MDIParent Button Click To Display MDIChild Form?
Jun 9, 2011
I have developed a small application. It has a MDIParent form on which the other childforms are displayed. I have a Panel on the MDIParent on which there are buttons to call up the MDIChild forms. Now my issue is, when anyone of the buttons on the MDIParents form Panel are clicked, it should check if another Childform is display, if it is then it (the active childform is closed) and the new form will be displayed. This part is working fine from the code below. However, when there are no active MDIChild form on the MDIParent form and if the button is clicked, the 'Else' part of my code below is executed. This generates the error as 'Object reference not set to an instance of an object'. So what is wrong with my code below?
Private Sub btnExecutive_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExecutive.Click
Dim MDIChildForm As New frmExecutiveInfo
[Code]......
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Aug 10, 2009
I would like to display the autoscroll bar on MDIParent form when user moves MDIChild form. I set the autoscroll to false on the MDIParent form, but it does not display the scroll bar. What should i do?
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Apr 4, 2012
Looks like a dumb question, but I tried the following (where "Me" is a MDIParent form):
Dim frmNotif As New frmNotifica
With frmNotif
.MdiParent = Me
[Code].....
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Oct 31, 2011
Why is my MDIChild form not being displayed in my MDIParent form? I want to click a button on form frmStudyResultsFilter which will then display an MDIContainer form frmCalculatedResults (maximized). When frmCalculatedResults is shown I want a small dialog modal form to be in the center of frmCalculatedResults. For some reason frmCalculatedResults will not show on top. Plus I get this error"Form that is not a top-level form cannot be displayed as a modal dialog box. Remove the form from any parent form before calling ShowDialog." Here is my code:
Public Class frmStudyResultsFilter
Private Sub btnCalculated_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculated.Click
Dim frm As New frmCalculatedResults
[code]....
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May 11, 2012
I have a MDIParent form that has a bunch of child forms. When I open a child form, I can actually move the form outside the bounds of the Parent. How can I prevent this? I've set each of the Child Forms "IsMdiContainer" property to "False". What am I missing?
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Jun 22, 2010
In MDIParent, in my formload in MDIParent, one form is load. And i want the form when i click a button, there is another form will be loaded INSIDE the MDIParent?
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Jun 13, 2009
I hava a MDI app. i have a mdiChlid(say A) and others n instances of another mdichild. i wanto to this others n instances can handle an event generate in the A mdi chlid. How ca i do this??
[Code]...
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May 12, 2009
MdiChild window Snaps to edge of MdiParent window
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Mar 21, 2009
I have the follwoing code:
controller:
Code:'controllerPublic Class Controller1
Friend WithEvents btn As Button
[CODE]...
In the above code when i click the button on the form, it doesnt display the message in test(). I have to click two times to display this message. Why this happense and what can i do to fix this? both the classes are inteh same project scopecheers.
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Jun 8, 2010
I have a parent form with 2 child forms.
i iniciate both mdichildren with [code]...
when i click on form1.button1 i want to issue form2.textbox1.text=""
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Oct 24, 2011
I am using tab control in my application, i need some info for using it as i want to display the tab when the user click the specific button
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Apr 13, 2009
I'm new to VB and I'm using vb 2005 to build an application. I need to do an application that when I click on the button, the display mode will be changed. For your info, I have install clone graphics driver. So I need when I click on the button, the display will switch from clone to extended mode.
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Sep 21, 2010
As the image shows i am suposse to create a For loop to cause the display to show with the button click.
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Mar 22, 2012
i need to display the title and the price in the listview when i click the button.In the first row there is no error but if i add another record the second row of Movietitle has record but the second row of price is blank.
ListView2.Items.Add(txttitle.Text)
ListView2.Items(0).SubItems.Add(txtprice.Text)
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Jun 11, 2011
I'm trying to make a page where you enter some data in the textbox and on button click you search a database and you have a results in grid. But on button click nothing happens.
Here is my code.
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:RIL_FilijalaConnectionString %>"
SelectCommand="SELECT * from ol
And (OL.JMBG = @TextBox1) ">
<SelectParameters>
[Code] .....
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Jan 26, 2011
1. Something similarly I want with another button - when I click button2, I want to remove specific object - let say panel2, not hide it.
2. The second thing is that I want to put text from my textbox into excel, but in specific row. I would like to do that with word file as well. I would like to put text form my textbox in specific table, or row, or line. I only know to put text into a file.
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Apr 16, 2012
i want to know how click webpage button through form button i used this code
Me.WebBrowser1.Document.GetElementById("'here i dont know name").InvokeMember("click")
here is script anybody tell me in below script which one is works to click
<div class="form_botton_container">
<div class="form_orange_button">
<span class="left"></span>
[code]....
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Apr 13, 2011
I'm trying to convert input and display in a label using a calculate button click.I need to take the input from the textbox add it to data inside a label and display it in a label (output). The data has to be validated for no negative or non numeric data. [code]Nothing is being displayed in the output label and only getting label with error msg???
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Jan 16, 2010
Ok lets say i have 5 picturebox`s and 5 images, how can i randomly display the images in different pictureboxes each time i click a button ?
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Sep 16, 2009
i am asking about using the progress bar into the status bar to move when i load any child form inside the MDIParent form.
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Feb 23, 2010
In VB 2008, I have a Parent form with a combo box on it. There is a child form also with a combo box on it. I want to be able to change the values on the child form based on what the user selected from the main form. The user launches the child form from a toolbar on the Parent form. The following code is run:
[Code]...
What I want to do is if the Parent's combo box has "Red", "Blue", "Green" values and the user selects "Green", the child form's combo box(With the same values) will also change to "Green". (I do not need to change the Parent form if the child form changes.) I've tried changing the Child's combobox from the combobox's change event on the Parent form, and the code runs, but nothing changes on the child form.
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Feb 15, 2011
I am developing a small application using VS2008, the mdiparent has a expandable panel with Button 1 and Button 2 on it, which opens up child form 1 and child form 2. ( The two child forms are maximized within the mdiparent form)
The problem is, button 1 opens child form 1 and button 2 - child form 2. I cant open the two forms randomly. I have to close the topmost form to access the other forms below it and vice versa.
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Sep 3, 2010
I am at a stand still on this one. I know how to connect and add to the database, I just don't know how to retrieve the information so that a user can see it! If anyone could help me with code or another example.
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Apr 7, 2011
I have a program developed in VB.NET (2008) which consists of a MDI form and several child forms. It worked like a normal mdi application whereby mdi form acted like a container for child forms and things worked out okay. Code like Me.Mdichildren or Me.ActiveMdiChild etc could be used to get list of child forms and perform other actions.Now what happened is I needed to implement a tabbed system. There will be multiple tabs and forms would be in those tabs. So I added a Tab control in mdi form and now new forms are added to selected tab page. This way muliple tab pages can host forms and there is no need to see all childforms at once.
But a problem has come up. I do say ChildForm.MdiParent = Me (as before) but then I say TabPage1.Controls.Add(ChildForm).Doing so functions like getting list of mdi children or me.activemdichild or auto arrange options like Cascade,Tile Horizontal, Vertical etc are not working. This will be a major problem for me.
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Jul 18, 2009
[code] Actually,I m doing notepad application,my problem is when ever click the form maximize button automatically form is resized .. same like that my richtextbox control also maximized. this is the my scenario.
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Jan 7, 2009
how can I check(with code) if an mdichild form is already opened or not. I have some mdichildforms that may open together. If an mdichild form is opened I want to dislpay the already opened form and not a new one.
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Jan 27, 2012
I placed a button on my form that measured 59mm in width (approx 2.25 inches for any Americans).When you run the project as you'd expect it still measures 59mm.However when I set the form as a child to my MDIParent and run the project the button now measures 67mm (well over 2.5 inches) an increase of 13.5%.Is this a bug or do I need to just change some setting somewhere?
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May 24, 2012
I`m developing a desktop application using Visual Studio 2005 and a vb.net code.I`m using one MDIParent form 'frmMDI' and about 20 Child Forms. In the frmMDI there is a MainMenuStrip that contains 20 ToolStripMenuItems each one used to load a corresponding child form through this [code]So, that code is responsible to load a child form. Now what I`m facing after the loading of the child form is that the behavior of the controls of that child form is not so normal. you can`t set the cursor to the end of the text in a textbox.
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Aug 22, 2009
Has anyone had any luck with having different window states with multiple open child forms?for example if you have a single child form opened and say it is maximized.then open a second child form as normal, the first form will then be set to normal.all the open child forms will mimic the newly opened forms state.and i believe they will mimic when making some changes to one forms state.the others will follow.i have not had luck keeping this from happening in most situations.
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Dec 14, 2010
having different window states with multiple open child forms? for example if you have a single child form opened and say it is maximized. then open a second child form as normal, the first form will then be set to normal. all the open child forms will mimic the newly opened forms state. and i believe they will mimic when making some changes to one forms state. the others will follow.
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