ASP.NET Vs Winforms App ?
May 11, 2009
I have a proto-type winform app designed by a colleague. My original plan was to create it using asp.net, but I'm not sure if I should just 're-create' it using asp.net or continue forward using the winforms. Either way, I'd use vb.net as the code-behind.
It's going to be a data collection app; originally it was going to allow the collection screens to by dynamically built, based on options selected by the end-users. However, that has changed to a one-size fits all approach.
I've never written anything using asp.net, so what I'd really like is some advice about what should I be looking for/at in this new app, in order to decide which way to finish it... asp.net OR winforms... Would there be any design/programming advantages to using asp.net over the winforms (other than the fact that my colleague already have about a dozen forms designed, but with NO code-behind)? Might there be end-user advantages to using asp.net vs winforms?
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May 28, 2010
Is it possible to set a project default for VB.NET winforms projects so that the default Modifier for controls added to winforms is Private (not Friend)?I know there's a "modifiers" property in the properties window so I can set it for each individual control however I would like to change the project so from now on myself and other developers have to specifically decide to change from friend to private. (Which I would strongly discourage them from doing).I believe there is no way of doing this, but on another forum a while ago someone mentioned it would be possible with an add-in (but didn't name the add-in or where to get it).
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Aug 10, 2009
I'm currently studying for one of Microsoft's MCPD 3.5 certifications (VB 2008) and one of the things it makes use of is WPF applications. Based on what I've seen of them so far, they are basically like Windows Forms Applications. So my question about them is why was WPF created? What was Microsoft looking to accomplish with WPF since outside of the "web feel" in a windows environment, it basically looks like a WinForms application. What is the difference between the two and when sould I use one over the other?
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Jul 24, 2011
Can i access ASP.NET Database From Withing Winforms Application ? If i expect it requires web server can i have any example, any online sites that can show me the pattern of simple web server?
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May 28, 2011
Animated GIF in Winforms
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Nov 5, 2010
Question: I want to control cmd.exe from winforms. I DO NOT mean every command in a single process, with startupinfo, and then stop. I mean for example start the (My) SQL or GDB command prompt, send command, receive answer, send next command, receive next answer, stop SQL command prompt exit process. Basically I want to write a GUI on top of any console application.
[Code]...
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Jul 22, 2010
Is there anything like WindowLicker(a GUI test framework) but for .NET's WinForms?
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Mar 9, 2010
Can we use css formatting in a vb application to give some enhancement? Examples would be changing the font color and or background? Are there any other way to customize a (VB)desktop application?
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Jun 25, 2010
We're building an application using VB.net and WPF. Obviously we've found that there are huge differences between the syntax in the two, and we have a few problems trying to do things in Form apps in WPF.If possible, could you pass us some resources on things like switching between WPF windows, we'd use Show() and Close() in WinForms, and referencing variables from other forms, i.e. otherForm.StrVariable references StrVariable from otherForm.
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Jan 14, 2012
I'm creating a playlist in Visual Studio 2010 Winforms and I would like to have allow the user to shuffle the songs played. I was thinking of something like:
If CheckBox1.Checked = True Then //Shuffle checkbox
Me.ListBox2.SelectedIndex = Random(20)
AxWindowsMediaPlayer.URL = ListBox2.SelectedItem
End If
And hopefully the 1 of the 20 songs in the ListBox2 will be randomly selected. But this code does not work; "Random is a type and cannot be use as an expression".
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Mar 7, 2012
I've come up against a rather tricky problem that I cant seem to find an answer to.I have a WinForms program that runs locally on a PC with a SQL Server Express database to store its data.There is also a remote database that i need to save data to the first time that the program is run (a registration type thing).
The remote database will only accept connections from known IP adresses so to get around this, I have set up an ASP.NET site on the server that the remote database resides on and the data will be saved from here.
In my program, I have a form that has a webbrowser component on it that points to the asp site (with me so far?).The user fills in the form and clicks a button on the form that will fire the form to submit, save the data on the remote DB and retrieve a serial number that is displayed on the screen.
[Code]...
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May 7, 2009
I would like to change just a little bit the outlook of the form's top region in my application (the icon, bar, and controbox), is there any way to accomplish this without using third party components ?, I'd like to have my own Winform control that inherits from Windows.Forms.Form.[url]...
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Jun 24, 2012
Possible Duplicate: Porting VB.NET Winforms Application to C# .Is there any way to convert a vb.net winforms application into c# ? In terms of both code and .vb (forms) files.
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Jan 4, 2011
In a .NET 3.5 Winforms app, after a user provides a username and password, I set a custom principal in the CurrentPrincipal property like this:My.User.CurrentPrincipal = Service.GetPrincipal(username)This is done in a method that is called using Invoke, because the originating thread is not the UI thread:Invoke(New Action(AddressOf doLogin))But when I click on a button in the Winforms application, the CurrentPrincipal property has been reverted to its default, the current Windows user.Dim lPrincipal = My.User.CurrentPrincipal ' not my custom principalApparently, using Invoke while setting the principal does not solve the problem. Is there another way to set the CurrentPrincipal property for all threads in the application?
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Jun 20, 2009
I know it most likely possible to access a winforms menu like an array but I am not seeing it in the menu designer of VS2008? What I mean is, my app has a typical menu bar across the top, with multiple items on each drop down. As it is written (I inherited this code), each menu item is a separate name, i.e.
myMenuOption1MenuItem
myMenuOption2MenuItem
myMenuOption3MenuItem
myMenuOption4MenuItem
[Code]...
Obviously I could set/unset each menu item by name, but for a lot of reasons I'd prefer to use loops.
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Dec 2, 2010
I am working on a windows forms project that will allow a user to have an interface to the database, and another will be a nightly run process file that will update the database table.The user will add new records to the table, whereas the nightly process will update the columns with new values (think mortgage interest rates)
Both these projects will be using the same business logic component that has the calculations needed to enter values into the table.The way I am figuring this out, is that I will have two exe's (one for the interface and one for the nightly process) and have a central object that will host the calculations. What would be the best object for this purpose?A class file?A windows service? (I want to stay away from a windows service, because it will have to be running all the time)
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Oct 27, 2010
In my Winforms application, i've got a form and an associated business layer class. All controls are bound. When i click a button i call a method on the class which then starts a background worker and returns. The background worker does some processing and finishes.
The problem i'm having is that i'm using a label to display any error messages generated by this background worker, which is fine but after a set time i want to clear the label, so for that i'm using a timer (on the business layer class), which, when it fires, is on a different thread and thus should not update the property that the label is bound to Whats the best way to do update the label? -- Should i be using a delegate to update the property value, if so how do i invoke it?Note i'm also having a problem with getting the databinding of the visible property on this label to work.
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Jan 9, 2012
Check this:Can I add ListViewGroup in WPF? Or a equivalent to that?
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Jul 10, 2009
Whenever I want to modify a winform from another thread, I need to use ->Invoke(delegate, params)so that the modification occurs in the winform's own thread.
For every function that needs to modify the gui, I need another delegate function.Is there some scheme which allows me to limit the number of delegate functions needed? I have a controller class which handles the whole gui in one spot, I've thought about reusing delegates but that smells badly.I think that my question can apply to all languages where winform can run
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Apr 7, 2010
know the millisecond interval, used by the framework trackbar, between calling the ValueChanged event when moving the grip with a mouse?I've implemented my own trackbar and I'd like the behaviour to be consistent with what the user expects.I've had a look in reflector but it's one of those controls where most of the implementation is not viewable.
ETA: Actually, thinking about it, it's not as simple as that. For small changes, the TrackBar is raising the event for every change. However, if you make a large fast change with the grip, it will not raise the event for every step. Just wondering exactly how the framework does this?
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Apr 30, 2009
We have a form that hosts the WebBrowser control. That is the only control on the form.We pass the form the file path of a temporary PDF file and it does:WebBrowser1.Navigate(Me._PathToPdf)When the form is closing, it navigates away from the PDF file:
WebBrowser1.Hide()
WebBrowser1.Navigate("about:blank")
Do Until WebBrowser1.ReadyState = WebBrowserReadyState.Complete
[code].....
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Jun 14, 2011
Possible Duplicate: How can i show month selection calendar in my appI have to select only month from a date picker Control. I know there is Date Format Property available for the same purpose and i am pretty happy with that.The only problem is that when I open my date picker popup, the date picker calendar popup is in Month - Mode. Is it possible to be same on Year Mode.
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Dec 12, 2009
how to set space between (kerning)the selected charecters in a richtextbox l
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Dec 18, 2009
How to bind data from database to combobox of winform in VB.NET .
Database : MSSQL server managemant studio
Front End : Vb.net 2008
In the combo box binding,i need to put "Product_gid" in index and "Product_Name" in the value of combo box.How do i add an item "Select" in the 0'th position of Combo box,So that every time i opened the list of combo box,the 1st item will be "Select",other from database.
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Sep 18, 2010
As an example, here's a simple attribute, derived from ToolboxItemAttribute:
<ToolboxItemX(False)> _
Public Class Class1
Inherits Button
[code].....
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Mar 22, 2010
I'm wondering if anyone is familiar with designing UIs to be scalable to any resolution. Are there any libraries or functionalities of .NET that make this easy? We also have Infragistics controls as a resource.
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May 25, 2011
I have a standard winforms treeview control that keeps flickering whenever I hover my mouse over any other control on the form. I would like to doubleBuffer the treeview to reduce the flickering but I have no idea how to do so.
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Jan 10, 2011
I need to make a winform full screen. This is what I found online.
1. Hook WinProc to catch WM_SYSCOMMAND
2. Check wParam == SC_MAXIMIZE and then
3. Set my windiw's attributes
Me.ResizeMode = ResizeMode.NoResize
Me.WindowStyle = WindowStyle.None
Me.WindowState = WindowState.Maximized
I am fairly new to vb.net and do not know how to do Steps 1 or 2.
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Oct 6, 2009
I've made console apps that show what they are doing, open forms etc. now I don't always want to show the debug console. I want to make a Winforms app, that starts as a form. and in some menu open that same console that i see in a console project. how can i do that?
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Jul 1, 2009
I am working on a project where I need display a list of items in a combobox and then display the details for each item in some textboxes.For example.I have a medications table,
ID (uniqueid), Name (varchar), Prescribed(bit), Usage(varchar), StartedTaking(datetime), HowTaken(varchar)
In the combobox I want to display the Name, and use the ID as the value. Then when an item is selected it will show the Prescribed, StartedTaking, HowTaken and Usage values in the textboxes.Heres the code i started writing..
Imports System
Imports System.Drawing
Imports System.Collections
[code]....
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