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What are the differences between delegates and events?
...icle by John Skeet.
Example 1: Using public delegate
Suppose I have a WinForms app with a single drop-down box. The drop-down is bound to an List<Person>. Where Person has properties of Id, Name, NickName, HairColor. On the main form is a custom user control that shows the properties of that...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...ient sends you a request method of 'post' or 'Post' when they intend to perform a POST request then they're in violation of spec, since HTTP methods are case-sensitive according to spec and the spec only defines the POST method, not e.g. the post or Post or pOsT method. I go into more detail about t...
Using jQuery to test if an input has focus
...der when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover on any elements other than <a> s. So, for this browser only we are usi...
How do I set a textbox's text to bold at run time?
I'm using Windows forms and I have a textbox which I would occassionally like to make the text bold if it is a certain value.
...
Window vs Page vs UserControl for WPF navigation?
...om what I can tell seems to work well with datasets, but what about static forms like for instance an entry form for an audit. Should I be using a page or usercontrol for static pages?
– Herrozerro
Jun 12 '13 at 20:05
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HTML input file selection event not firing upon selecting the same file
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<form enctype='multipart/form-data'>
<input onchange="alert(this.value); this.value=null; return false;" type='file'>
<br>
<input type='submit' value='Upload'>
</form>
this.value=null; ...
PHP + curl, HTTP POST sample code?
...T_POSTFIELDS is an array, the Content-Type header will be set to multipart/form-data instead of application/x-www-form-urlencoded. php.net/manual/en/function.curl-setopt.php
– Chloe
Jul 21 '16 at 2:34
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What does Html.HiddenFor do?
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It creates a hidden input on the form for the field (from your model) that you pass it.
It is useful for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
...
How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...initialize the Step1 property. Then inside the view you would generate the form allowing the user to fill the properties about step 1. When the form is submitted the controller action will apply the validation rules for step 1 only:
[HttpPost]
public ActionResult Step1(Step1ViewModel step1)
{
v...