Develop Reference

Setting the size of a ReportViewer report manually

What I need to do is to add subreports to a report that can grow or shrink dynamically, depending on how much data is available to display. Is there any way to set these to do that? Google tells me there's a CanGrow/CanShrink functionality, but it only seems to effect textboxes.
Any help is appreciated!

I'm not sure if you ask for this, but you can add your subreports inside the parent table of your main report. Follow this link:
https://blogs.msdn.microsoft.com/sqlforum/2011/01/02/walkthrough-add-a-subreport-in-local-report-in-reportviewer/
Is for asp.net but I have followed this guide to make the same for windows Forms.

Updating single characters in large TextBox programmatically

Reading lots of characters and updating a textbox was suggested to me when I created this question, and it was exactly what I was looking for (couldn't find it by just searching). However a couple of points need clarifying.
I am looking to upgrade to a ListBox or even RichTextBox. For now I want to be able to replace as little of the onscreen (and off, as an added bonus) text as possible.
In the first link Guffa wrote:
If the data is line based, use a list instead of a text box, so that you only have to update the last line when you add a character.
I have a split pane where updates to one TextBox are translated and shown on the other side, and vice-versa. I've briefly toyed with a ListBox but it doesn't provide the intrinsic text-editing funcionality of a TextBox so I went back.
What component should I be using? I wouldn't have thought that with all of .NET available I should have to consider Win32.

Ok, no one else has offered an answer so I will propose a solution which is the last one open to me short of refactoring back to Win32 API calls.
The solution is to use two textboxes. Instead of replacing the text element of the on-screen one you replace that of its dupe, which at the time is hidden, you then toggle the visible flags of both.
I'll let you know how it goes but it is major work for not much advantage, I'll prolly just live with a bit of flicker for now.

Programatically deactivating a feature in Internet Explorer

I'm currently developing a plug in for Internet Explorer, and there's a certain feature in Internet Explorer that's bothering me.
There's this feature in IE that's been appearing at least since IE7 (I couldn't check earlier versions), that lets the user modify the sizing of HTML elements in editable windows (such as a rich text mail in GMail), just by clicking on the element and dragging the sizing box. This modifies the style of the HTML element (such as a <img> or a <div>).
My first problem is that I don't know the name of that feature. I've searched and searched, but I haven't been able to find a thing.
My second problem is that I need a way to either turn it off, or at least to work with it, programatically. In my plug in, I need to modify the DOM in webmail clients to modify certain things that the user types. The problem is that for some reason, the behaviour of my plugin varies if an HTML element is selected using this feature in the edit window of the webmail. I need to, at the very least, be able to detect if anything is selected this way.
Any help will be appreciated. Thanks a lot!

You're probably talking about Internet Explorer's Accessibility Features, which are designed to assist the visually impaired to use websites. Visual impairement can take many forms, and it's generally considered very bad form to take away any tools designed to assist users in their efforts to effectively use the Internet.
Don't make your users work harder to use your site. You get paid to write software that's easy to use and makes life simpler. If your site doesn't do that, your users will find one that does.

More efficient way of doing this? (ASP.NET textboxes)

I'm using a Wizard in my ASP.NET page, where in the first step the user chooses from a DropDownList, how many sets of controls will appear in the next wizard step (from 1-5).
For example, in the 2nd step of the wizard there are 3 textboxes. If they choose 2 on the previous screen, there will be 6 as there will be 2 sets of these.
I need to be able to store the contents of all these textboxes in a database (simple part I think, there's 5 columns and all can be null.
The easy way of doing this I think is just creating all of the possible controls (5 sets), and hiding them based on what they choose in the previous screen. Is there a more efficient/easier way?
Thanks

It really depends on your definition of efficient/easier.
A more standard approach would be to use a repeater control to display the correct number of controls based on previous input. However if you have not used a repeater control before there will be a degree of learning involved in displaying your output and retrieving user input during the postback.

You can use the ASP.NET Wizard Control

If you absolutely know that 5 boxes is the max, and it is highly unlikely that there would ever be more than that, using Control.Visible on the server controls and their interface items such as label or what ever else, would work... but...
It's a bit brittle of a solution, though; Requiring you to make manual code changes in a few places if you decide to add more possible boxes.
A dynamic solution would let you set a maximum number of options in config, or just a single place in code. It would probably require you to change your database structure a little bit, but that would likely be better for normalization, anyway. It involves dynamically generating the items in the step of the wizard, too.
(More info on that option can be had if desired!)

alternative to DataGridView in Win API

Somewhere on net on one Blog I read a sentence that is "DataGridView something like Boeing 777, but what is goal when I do not know how to fly.
Before I goo deep in creating my projects I wanna know is there alternative for DataGridView in C#.
Something like jQuery in WEB api.
The favors things which I am looking for is that is simple for using, if its posibile to be freeware and looks smoth and modern.
Best regards
Admir

If you want to fly one person across town you can learn to fly a Piper Cub. If you want to fly hundreds across an ocean you need to learn to fly a 777.
There are many ways of displaying data in WinForms applications; which one is best for you depends on what you're trying to do. If you want to show a fixed, non-editable, non-scrollable list of data you can use a DataList; simple and limited. If you want to add scrolling you can output the data to a scrolling textbox.
If you want to handle a scrolling grid of multiple rows with multiple, resizable, editable columns you will need to move to a DataGrid or DataGridView.
There are many alternatives to DataGridViews; simpler controls provide fewer features and more functional controls are more complex.

I have implemented the datagridview extensively as an unbound control in a windows forms project using Visual Studio 2008. Looking back, implementing this control has consumed a large amount of time, mostly because it is loaded with bugs and peculiar behavior that should have been fixed rather than just 'documented'. A good data grid control is essential to any application of substance. I would recommend looking for a third party alternative from a company that is more interested in getting it right rather than just getting something out there.

The DataGridView is perfectly easy to use without going too deep. If all you want to do is display data in a grid, create a DataGridView and turn off features like adding and editing rows. The fact that it's got all of these incredibly complex features is really only an issue when you start needing to use them - and in that case, you'll be glad you're using it.

DevExpress has a really good gridview.