DotNetKicks.com : Stories kicked by aneres

Showing ESRI Shapefile Layers on a Virtual Earth Map: a simple HowTo

Sun, 13 Apr 2008 10:11:50 GMT

If you've ever tried to find a way to display an ESRI ShapeFile on a Virtual Earth map, you'll have probably noticed how little information there is on the Internet about how to accomplish this apparently arduous task. With the technique described in this article, you're going to be able to not only display Shapefiles as layers on Virtual Earth, but also interact with them in countless ways: extract data from them, show data associated with a shape when you click on it on the map, even modify or create new Shapefiles.

Getting started with Virtual Earth Mashups: showing current weather.

Tue, 13 Nov 2007 21:46:02 GMT

In this article we'll see how easy it is to use Virtual Earth SDK to produce a simple mashup, using web services that provide information in JSON format. We'll use data retrieved from a JSON web service to show weather icons and up-to-date weather information on a specific area selected on the map.

How to integrate JSON web services in an ASP.NET AJAX web application:

Thu, 08 Nov 2007 18:13:52 GMT

In this brief tutorial, we'll see how to leverage the ASP.NET AJAX infrastructure to call remote JSON web services from client script. The use of proxy services, JSON serialization / deserialization and the relevant aspects of the ASP.NET AJAX Client Library will be covered.

JSON in ASP.NET Ajax: Part 3.Server side deserialization / elaboration

Thu, 01 Nov 2007 12:46:04 GMT

In the third part of this series, we'll discover how we can elaborate and enrich the JSON response returned from a Web Service in our proxy service before sending it back to the client. We will also see how to leverage the ASP.NET AJAX framework to make the data exchange between the client side and the server side code of our application completely transparent.

Data Interpolation with SPLINE in C#

Sat, 27 Oct 2007 11:01:02 GMT

A simple and fast solution for the approximation of a function, interpolating it using a list of known samples and the Spline algorithm.

JSON in ASP.NET Ajax: Part 2. Calling a JSON Service from client code

Wed, 24 Oct 2007 15:31:05 GMT

In this follow-up we'll build upon what we learned in the previous article, and write a simple AJAX application that calls a JSON Web Service asynchronously and displays the result with a callback. We'll leverage the ASP.NET AJAX client library to avoid writing all the needed "plumbing" code and we'll see how to bridge a remote web service using a local proxy.

JSON in ASP.NET Ajax: First words

Wed, 24 Oct 2007 10:55:09 GMT

An introduction to JSON and its use within the ASP.NET AJAX framework. How to simply deserialize a string containing JavaScript Object Notation on the client using eval()