Desktop App / DataGridView And ComboBoxCell
Mar 22, 2010
I've been programming for a while now and I have a Datagridview which is databound. It pulls up a list of my line items and that works fine. So I have:
OrderID, OrderType, OrderNumber, OrderDescription
Anyhow... these fields all come from the OrderDetails table. I have another table, AllOrders, where one OrderID can have multiple OrderNumbers.
What I need to do is:
1.) The OrderNumber column should be a dropdown list of all OrderNumbers from the AllOrders table where the OrderID matches.
2.) This column should also let users manually type in a value and it saves it to the list.
3.) When the user clicks a save button on the form I need to be able to reference the values from each row to save the selected value to the OrderDetails table.
I thought this would be something rather simple... and I've been pulling my hair out for days. Sometimes I can get the dropdown to load the OrderNumbers correctly, but I can't add one. I can get a ComboBox cell where I can add a value to the list, but I can't load the existing OrderNumbers, etc.
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Dec 28, 2011
I have a Windows Forms DataGrid currently filled with text.What I want to do is have a ComboBox appear in a cell when the user enters it.After the user has chosen their item from the ComboBox list I want the ComboBox to be removed leaving just their selection as text in the DataGrid, when they leave the cell.
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Nov 20, 2009
As part of a user interface I'm designing, I'd like the user to encounter the following: when the user wants to edit a value in a cell, the cell in the DataGridView is replaced by a DataGridViewComboBoxCell. This is working now, however, when the user enters the cell (edit cell) the edit cursor stays there, and the combobox won't show. When the user leaves the cell, the Combobox shows, and after again entering the cell and clicking on the combobox, the dropdown finally shows. So 6 clicks are necessary, and I'd like to reduce this to a maximum of two clicks.
Using VB.Net on Visual Studio 2008, with .net 3.5
This is my code:
Public Class Functions:
Public Sub ComboBox(ByVal source As System.Windows.Forms.BindingSource, ByVal MainView As System.Windows.Forms.DataGridView, ByVal valuemember As String, ByVal displaymember As String, ByVal row As Integer, ByVal column As Integer)
[Code]....
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Jun 21, 2010
I have a DataGridView with two columns defined like:
Dim col As New DataGridViewColumn
col.DefaultCellStyle.BackColor = Color.FromArgb(&HFF)
col.Name = "Description"
[code].....
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Mar 9, 2011
I am using vb.net 2010 and winforms and DataGridView. The DataGridView has a DataGridViewComboBox column. When I show the form with the DGV it shows this and empty grid but the column that contains the ComboBox shows the first item on the dropdown list. How can I have the ComboBox display nothing until it is clicked on and selected?
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Apr 27, 2006
when i click on a comboboxcell in a datagridview, the background turns black . . .
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Dec 12, 2011
i have two DataGridViewComboBoxColumn that i add at run time i need the items of the first DataGridViewComboBoxColumn to stay the same in all the rows of the gridview but i want the items of the second DataGridViewComboBoxColumn to be different from row to the other depending on the selected item of the first DataGridViewComboBoxColumn
I HAVE SUB TO PUBULTAE DATATABLE AND SET THIS DATATABLE TO COMBO DATATSOURCE.I NEED PUBULTE COMBO 2 VALUE BY PARAMETER FROM COMBO 1 TO PASS THIS PARAMETER TO STPRED PROCEDURE AND RETURN DATATABLE SURCE FOR COMBO 2
HOW FILL COM 2 PER ROW Dim ID As String = COMBOBOX1.VALUE dt = DB.returnDataTable("SP_UNITS_NAME", ID)
HOW BIND DT TO COMBOBOX 2 FOR EACH ROW IN DATAGRID
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Sep 4, 2009
I'm not sure how I can trigger the button in the datagridview ?? it is quite different from the gridview in web development application.
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Jun 11, 2012
We have a Windows Forms VB.NET application running on Windows Server 2008. Users access this app using Remote desktop.The app displays information in Excel, but Excel opens on the server.Is there a way for the .NET app to launch Excel on the users local desktop?
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Sep 5, 2011
Some of u already know I'm making a 'virtual desktop'- thing.Only one problem. When switching to a new desktop it starts a new instance of my app in that desktop (works) and on the form load event it says process.start("explorer.exe") <- here is the problem. It only shows a window not the actually bar.Also this may be important it shows the window, but when I navigate to explorer.exe 'C:Windowsexplorer.exe' and open it there. The explorer bar does show up.
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May 17, 2009
I'm working on one of my applications and I'm trying to find a way to use the "Go To Desktop" function that goes directly to the desktop without minimizing any window (This can be achieved by clicking on the Win + D buttons or on the desktop icon in the quick launch toolbar), but how can I activate it using vb? I thought about sending keys but I guess there is more offical ways to do it.
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Mar 20, 2010
I would like to make a image in the form representing the icon and a label below it to represent name but is there a easy way to do this.
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Jan 27, 2012
Environment.GetFolderPath(Environment.SpecialFolder.Desktop)The main reason is we area talking about an Environment that has XP, Win Server 2003 (TS), Win Server 2008 and Win 7. Obviously different path depending on the OS. I need to copy a file to a users desktop and would like to do so without having to hardcode the path as it could change depending on where they are working from.
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Jun 9, 2011
Being new to vb.net, how do i get a exec mod for the desktop ??
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Sep 30, 2009
[code]This works just fine in ASP.NET (web app) but, how do i do the same from Desktop Aplication (vb.net) ?
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Sep 30, 2009
im making a program which is a sort of mock OS, and im wondering if it is possible that, when i click a certain button, a picture box appears in the space which is the desktop. The picture box must act as a shortcut, for example if i click on new text file, a picture box with a text file picture appears on the desktop space, same for folders
[Code]....
you check the tutorials that you post! I am using Visual Basic 2008 Express, not any earlier additions! One of the tutorials was about how to make labels that tell you their screen location!
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Oct 9, 2009
I want to move a file from the users desktop to the running applications folder.This is what i have which works for me - but the desktop path will be different for each user so am looking for the system path
Dim FileToMove As String
Dim MoveLocation As String
FileToMove = "c:usersmedesktop est.txt"
[code]...
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Apr 11, 2010
how to POST to a php file form a vb.net app: http:[url].... So now I've logged in the user user by posting their username and password to the php file, the php file then does security/checks they exist/etc and if both username and password are correct is stores the user ID in a session variable.Now if the vb.net app tries to download data off a page which needs the user to logged in, it checks this by doing:
if (!isset($_SESSION['uid'])) {
header("Location: index.php");
}
However after having logged correctly in the app the session variable is not set.How does session work with a vb.net app like this?When the user logs in successfully should I download the user id and keep it in the vb.net app and then post it to each page that requires authentication?
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Feb 7, 2012
I'm making "Sticky Notes" and I want to be able to pin those stickies to the desktop. Sorta like a BottomMost function. Is there something like that I can use and if not, how would I even go about making a function that would keep my form on the desktop?
'Pins the program to the desktop
If saved = False Then
saved = True : PinToDesktopToolStripMenuItem.Checked = True : lblClose.Visible = False : Me.ShowInTaskbar = False
Else
saved = False : PinToDesktopToolStripMenuItem.Checked = False : lblClose.Visible = True : Me.ShowInTaskbar = True
End If
The reason I'm not going to mark it resolved is because if I click pin to desktop and the desktop isn't the application directly under my application then I have to minimize every program to get it to stay on the desktop.
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Dec 8, 2009
In my application, when the main form loads, it also loads a second form.
This form has it's ShowInTaskBar property set to False, has no control box, and is not movable by the user.
This form is only used to show information about the PC, to the User.
I need a way to make the form pretty much completely inaccessible and appear beneath all windows. When the application loads, the second form loads above other windows and you can Alt+Tab to that form.
I was wondering if there was a way to get it to"set" itself on the desktop and no appear in the application list when you Alt+Tab.
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Nov 29, 2011
I am developing a school management system and I am struggling whether I should develop for [desktop app + wcf] or web app(website). Which one is going to be the best for the given scenario?The main goals for the "Integrated Web-Based School Management andQuality Audits Software Project for Secondary Schools are outlined below. In addition, specific objectives within each of the goals have been provided.Goal 1: To facilitate automated data entries in secondary schools
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Jul 25, 2009
i have two forms one is a text editer and the secone one is a big form and i want to save a file form the text editor to the secone form just like on a desktop would.
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Oct 19, 2011
Is there anyway of searching for a file (shortcut file) on the desktop in VB? I've tried :
If My.Computer.FileSystem.FileExists("DesktopMYFILE.lnk")
doesnt return anything
If My.Computer.FileSystem.FileExists("DesktopMYFILE.exe")
doesnt return anything
[Code]...
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Oct 1, 2011
I've spent a while searching around and I can't find a solution to this:I have a transparent, borderless form that displays a clock. I can load this just fine, but I want the clock to be part of the desktop, so it cannot take focus, is behind other applications, and is not hidden with Win+D (similar to applications like RainMeter).
I need the solution to work with VB.Net (I'm using 2010)
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May 18, 2010
I would like to come up with a simple application that would add a specific phrase into a specific location on a desktop application. I assume this isn't very hard, but I'm kind of new.
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Feb 6, 2009
Is there a way in VB .Net to add specific icons to a desktop like "Computer", "Network",Recycle bin", and "User" files? I want to be ablse to use it for XP and Vista, but Vista as a main priority. In vista you can Right Click the desktop select "Properties", click "Change Desktop Items" in the left hand corner, and then select the icons you want. I thought that maybe there is a way to do it by calling that, or maybe a way to do it in the registry.
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Aug 25, 2011
I am having in VB.NET 2010. I am writing an app to change the background wallpaper kinda a little project I am making for my wife's grandma. It is a multiple wallpaper changer to change the wallpaper based on a list of images she adds. Anyways! I have everything setup except the fact that it doesn't change the wallpaper...
This code here:
Public Declare Auto Function SystemParametersInfo Lib "user32.dll" (ByVal uAction As Integer, _
ByVal uParam As Integer, _
ByVal lpvParam As String, _
[CODE]...
Will NOT change the wallpaper but the same code works in VB6 I tried it because I have made something like it before in VB6 but it was a game that changed the wallpaper. Anyways, using the above code in VB6 works(well with a change to the SystemParametersInfo declare to work within VB6. But it doesn't work in VB.NET. I have NO IDEA why everything gets set in the registry just fine from VB.NET but I just cannot seem to get it to update the wallpaper...
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Oct 3, 2009
I want my application to sit on the desktop and not be minimised? Can I do this some way??? not showing on top either?
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Dec 19, 2009
I'm writing an app in vb.net and was wondering wath the best way to store/retrieve data was?
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Feb 17, 2010
Is it possible to change desktop background using VB.NET?I'd like to change the icons too plan on making a VB.NET program that can automatically make Windows XP look like Mac in just one click.
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