Error On Form With Dropdown Menuitem
Apr 27, 2011
I have used the last month to convert my geneology program from vb6 to vb 2010.All form work as they should, but one form with 3 dropdown menu and a tree for 15 persons and each persons field used to show a new form, where its posible to select some more functions. It possible to se the form on. The tree functions works as they should. Its possible to jump between trees, but if I choose any of the other functions on the form the function is excuted but then I got an error.url...
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Feb 7, 2012
All form work as they should, but one form with 3 dropdown menu and a tree for 15 persons and each persons field used to show a new form, where its posible to select some morefunctions. It possible to se the form onThe tree functions works as they should. Its possible to jump between trees, but if I choose any of the other functions on the form the function is excuted but then I got an error.
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Apr 7, 2010
I have to write an application that consists of mainly one main form, but several different things I wanna display. Pretty standard I guess. So there is a menu, some controls, and the main stuff below (ranging form graphs, tables, dropdown boxes, print preview, etc). I would like to use it like one would use frames in html, design an object that is limited to a box or panel that I define. The literature I have does not give me a clear idea of how to do this (yet). The most obvious seem to be the use of MDI, open a predefined form with no borders, maximize it before showing and remove all minimize/maximize options. But that does not work so well. The form inside the MDI parent does not fit the size that is given for it when it is loaded. e.g.
[CODE]:......................
So my main question is: Is MDI the way to go here at all or are there better/easyer ways to achieve this? If MDI is the way to go, how do I sucessfully restrict a child form inside another object, without giving the user any opportunity to resize (i noticed that I have minnimize/maximize/close buttons, even if I disable them on the child forms themselves)
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Jun 10, 2009
I am getting the following error while i submit a form after i added a dropdown box in my designer
System.NullReferenceException: Object reference not set to an instance of an object. at WebApplication1._Default.collectEmailBodyText() in C:v1.5_production_05June09Default.aspx.vb:line 219
Below is the extra two lines that i added in collectEmailBodyText()
tempPanelDropDownBox = DirectCast(form1.FindControl(("txt_" & panelUsed & "_ddinput") + counter.ToString()), DropDownList)
tempCollector = tempCollector + ": " + tempPanelDropDownBox.SelectedItem.Text
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Sep 3, 2009
I have a list of servers in the first dropdown. I want to get list of all databases in the second dropdown depending on the server selected in the first dropdown.
For this I need to query each server while selecting the server.
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Dec 10, 2011
How I can get the attributes of the <menuitem> tag?
becuse GetElementsByTagName() and GetAttribute do not work .
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Apr 19, 2008
My goal is to populate a ComboBox list when the user clicks it but if the form is not valid I want to capture the event and cancel it so the drop-down doesn't appear (if it's empty).[code]...
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Mar 3, 2012
im wanting to fill a website form in using a application im making.
The application will use the values from some text boxes i will be filling in. The problem isnt about filling textboxes in on the site its the setting the value of a drop down box. here is the code im using:
WebAsos.Document.GetElementById("txtFirstName").SetAttribute("Value", txtFirst.Text)
WebAsos.Document.GetElementById("txtLastName").SetAttribute("Value", txtLast.Text)
[Code]....
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Jun 16, 2011
Using the following code
ControlCommand("Test Form", "", "[NAME:ctlMsgQueueCombo]", "ShowDropDown")
ControlSend("Test Form", "", "[NAME:ctlMsgQueueCombo]", "This is my default value (TEST) - First")
or
ControlCommand("Test Form", "", "[NAME:ctlMsgQueueCombo]", "ShowDropDown")
ControlSend("Test Form", "", "[NAME:ctlMsgQueueCombo]", "select", "This is my default value (TEST) - First")
It selects the combo box but not selecting the desired "this is my default value (TEST) - First" from the list. Basically what it is doing is selecting any value that starts with t . e.g first value is "TMP". So instead of exactly matching it is selecting any first character match.how to force it to select the exact string from list.Also tried using the following code but nothing seems to work
WinWaitActive($title)
$Index = _GUICtrlComboBoxEx_FindStringExact($hcombo, $sText)
_GUICtrlComboBoxEx_SetCurSel($hcombo, $Index)[code].....
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Dec 15, 2011
I have a context menu on my DataTemplete for a list box, and that menu will contain links to Favourite and Retweet the tweet (the menu item) But I don't know how to get the information about the Tweet in code. I am trying the following Line:
[Code]...
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Nov 9, 2009
what code do i add to the following so i can receive an event when one of the menu items is clicked on
Dim menuItems() As MenuItem = New MenuItem() _
{New MenuItem("Make Multi Bay"), _
New MenuItem("-"),
[code]......
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May 11, 2011
show me how to add 2 shortcut key for 1 menuitem.
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Jan 15, 2012
I have been trying to change the highlight color when the mouse gets on it of the stripmenu..
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Feb 23, 2009
Is there any way to create a custom shortcut (one that is not there in the Windows.Forms.Shortcut enumeration) and attach it to a MenuItem. Example I want Ctrl+'+' to be a shortcut for a menuitem. Its not there in the enumeration.
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Feb 24, 2012
I would like to replace the checkboxes on some of my menuitems with radio buttons so they act mutually exclusive of each other like in device manager. I found a bit of code in the Visual Studio Help that shows how to do this, but I am unsure how to implement the changes. how you access a form's constructor event from within Visual Studio 2010? The code follows:
' This method is called from the constructor of the form to set up the menu
' items.
Public Sub ConfigureMyMenus()
[Code].....
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Aug 21, 2009
I am building a program which will add items to a menu and launch the appropriate application by clicking the menu item I have added. I have linked to a data file and retrieved the ApplicationID, ApplicationName and ApplicationLink, the later being the location of the EXE file on the selected computer.I believe I can create an EventHandler on the fly to hold the link for each application[code].....
The above will add the Name to the menu, but I can't seem to SHELL the ApplicationLink.
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Jun 17, 2009
I want to show the contextMenu on MenuItem right click....AS IE favorites....I m able to show the contextMenu when i right click on menu..But the Probs is dat when i right click..Context menu is showing & menu is hidding.......Y so ..I want that when we right clikc on menu..Menu is not hidden..How to do dat..
Private Sub MenuAddToFavorites_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MenuAddToFavorites.MouseDown
If e.Button = Windows.Forms.MouseButtons.Right Then
ContextMenuFavorites.Show(DirectCast(sender, ToolStripMenuItem).GetCurrentParent.PointToScreen(e.Location))
End If
End Sub
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May 16, 2010
I have a custom control of type MyListControl with a Property called NotifiedList. I would like that when selecting that property in the Property Grid at runtime, that a dropdown list is populated with all the instances of type MyListControl that shared the same container as the original control.
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Feb 9, 2010
q1/ how can i add a menuitem to ie edit control context menu? is it a registry setting? q2/ after i've added a menuitem to ie edit control context menus, how can i programmatically edit the text in that edit control when i click my menuitem?
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Apr 12, 2010
I have an application written in VB.net, compiled and loaded on machines running XP, Vista and Server 2003. When I loaded it on a machine running Windows 7 64 bit, the application runs fine, but one window that has MenuItem controls does not work properly, instead of being able to change items from the collection, that area is just greyed. I loaded the .NET 4.0 framework on it in hopes of some miracle, but it still does not work.
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Jun 27, 2009
I drag menu strip on the form..Now I add two menu items...I want that when the user right click on Item1, ContextMenuStrip1 should be shown.
Sir with your code,Contextmenu is shown,when i right click on toolstip..
I have tried the foll. Code
Code: Private Sub Item1ToolStripMenuItem_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Item1ToolStripMenuItem.MouseUp ContextMenuStrip1.Show(DirectCast(sender, ToolStripMenuItem).GetCurrentParent.PointToScreen(e.Location)) End Sub
But the probs is that when i right click on Item1ToolStripMenuItem(drop down menu),context menu is shown...but drop down menu is diappeared,I dont want the drop down menu to be disappeared..
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Jun 17, 2009
I want to show the contextMenu on MenuItem right click....AS IE favorites....I m able to show the contextMenu when i right click on menu..But the Probs is dat when i right click..Context menu is showing & menu is hidding.......Y so ..I want that when we right clikc on menu..Menu is not hidden..How to do dat..
Code:
Private Sub MenuAddToFavorites_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MenuAddToFavorites.MouseDown
If e.Button = Windows.Forms.MouseButtons.Right Then
[code]...
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Apr 13, 2010
is there a simpler way to make the clicked context menuitem checked? Because e.clickeditem has no checked property.[code]
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May 5, 2011
I am making a change to some code written in vb.net, its a winforms app. The menuitem uses the System.Windows.Forms.MenuItem control. I need to display the values in that drop down menu into 2 columns. It displays a number of items and therefore is too long.I wish to display the items side but side in 2 columns. In C# you can use ToolStripMenuItem which allows you to display multiple columns. Even though ToolStripMenuItem is available in Vb.net its difficult for me in the current app to switch to that tool.
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Aug 7, 2009
I added a few items in the combobox dropdown list at the form load event. [code] At the runtime I dont want to allow the user to write something in the combobox as a text.The user can only select an item from the dropdown list of the combobox.
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Jun 18, 2009
I want to show contextMenu on Menu Item Right click..But probs is dat when i right click on menu Item,Context Menu is popping up..But menu disapper..I want that menu should not be disappered...
See in Attachment
Private Sub MenuAddToFavorites_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MenuAddToFavorites.MouseDown
If e.Button = Windows.Forms.MouseButtons.Right Then
[Code].....
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Aug 29, 2009
This is the code that i did to fetch data from the database and filling it to the combobox dropdown list at the form load event:
[Code]....
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Aug 11, 2009
I have a project that reference from leadtools 16.5, and after that, i want to run my project..i see am error like it " An error occurred creating the form. See Exception.InnerException for details. The error is: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. im using vb 2008 pro
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Sep 21, 2010
My FIRST DAY using VS2010, vb.net winforms. I add a form to my project, add a listbox to the form click the Listbox Tasks button click the Use Databound Items checkbox click the Data Source dropdown get an error: "error using the dropdown: Object reference not set to an instance of an object" I had to close Visual Studio and open it again before I could create a simple databound listbox. Every time a new version of VS is released, I hope it will be more stable, but its not. Just more features.
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Jun 2, 2011
I got a serious problem. Though I have made my program newly it shows error. I have used 1280,1024 animation only for first form then used 1280,1024 image for every form. Today I was checking then it was showing me error message for 19th & 20th form. If I use On Error Resume Next then it shows error for another form ; if I use same code there in the menu item I mean so that I can get rid of error when I click to show a form it shows another error. First error message is "InvalidOperationException was unhandeled An error occurred creating the form. See Exception.InnerException for details. The error is parameter is not valid." and second error is "OutofMemoryException was unhandled Exception of type 'System.OutOfMemoryException' was thrown". I have noticed it that it doesnt show error message for those form which have few labels and text boxes. It shows error message for those forms which have 1 menu bar, 2 picture boxes(one is 1280,1024 & another is 250,456), 2 group boxes, 40 labels, 3 combo boxes, 38 text boxes & three buttons. Please help me I need to get rid of this problem. Does it mean that I cant use unlimited control there in my form?
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