How can URL Rewriting be enabled in ASP.NET through web.config?

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URL Rewriting can be enabled in ASP.NET through the following steps in web.config file:

1. Add the following section to the system.webServer section:

<rewrite>
  <rules>
    <!-- Add URL rewrite rules here -->
  </rules>
</rewrite>

1. Within the <rules> block, add one or more <rule> elements that define the URL rewriting rules. For example:

<rule name="ProductDetail" stopProcessing="true">
  <match url="^products/([0-9]+)/?$" />
  <action type="Rewrite" url="ProductDetail.aspx?pid={R:1}" />
</rule>

This rule will match any URL that starts with "products/" followed by a number (such as "products/42" or "products/123/") and rewrite the URL to "ProductDetail.aspx?pid=42" or "ProductDetail.aspx?pid=123/".

1. Save the changes to the web.config file and restart the application.

Note that URL Rewriting can also be enabled through other methods, such as using the URL Rewrite module in IIS or by implementing custom code in the Global.asax file.