Does form data still transfer if the input tag has no name?
The W3C specification, if I understand it correctly, mandates that every form input element has a name attribute specified. Otherwise that element will not be processed. Source
webforms
Dropdownlist control with s for asp.net (webforms)?
I’ve used the standard control in the past, and just added a simple ControlAdapter for it that would override the default behavior so it could render <optgroup>s in certain places. This works great even if you have controls that don’t need the special behavior, because the additional feature doesn’t get in the way. Note that … Read more
Create custom User Control for Acumatica
To create a custom User Control in an easy way, you need to: Open Customization of your project (System – Customization – Customization Project) On the left side, you can see your screens in your customization. Find screen that needs or add needed screen. Go to the necessary view. Select add controls and add your … Read more
ASP.NET Web Forms and ASP.NET Web Pages
There are three flavors of ASP.NET Full and there is also ASP.NET Core (the new one that works on Linux and Mac). For ASP.NET Full The first one is the oldest and is called Web Forms. Basically it is a high-level component-oriented web framework that works with controls like buttons and grids that encapsulate behaviour … Read more
Disable form submission via Enter key on only _some fields
You can capture and cancel the enter keypress on those fields like this: $(‘.noEnterSubmit’).keypress(function(e){ if ( e.which == 13 ) return false; //or… if ( e.which == 13 ) e.preventDefault(); }); Then on your inputs just give them a class=”noEnterSubmit” 🙂 Looking ahead in case others find this later, in jQuery 1.4.3 (not out yet) … Read more
How can I implement Ninject or DI on asp.net Web Forms?
Here are the steps to use Ninject with WebForms. Step1 – Downloads There are two downloads required – Ninject-2.0.0.0-release-net-3.5 and the WebForm extensions Ninject.Web_1.0.0.0_With.log4net (there is an NLog alternative). The following files need to be referenced in the web application: Ninject.dll, Ninject.Web.dll, Ninject.Extensions.Logging.dll and Ninject.Extensions.Logging.Log4net.dll. Step 2 – Global.asax The Global class needs to derive … Read more
How to include a partial view inside a webform
I had a look at the MVC source to see if I could figure out how to do this. There seems to be very close coupling between controller context, views, view data, routing data and the html render methods. Basically in order to make this happen you need to create all of these extra elements. … Read more
How is mime type of an uploaded file determined by browser?
Chrome Chrome (version 38 as of writing) has 3 ways to determine the MIME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper. // We implement the same algorithm as Mozilla for mapping a file extension to // a mime type. That is, we first check a … Read more
ASP.NET MVC Performance
We haven’t performed the type of scalability and perf tests necessary to come up with any conclusions. I think ScottGu may have been discussing potential perf targets. As we move towards Beta and RTM, we will internally be doing more perf testing. However, I’m not sure what our policy is on publishing results of perf … Read more
How to create dynamically
With JavaScript: var input = document.createElement(“input”); input.type = “text”; input.className = “css-class-name”; // set the CSS class container.appendChild(input); // put it into the DOM