.net - Different 'views' In A Single WPF Window?
Oct 11, 2010
I'm doing a VB.Net subject at university and the major assignment is the creation of a WPF application.The application is management-focused (adding, modifying, deleting entries, etc). As these are all rather disparate tasks I'm thinking to create a tabbed interface for my assignment (in a similar vein to [URL]...
I'm a bit confused as to how I should go around approaching this? Btw, would this classify as MDI?We were recommended to create a menu system that listed all the options - upon selecting an option, a new window would be opened, the interaction would take place. If the user wanted to do something else, he'll close the window to be taken back to the menu screen.
This doesn't really seem like an elegant approach to me and it seems like it'll be an interesting exercise to implement the tab-based system I explained.I'd appreciate if anyone could point me in the right directions or give any hints as to how I should achieve. Is it possible, for example, to create each option in a separate xaml/code-behind file and then 'plug' these into each tab?edit: To clarify, let's take a hypothetical of an indoor soccer team management system. Let's say there are five different tasks the user can perform: 'Register a player', 'Modify players', 'Register a team', 'Modify team details', 'Add player to team'.
Each task is separate from the next. One way of creating the application is to create a main page with a button for each task. When a user click on each button, a new window opens up (for example, if the user clicks 'Register a player', a new PlayerRegistration window is opened).
What I'm looking for, as mentioned above, is a tab-based approach. In my application, if the user clicks 'Register a player' the entire PlayerRegistration xaml file gets loaded in a segment of the window. The same happens when the user clicks any other button.
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Jul 3, 2009
When and why would it be a good choice to keep the view of two different sets of information on the same page, and just change what's visible depending on different parameters?For example, an application I'm working on has three levels of users: Admin, Director and Project Manager. We have a Managers.aspx page which follows this flow of control:
If user is admin, load gridview list of directors with several simple CRUD-like properties. This includes a link for each director that, when clicked, will load a new gridview with several properties of all of the Project Managers belonging to the selected director.If user is director, load straight to the list of Project Managers that belong to this director, in the exact fashion as described in the second half of the "if user is admin" clause".This is all done on one Managers.aspx page. Why? What advantage does this hold? When else might this type of situation arise? Personally, this seems like a job for two separate pages. One listing the directors, and another listing the Project Managers.
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Jan 8, 2010
I've got to the stage where I want to make changes to my application so that all of my forms appear to the user as a single window.
I have a main Form with a menu bar which opens up three separate forms. Only one forms is visible at any time.
One way to do this, that I can think of, is to place all the controls from each of the "auxiliary" forms on a panel contained in the main form and then show and hide the panels, when needed. I can envisage this being a big headache though.
Another way would be to give each form a menu bar and make it look like the main form so that the user would not know the difference (with a bit of luck).
I just wonder if there are better ways to do this. Maybe if I could incorporate one form into another form?
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Jun 18, 2009
i am doing windows application in vb.net , i want to know how to create a child window in single form.
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Aug 5, 2009
I am writing a VB program in VB 2008 express edition, and I need to make a simple web browser used by touch screen users. I have done making the simple web browser to browser the webpage, but when I open some links they are opened in the external IE rather than the VB web browser, how can I force all web page to be opened in the VB software?
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Sep 4, 2009
After creating a multi-table SQL View in a dataset and trying to configure it, the vizard refuses to create UPDATE, INSERT, DELETE statements or Update method. Does that mean that Views altered by VB code cannot be written back into the database? I am having trouble finding good basic information about SQL Views handled from VB.
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May 22, 2008
anyone knows how to fetch the query of a view (Sql server) in vb.net?
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Feb 27, 2011
Is not the @Model MyModelClass notation not supported in VB Razor Views? It's not working for me. What is the construct for it?
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Mar 30, 2009
I want to compare rows of two grid views.GW1 and GW2.When I click a Search Button ,I want to check the Values in the GW2,and if GW1 and GW2 have same PayID ,EmpID,then that specific row of GW1 must be disabled.
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Mar 31, 2009
I've been wondering what a good solution is for displaying multiple forms all within the same form. I am fairly new to .net, so I might be asking a typical newbie question here, but I was wondering how one deals with having to show many forms all in one parent form. For example, I have a signup form where there is a Next button that shows, say, up to 10 'pages'. In VB6, I simply made a collection of pictureboxes as containers. At runtime, I'd set each picturebox on top of the other then set the requested picturebox's zorder to 0 when it was needed to be shown. Many pictureboxes became a bit obtrusive taking up most of the visual area of the form in design mode so I then started putting them in a tabstrip control then making the tabstrip very tiny and out-of-the-way and then setting it's visible property to false so that it wouldn't be seen at runtime. On the form's load event, I'd simply parent all of the pictureboxes (usint SetParent) to the main form and then use the zorder teqnique as usual. Lame, I know.In VB.net, I've tried just making many forms and then parenting them when needed, but I get an error that a top-level control can't be parented/added to another top-level control. I haven't tried the SetParent API technique yet because I'm sure that there is a common, simpler solution that you experts use.
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Mar 13, 2012
I've been working on this problem for a while and I'm clearly missing something...I create, populate and bind an observable collection like so:
Dim _ObservableWEI As New ObservableWEI
...
_ObservableWEI.Add(New WEI() With {.WEInum = 1, .WEIvalue = 1})[code].....
The problem is the filter effects the contents of both listboxes. I guess I need a specific instance of the collection to apply the filter too or something
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Jul 26, 2010
I have an application I'm currently working on that requires Administrators to be able to track the views of a ticket and it's duration.I've got the tracking of the number of views by users sorted out, I have a table that contains a TicketID, UserID and a DateOpened. Each time a user visits the page, a new row will be inserted.However, the way I would like to track the duration of views is by having a DateClosed field in the table which will allow me to work out view duration in the code as opposed to storing the time directly.
I can't use Google Analytics or anything Third Party for the task either due to internal policy as it's an intranet application.What would be the best way to achieve filling this field on page exit?
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Mar 13, 2009
I have a ListView capable of displaying files in all available views (Large Icon, Small Icon, Tile, List, Details). Now I am wondering how to properly use the SmallImagelist and LargeImagelist for the small and large icons...the ListView is actually a modified listview (inheriting from ListView), using a modified ListViewItemCollection.In this custom ListViewItemCollection I use the Add override function to add a few details to my ListViewItem:
vb.net Public Overrides Function Add(ByVal value As System.Windows.Forms.ListViewItem) As System.Windows.Forms.ListViewItem
Dim file As clsTexture = TryCast(value, clsTexture)
If file IsNot Nothing Then
[Code]...
I realize it is a pretty complex post to read and will probably not get very many answers, but I really want to make the most of my Listviews...Of course, one work around is to just always use the LargeIcon which then gets scaled down automatically when the SmallImagelist is used but I am pretty sure there are icons that are very different in Large or Small view...
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Sep 2, 2009
When ASP .NET hits the RenderPartial("Openings") line, an exception is thrown ("Could not load type 'System.Web.Mvc.ViewUserControl(of IEnumerable(of OpenSpace))'.") even though the view exists and the proper model is being passed in. The views are all inside the View folder and in this case, they're even in the same subdirectory.[code]
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Jun 25, 2012
My SQL Server database contains several views which are essentially filtered (WHERE) / ordered (ORDER BY) versions of some of the tables i.e. no joins.
An example would be my Downloads table, which has a view such as DownloadsOnlineOnly e.g.
SELECT * FROM Downloads WHERE Live = 1 ORDER BY FolderName ASC;
I can drag and drop these views onto my LINQ to SQL DataContext, and use LINQ to query these views and retrieve data fine...
But the foreign key relationships are not being picked up in my DataContext, so I've lost the ability to:
Dim dl as DownloadOnlineOnly = (From r in db.DownloadOnlineOnlies Select r).First
Dim fol as Folder = dl.Folder ' Syntax error as there is no association between
' DownloadOnlineOnly and Folder in my DataContext.
I understand why this is happening, but how can I get around this:
Without manually adding associations in my DataContext? Can I change the type of the Entity like changing the return type of an SP on the DataContext? Can I cast or convert between a DownloadOnlineOnly object and Download object? Or some other method?
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Mar 12, 2009
I have used list views for a project. I have used sum items on the items. The sub items are prices of products. I will need to use these sub items to come up with a total.Also, i have used to listviews, for a smoother look and feel. You click the product which then is removed from the list view and added to the second one. Would this also "move" the sub item across to the other list view?
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Mar 10, 2009
I am trying to learn how to work with the different controls in Visual Studio for VB.Net in particular the List View and Tree Views. I don't have any code to show as I am not working on anything in particular just messing around with it to learn what the different controls do that weren't covered in my Intro to VB.Net class last semester.I would like a clearer explanation on how to actually use code for these controls. In particular adding and removing items from the List and Tree Views using code.
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Nov 21, 2011
I have a project written in MVC2 and VB.NET. I use a lot of htmlhelper extension methods,and I have them all in a public module. They work just fine, and I can compile and run my project. I reference the namespace they are in with this:<%@ Import Namespace="MyProject.WebUI.Extensions" %>So, again, they work great, my project runs and compiles without a hitch.The problem is that each one of these extension methods is shown as an error:
Error 33 'TabbedMenu' is not a member of 'System.Web.Mvc.HtmlHelper(Of Object)'. C:ProjectsMyProjectMyProject.WebUIViewsSharedSite.Master 23 21 MyProject.WebUI
[code]....
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Aug 4, 2009
I am using VB 2008 and wonder if there is a way to draw lines between the data elements in two listviews to bind the elements together?
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Jun 28, 2009
I'm BRAND NEW to programming, and I'm starting to learn VB. I need to write a program that views images on a website that are organized. I have 2 textboxes in which you enter variables which affect the URL. It doesn't load anything though when I enter values into the textboxes. Here is the
Dim shoot As String
a = TextBox1.Text
Dim pic As String
b = TextBox2.Text
[Code]...
Also, i want to be able to enter something else in the textboxes and be able to press the button again to load the new image
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Mar 3, 2010
I am using VB Exopress 2008 and SQl Server Express 2008 in Windows Vista Home Premium. I have created a dataset after importing all tables and queries from MS Access to SQL Server. I have now added a view in SQL Server that I want to access and use in VB Express. However on clicking "Refresh" for the dataset the new view does not display in the available objects, only those I originally imported and opened with the original dataset. What, pleas am I doing wrong? How can I see this new View?
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Oct 25, 2009
In more detail, I am looking for a way to display the tab funcion vertically, and a way to display a specified folder that views only text files.
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Dec 23, 2009
Say I have a code with 3 methods that do some pretty intensive work. Would executing these methods on 3 seperate threads be faster then executing them one after the other on a single core cpu? And what if it's a dual core or HT?
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Sep 5, 2010
I am trying to make a list, separated by a comma, of entries from a single column in a SQL database. I have been spending the last several days searching for a way to do this, but every thing I found either didn't work, or wasn't exactly what I was looking for.
The query will pull all the email address that are not null. What I need to know is how to take the result of that query and make it look like this:
email0@address.com, email1@address.com, email2@address.com, etc, etc, ...
I feel like I should know this, but for the life of me, I can't remember nor can I find it in any of the textbooks I have.
I am using Visual Basic 2010 and SQL Server 2005. I also have access to Visual Basic 2005 if needed.
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Oct 23, 2009
I use SqlParameters when executing database statements. I know that I can replace a single quote with two single quotes... but in the past SqlParameters took care of this for me. I have two projects.. in one, the SqlParameter does this and it handles single quotes fine, in another, it does not and I'm at a loss why (I even copied and pasted the code):
[Code]...
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May 7, 2010
I am trying to use the DGV to view various properties from a variety of different class instances. Is it possible to bind each cell individually?
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Dec 3, 2010
I am trying to update a row or a single cell in ms access through vb.net. But when i update the text box named NRIC, say for example i want to update "s4522147B" to "tr4521856C" and mean while leaving the other fields the same.
But the thing is when i make the changes in nric.text (textbox), the dataset actually updates the whole column in the table instead of the selected textbox.
Below is my code for the update part
[Code].....
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Oct 27, 2009
In VS 2008, VB.Net, I am successful connecting to a local SQL Server (version 8) and seeing all tables/views/procedures in Server Explorer. The local OS is Win XP Pro SP3. I created an ODBC data source to a remote SQL server (also version 8) with a database of the same structure as the local one. The connection tests out ok. The remote computer runs Windows Server 2000 SP4. In the VS 2008 Server Explorer I add this ODBC source. When I click on the plus-signs to expand items, neither the tables nor the views show anything, whereas the full list of procedures appears. Is it the old SQL Server version? Is it the old Server OS version? Something else alltogether?
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Dec 30, 2010
This is what I'm sure will be the first of many noob-ish questions from yours truly... I'm studying as a mature student for a Computing Degree (encompassing web design, hardware, programming and systems analysis). The programming seems to be my weak spot this year. I enjoyed C++ last year, doing basic console applications, but progamming visually with VB in Visual Studio 2008 I'm struggling!
[Code].....
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Oct 27, 2009
In VS 2008, VB.Net, I am successful connecting to a local SQL Server and seeing all tables/views/procedures.I created an ODBC data source to a remote SQL server with a database of the same structure as the local one.The connection tests out ok. In the VS 2008 Server Explorer I add this source. When I click on the plus-signs to expand items, neither the tables nor the views show anything, whereas the full list of procedures appears.How can I see the lists of tables and views in Server Explorer for an ODBC source?
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