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3.1 KiB
Markdown
61 lines
3.1 KiB
Markdown
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---
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title: "Installing a Helper in an ASP.NET Web Pages (Razor) Site | Microsoft Docs"
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author: tfitzmac
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description: "This article describes how to install a helper in an ASP.NET Web Pages (Razor) website. A helper is a reusable component that includes code and markup to per..."
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ms.author: aspnetcontent
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manager: wpickett
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ms.date: 02/18/2014
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ms.topic: article
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ms.assetid: 5e968ead-906a-45ea-ac2a-c70e57e1a9b1
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ms.technology: dotnet-webpages
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ms.prod: .net-framework
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msc.legacyurl: /web-pages/overview/ui-layouts-and-themes/installing-helpers
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msc.type: authoredcontent
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---
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Installing a Helper in an ASP.NET Web Pages (Razor) Site
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====================
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by [Tom FitzMacken](https://github.com/tfitzmac)
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> This article describes how to install a helper in an ASP.NET Web Pages (Razor) website. A *helper* is a reusable component that includes code and markup to perform a task that might be tedious or complex.
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>
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> What you'll learn:
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>
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> - How to install a helper in a website created using WebMatrix 3.
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>
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>
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> ## Software versions used in the tutorial
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>
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>
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> - WebMatrix 3
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## Overview of Helpers
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Some tasks that people often want to do on web pages require a lot of code or require extra knowledge. Examples include displaying a chart for data; putting a Twitter "Follow" button on a page; sending email from your website; cropping or resizing images; using PayPal for your site. To make it easy to do these kinds of things, ASP.NET Web Pages lets you use *helpers*. Helpers are components that you install for a site and that let you perform typical tasks by using just a line or two of Razor code.
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ASP.NET Web Pages has a few helpers built in. However, many helpers are available in packages (add-ins) that are provided using the NuGet package manager. NuGet lets you select a package to install and then it takes care of all the details of the installation.
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## Installing a Helper in WebMatrix 3
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1. In WebMatrix 3, click the **NuGet** button.
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2. This launches the NuGet package manager and displays available packages. In the search box, enter a keyword for the helper you want to install.
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- Select the package and then click **Install**. Click **Yes** when asked if you want to install the package and indicate that you accept the terms.
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If this is the first time you've installed a helper, NuGet creates folders in your website for the code that makes up the helper.
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- To uninstall a helper, click the **Gallery** button, click the **Installed** tab, and pick the package you want to uninstall.
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## Installing the Twitter helper
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The latest version of the Twitter API is not compatible with the Twitter helper you install through NuGet. Instead, see the [Twitter Helper with WebMatrix](twitter-helper.md) topic for information about how to set up the Twitter helper in your project.
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<a id="Additional_Resources"></a>
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## Additional Resources
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[Introducing ASP.NET Web Pages 2 - Programming Basics](../getting-started/introducing-razor-syntax-c.md)
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[Twitter Helper with WebMatrix](twitter-helper.md)
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