The ControlTemplate contains the tree of elements that define the desired look. After you define a ControlTemplate you can attach it to any Control or Page by setting it’s TemplateProperty.

What is WPF item template?

You use the ItemTemplate to specify the visualization of the data objects. If your ItemsControl is bound to a collection object and you do not provide specific display instructions using a DataTemplate, the resulting UI of each item is a string representation of each object in the underlying collection.

What is difference between a ControlTemplate and a DataTemplate in WPF?

A ControlTemplate will generally only contain TemplateBinding expressions, binding back to the properties on the control itself, while a DataTemplate will contain standard Binding expressions, binding to the properties of its DataContext (the business/domain object or view model).

What are the different kinds of controls in WPF?

List of WPF Controls

  • WPF Button Control.
  • WPF CheckBox Control.
  • WPF ComboBox Control.
  • WPF TextBox Control.
  • WPF Expander Control.
  • WPF ListBox Control.
  • WPF ListView Control.
  • WPF Menu Control.

What are custom controls in WPF?

WPF applications allows to create custom controls which makes it very easy to create feature-rich and customizable controls. Custom controls are used when all the built-in controls provided by Microsoft are not fulfilling your criteria or you don’t want to pay for third-party controls.

What is Template list control?

A template defines the content of a section of a control—for example, the contents of a row in the DataList control. Styles specify the appearance of elements such as color, font, and so on. Styles can apply to the control as a whole (for example, to set the font for the GridView control) as well as to template items.

What is difference between ItemTemplate and DataTemplate?

You use the ItemTemplate to specify the visualization of the data objects. If your ItemsControl is bound to a collection object and you do not provide specific display instructions using a DataTemplate, the resulting UI of each item is a string representation of each object in the underlying collection.

What is template in XAML?

A template describes the overall look and visual appearance of a control. For each control, there is a default template associated with it which gives the appearance to that control. In XAML, you can easily create your own templates when you want to customize the visual behavior and visual appearance of a control.

What is DataContext in WPF?

The DataContext property is the default source of your bindings, unless you specifically declare another source, like we did in the previous chapter with the ElementName property. It’s defined on the FrameworkElement class, which most UI controls, including the WPF Window, inherits from.

What is binding in WPF?

Data binding is a mechanism in WPF applications that provides a simple and easy way for Windows Runtime apps to display and interact with data. In this mechanism, the management of data is entirely separated from the way data. Data binding allows the flow of data between UI elements and data object on user interface.

What is the difference between user control and custom control in WPF?

A customControl can be styled and templated and best suited for a situation when you are building a Control Library. On the contrary, a UserControl gives you an easy way to define reusable chunk of XAML which can be reused widely in your application and when you don’t need to use it as a Control Library .

What is dependency property in WPF?

Windows Presentation Foundation (WPF) provides a set of services that can be used to extend the functionality of a type’s property. Collectively, these services are referred to as the WPF property system. A property that’s backed by the WPF property system is known as a dependency property.

What is custom control user control?

CustomControl is a loosely coupled control w.r.t code and UI while UserControl is a tightly coupled control w.r.t code and UI. When using CustomControl UI can be changed in different projects but for a UserControl UI is fixed and can’t have different looks in different project.

What are the difference between user and custom controls?

The main difference between them- User Control is a page file with extension . ascx which can only be used within a single application or project But custom controls are assemblies(dll files) that can be used in multiple applications.

What is the difference between custom control and user control in C#?

UserControl : A control which can reuse the Components in the Applications. The control can be defined in both Xaml and Code-Behind. CustomControl : An UserInterface element that have a distinct behavior which is said as CustomControl.

What are user controls?

User controls are containers into which you can put markup and Web server controls. You can then treat the user control as a unit and define properties and methods for it. Custom controls. A custom control is a class that you write that derives from Control or WebControl.

What is user control in C#?

Definition of C# User Control. C# user control is defined as an implementation in programming language of C# to provide an empty control and this control can be leveraged to create other controls. This implementation provides additional flexibility to re-use controls in a large-scale web project.

What is validation control?

– The validation control is used to implement page level validity of data entered in the server controls. – This check is done before the page is posted back to the server, thus avoid a round trip to the server. – If the data does not pass validation, it will display an error message to the user.

What is difference between ASPX and ASCX?

aspx: The file extension of Web page. . ascx: The file name extension for the user control.

What is difference between page and web user control?

ASP.NET Page can be viewed directly in the Browser. User Control cannot be viewed directly in the browser. User Controls are added to WebPages and you view them by requesting a web page in your browser. User Control does not have a HTML, Body or Form element.

What is an ASHX page?

What is an ASHX file? An ASHX file is a webpage that is used by the ASP.NET HTTP Handler to serve user with the pages that are referenced inside this file. The ASP.NET HTTP Handler processes the incoming request, references the pages from the . ashx file, and sends back the compiled page back to the user’s browser.

What type of file is ASPX?

Active Server Pages (ASPX) is a file format used by web servers and generated using the Microsoft ASP.NET framework – an open-source development framework used by web developers to create dynamic web pages, often with the . NET and C# programming languages.

What is difference between ASP and ASPX?

ASP is an interpreted language, and ASPX is a compiled language. ASP is a scripting language, and ASPX is a programming language. In error handling, ASP is poor when compared to ASPX. ASP has four built-in classes, but ASPX has more than 2000 built-in classes.

Is ASPX the same as HTML?

HTML Page : A Web page with user interface and content static information that does not go through any server-side processing. ASPX Page : A Web page with user interface and dynamic content information that is coming from server-side. This type of page will render the HTML content in the browser.

What language is ASPX?

ASP.NET pages have the extension . aspx and are normally written in C# (C sharp).

What is ASP full form?

The full form of the ASP is Active Server Pages. ASP is a server side Web building scripting engine. It is generally a server page which includes embedded programming.

Is ASP.NET and .NET same?

. NET is a software development framework aimed to develop Windows, Web and Server based applications. ASP.NET is a main tool that present in the . NET Framework and aimed at simplifying the creation of dynamic webpages.