have:
[code]...
so i have to use an integer when i dim it like:dim b as MyBool = 1 then when you look at it in the watch window b = {Yes} so i could settle for that, but with a boolean you can do this:dim b as Boolean without setting it to anything it defaults to False mine however, is Nothing. 2 things: 1. How can i get mine to default to No 2. How can i make it work like this: dim b as MyBool = Yes instead of having to use the integer this is not a requirement for anything I just wanted to know how to do it
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Feb 20, 2011
The expression 3>6 AndAlso 7>4 evaluates to
A. True B. False
The expression 4>6 OrElse 10<2*6 evaluates to
A. True B. False
The expression 7>=3+4 OrElse 6<4 AndAlso 2<5 evaluates to
A. True B. False
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Jan 18, 2010
I'm pretty new to Vb so I'm not sure of all the correct terminology etc.
Private Sub Add_mousedown(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Add.MouseDown
Dim Addition As Boolean
[code].....
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Sep 18, 2010
I am writing the code in the class to create the strings. I want the value to returns as true if the strings in the class are matched with two numbers or more, but if the if the strings in the class are not matched with first two numbers or not then returns the value as false.[code]....
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Nov 9, 2009
I have a group box set as false but when I click on radiobutton3 i want it to show at the bottom:
if radiobuttion3.checked the
radiobutton4.enabled = true
end if
but this doesn't show up my second group box when the program is running.
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Nov 9, 2009
I have a Group Box Set as false but when i click one Button I want it to Show as True so i have [code] But is not Showing up when i run the program, is this the right code?
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Dec 4, 2010
Simple question, I have an application and dependant on whether you are in the administration system or on the public website I want to show different results. Example: in the database for a news story in the administration I may set the column value 'showonsite' to false. So I would like this to show in the administration panel only and not on the live site.
My question is, because I require the same information just with the only one column change, live site to only show true values and administration to show both. What is the most effective way of achieving this without copy paste of code?
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Jun 9, 2009
In C# and Vb.net,is any way without iterating by loop a bitarray to check contins any true or false value (Dotnet 2.0) ?
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Aug 4, 2011
I'm trying to check if a bit retrieved from database is true or false but i have always the error IndexOutOfRangeException no matter how i get the value.
[Code]...
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Oct 10, 2009
I am trying to get true false statements to work. Each statement has its own msgbox and if true adds 1 to x. At the end i use a case function which will give the final number of x and give it a value in a textbox. What is happening instead is, if I click "no" on every Yes/No question, I get a 4. If I click "yes" on every Yes/No, I still get a 4. For car 3, 4, and 6 I want a "no" to be true. For 1,2,5,7 I want yes to be true.
HTML Code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClick.Click
Dim x As Integer
[Code]......
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Mar 10, 2010
i am having problem with the intellisense. i have created a boolean variable and when i try to assign value why does is shows all the members instead of false and true. Again when i try to set the height the intellisense pops up again.
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Oct 15, 2011
I am new to programming.I am making a coin tossing program for class.It is telling me I need to create a separate method that doesn't take any arguments and only returns false for tails and true heads.Not sure if a function or a sub returns only that type of data. Also once the code is returned I can then add that to a CONST to keep a running total.If the method only returns true or false do I need to put the code in buttonclick sub to post the image of the coin in the picturebox using a if then statement? Would I also need to add the code for the print out of the statistics after the if then statement? Not asking for code just a step in the right direction.
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Jul 21, 2011
Here the code to load the records in data grid when form loads
01
Private Sub BindData()
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Feb 8, 2010
I have tried and successfully ran the code in this thread.>>I have just been thinking about an extension method for a STRING so you couldtypesomeStringHere.IsInMicrosoftWordDictionaryand it would return TRUE or FALSEwith an overloaded version where you could optionally specify the language.Is it possibly to query the dictionary in MS Word in such a fashion? If so, how please?This may lead to me creating a word based game, it is not hangman but a word search game,ut with a twist on word search puzzles. I'm not going to give the idea away.This is what I have so far. The MODULE code for the extensions.>>
Option Strict On
Imports System.Runtime.CompilerServices
Module MyExtensions
[code].....
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Sep 12, 2011
Can I validate a texbox to have only True or false? You should enter True or false in the textbox.
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Feb 17, 2010
Sub pageload() Handles Me.Load
Dim bom As New List(Of Car)
Dim car1 As New Car With {.Name = "Pea", .Year = 2}[cod
WHY??? I mean the object has the exactly same data, so why does itee]..... say it is not contained?
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Jan 21, 2011
How come both intellisense and compiler accepts If 3 = True Then ... in VB.NET? Even with option strict on.Does it in actuality treat Booleans as Integers, or what's the deal?
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