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Specifically, I want to filter the : Notice in the code-snippets above how I'm loading the XML file using the XDocument. Map Path(path) helper method to resolve the correct path for my XML file relative to the page I'm running the code on.
Load(path) static method - which returns back an XDocument object. Once I have an XDocument object for my XML file I can then write a LINQ query expression to retrieve the XML data I'm looking for.
The code snippets I've walked through above demonstrate how you can easily write LINQ to XML code to retrieve a list of RSS feeds from a local XML file, and how to remotely query an RSS feed to retrieve an individual feed's details and individual item post contents.I could then take advantage of the composition features of LINQ to perform a further sub-query on the result, so that I filter over only those RSS posts that were published within the last 7 days using the code below: As you can see above, you can feed the results of one LINQ query expression to be the input of another LINQ expression.This enables you to write very clean, highly composable, code.Large numbers of points, polylines, and complex polygons can now be rendered without impact on map navigation performance. In the sample below png image tiles were stored in Azure Blob storage. CORS Allowed Origins shouldn’t be necessary for images such as png or jpeg, but for the current Bing Maps v8 Tile Layer API there are problems with popular browsers: Chrome, EDGE, and Firefox that can be resolved by setting a CORS policy in the blob container.There are many improvements to the v8 API including spatial geometry functions discussed in a previous post, Spatial to the Browser. Here is a small test app that illustrated the problem: Access to Image at ‘ from origin ‘ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. “Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served.” Back in 2013 Microsoft added CORS to blob storage tools.
Introduction This document explains how to configure a connection string at runtime for a Windows application using C#.