Visual Studio 2022 Web forms designer page problem - c#

I am new to Visual Studio 2022 web forms. Recently before the update, I can drag and drop elements with ease in the design area. Now with the new update , I just can't simply do it. Can someone share their experience on how they fix this one? Big thanks

I been using vs2022 with webforms - no issues.
Since I have previous vs versions installed, it seems my settings might perhaps "stick" better, but check this setting:
tools->options
Then expand Web Forms Designer, and on general, choose this:
So, setting above to use Legacy Web Forms designer should fix this.
The live preview is actually a BIG new feature in vs2022 for web forms, but regardless, try above.

Related

DataGridView not avaiable on Visual Studio 2019 ToolBox

I'm new to Visual Studio and in trying to follow a tutorial I can't seem to find the DataGridView on the ToolBox for Windows Forms. I understand I can go to "Choose Toolbox Items" to select what I want but even then when I try to drag and drop the DataGridView it doesn't allow me to drop it.
I don't understand it because in every tutorial I watch this seems to be a pretty straightforward operation. If this is not possible, or if this is not the control I should be using, what is the other option to display a datatable on windows forms?
Any help is appreciated.
Here is the fix:
Trying adding using System.Windows.Forms;. From .Net Framework only.
OR
After watching your image I think that it is a fresh project. So, create a new project. (Windows Form App(.Net Framework)), don't use .Net Core (still in progress as #JhonG said).

Cannot Open Form [Design] View in Windows Desktop Form .NET Core Application

When I create a new Windows Desktop Form Application using .NET Core with the latest Visual Studio 2019 Community Edition update, I cannot view the design view of the form, i.e., Form1.cs[Design]. When I click on the appropriately labeled Form1.cs file, it only opens up the code view.
New Solution Open Form1.cs code view only
Edit: At the time the question was asked Microsoft hadn't released the visual designer for WinForms in .NET Core in Visual Studio 2019. It needed a separate preview install. By May 2020, Visual Studio version 16.6, the designer was still in preview but could be enabled from Tools/Options/Environment/Preview Features/'Use the preview Window Forms designer for .NET Core apps' without needing an install.
As of November 2020 the designer is still in preview, but is enabled by default in projects in Visual Studio 2019 version 16.8 and later. It's still not complete, particularly re data binding, but the number of issues is much smaller. It can now be disabled via the Tools/Options menu as discussed above.
Took me a while, but...
Apparently, according to this page, you can bring up form designer in the following mysterious steps:
In the Solution Explorer, look for the head toolbar,
Find the icon that looks like an empty HTML tag: <>
When you click it, it will disappear, which makes no sense, but then,
Your plus signs (tree expand buttons) on the left side of the files will be gone too - that's a good sign:
Now you can doubleclick on your Form1 (or whatever it's called),
And after a few seconds of thinking, it will open the Form Designer.
Why this?... I literally have zero idea. But it worked for me.
Maybe tomorrow I'll find out more about this and yes I promise to come back and update - until then, just follow this little yellow brick road. I hate the fact that in 2021 some of the modern tools require dark sorcery to operate on a basic level, but hey. We're in this together.
Good luck!
This thread is the first when requesting "c# visual studio 2019 cannot open designer", so the solution may be useful for those who have encountered an error when the WinForms constructor stopped opening in VS2019.
The screenshot shows the steps to DISPLAY the ERROR that caused WinForm to stop displaying
I found this trick worked for me:
Right click your project in Solution Explorer and select 'Unload Project' from the context menu (near the bottom).
Right click again and select 'Load Project'
Now when you double click on your form class, it opens in the design editor

No WPF User Control Library Template found in VS 2013

I am using VS 2013 (Express Version) and I want to create a WPF user Control Library project. But I am not able to find the template in my installed templates list. If I use Winforms, I am able to build a DLL out of my Winforms Application Project just by changing the Output type as "Class Library". But it is not happening in WPF and it is throwing errors if I do so. Is this the correct method of doing it or am I going wrong?
And in the Create New Project dialogue window, I am not able to find the .NET Framework selector drop down. After creating the project only I am able to change the .NET framework version by going inside the properties of the project.
Kindly help me to get out of this. Thanks in advance.
I have been working on this exact same problem for hours this morning. Here is what I think I have learned:
With Visual Studio Express 2013, it is by design that the WPF User Control Library template is not available for making a New Project. This is because it is the free Express version.
With the Express version, you don't have a "devenv.exe" for trying the "devenv /installvstemplates" to "fix" things. It is, instead, called (just a moment while I look this up again...) "WDExpress.exe" and will be located (if you have default location) in the "C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE" directory. BUT - this won't help you. It won't fix your problem, because, as I mentioned, your Express installation is designed to not have that template available for New Project, so your "fix" won't put it there. I know this because this is what I tried myself. (Also, note that the instructions for doing this tell you to uninstall any extensions you've installed before doing it. And then, of course, if you still want them you have to reinstall them. Like I still have to do, incidentally.) I'm letting you know all of this so you don't go through the headache I'm having.
Note that I have not done this yet, so this is somewhat hypothetical on my part, but is based on my research on the Internet so far - Your solution is to create a WPF User Control Library manually [but now see UPDATE below]. (No, I don't know how to do this yet. I got into this in the first place, because I'm a WPF novice - just started working with it a few days ago - and late last night I got this great idea to add a "spinner" progress indicator to my "WPF play/learning project" I'm working on, and found a couple of relatively easy-to-work-with samples on the Internet - both of them are a WPF User Control Library - and at first I wanted to use the copy-and-paste to put the code in. But then I discovered... well, our mutual problem, because I'm using Visual Studio Express 2013. No such template under New Project. And literally at the tail end of my about-to-throw-in-the-towel, I'm googling and your post, Dhivakar, is already showing up with the right Google search.) So I haven't finished my research yet, but my next step is to learn exactly how to create a WPF User Control Library manually (the code and various project property settings), and then I can just save a WPF User Control Library skeleton for future use and document the details.
UPDATE: This guy totally has the solution for Express versions. I have followed his steps and it works great. The only additional piece of information I would add is that in my version (VSE2013), after you've created your WPF User Control Library template, when you open Visual Studio again and use File -> New Project, my selection in the tree (for a Windows app) came up under Templates -> Visual C# -> Windows (which is what I've been using). I did not see my template showing up there, after I created it, and I thought, "Great! Another piece of advice that doesn't work." But then I clicked up one on the "Visual C#" parent - and there was the template!
Here you go:
How to add a WPF control library template to Visual C# Express 2008
https://dotupdate.wordpress.com/2007/12/05/how-to-add-a-wpf-control-library-template-to-visual-c-express-2008/
Yes, it works this way for VSE2013 too.
UPDATE 2: I'm not absolutely positive about this, but I think he missed one little piece. In his step #4 he says to delete Window1.xaml and App.xaml. Maybe this didn't apply with VSE 2008, but in VSE 2013 there is also the App.config file which I believe is extraneous for our purpose. So you can delete App.config as well. As I said, I'm not absolutely certain about this yet, but I noticed that file in the project when I added a WPF User Control Library project to my solution, and I deleted it, and the solution compiled okay.
Try running devenv with the /installvstemplates switch, from https://msdn.microsoft.com/en-us/library/vstudio/ms247116(v=vs.100).aspx
If this doesn't work, browse to C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\ItemTemplatesCache\CSharp\WPF\1033\WPFUserControl (this could change dependent upon your installation directory), open the .vstemplate file in a text editor, and make sure the setting is set to true, then try running devenv with the switch again.
Hope it helps.

DevExpress Toolboxes don't get created on Visual C# Express

I installed DevExpress v2011 vol 1 on my Win7-32 Home Premium computer running Microsoft Visual C# 2010 Express.
The DevExpress controls do not appear in the ToolBox. I tried running the ToolboxCreator program with logging, and it resulted in:
VS 2005 not found
VS 2008 not found
VS 2010 not found
It looks like I can manually add DevExpress controls to the ToolBox by doing the "Choose Items..." method and selecting a DevExpress tool, but that's a lot of controls, and even though I specified to only install the WinForm controls, it looks like a lot of web controls are there, too.
Is this the way I have to do it, or is there a better way?
It seems like this is a known problem according this post. The post acknowledges issues with VS Express, and links to this support article. Unfortunately, it says:
It is possible to use our ASP.NET and WinForms products in Express Editions, but you will have to manually add the required product items to your Toolbox. This can be done via the "Choose Items..." command of the Toolbox' context menu as described bellow.
So, sorry, there doesn't seem to be an easier way; I am guessing DevExpress themselves would be suggesting it if there were.
I resolved the issue in the following manner. I ran the devexpress toolboxcreator. But after that the toolbox was still abscent any devexpress controls. Then I right clicked the toolbox and selected 'Reset toolbox'. Maybe that would have worked if i'd tried it first, but it did the trick for me!
Note that if you use 60 free DevExpress controls then you should use only DevExpress.Utils.v11.2.dll and DevExpress.XtraEditors.v11.2.dll (for winforms) like in this video http://www.youtube.com/watch?v=QovScQvyvNM
DevExpress Controls not showing up (disable) in Visual Studio toolbox:
This issue was caused by the application Target Framework being set to .Net Framework 2.0
once the Target Framework was changed to 4.0, the controls became available in the Toolbox.
To change the Target Framework in Visual Studio:
For VB.net:
Right click the project in the Solution Explorer and click Properties...
On the Compile tab, click the Advanced Compile Options... button
Change the Target framework (all configurations) to .NET Framework 4.
For C# .net:
Right click the project in the Solution Explorer and click Properties...
Click the Application tab and change the Target framework to .NET Framework 4.
After that you need to repair toolbox by right clicking on toolbox tab, where controls exist.
Visual Studio will close automatically and will reopen after some configuration will apply.
Now you will find all devExpress Controls available on toolbox..

IDE Support for WinForms

Hey guys I'm a newbie and I just wanted to know of the people who do Winforms on Visual studio, at your place of work do your forms have IDE support. Because for some reason I don't have IDE support on 99% of the windows forms I'm working with. I mean I can not see anything on the design view except for errors is this the usual case in industry????
Are you using any 3rd party UI controls? Some have dll's for the design view to work, and if you haven't installed the toolkit on your developer machine you might get errors like this.
One possible explanation for having errors on forms is licensing. If your company uses third-party controls on their forms, they could cause errors when trying to display the forms on unlicensed machines.
Another possible explanation for errors with third-party controls is simply installation. If you don't have the controls installed and referenced properly, that could also cause errors.
You could try to post some of the errors you have to another Stack Overflow question, and perhaps the community could help you solve your errors.
Sorry, WinForms is not broken for us (me). Check your code. Sometimes WinForms applications that were developed under Visual Sudio 2003 (or earlier) when upgraded to Visual Studio 2005 (or later) become unstable.
Start with a new form, and if the IDE (it is called a visual designer) works fine, then think about re-creating the old forms from scratch with the newest VS installation.
Your question isn't clear!, if the Visual Studio Designer not working well then re-install the IDE
Or explain more...
You should be able to view the forms in the design view.
Always unless there is an error in code. In case the project is building you should get the same error (this is a runtime error) that you will generally get when you run the code.
In case the project is not building it will be simpler to fix the errors :)

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