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    <p>.NET 3.5 has support built-in. For .NET 2.0, extra libraries are needed. I used the Jayrock library.</p> <p>I recently delivered an application that uses pure Javascript at the browser (viz. using AJAX technology, but not using Microsoft AJAX or Scriptaculous etc) which marries up to Microsoft webservices at the back end. When I started writing this I was new to the world of .NET, and felt overwhelmed by all the frameworks out there! So I had an urge to use a collection of small libraries rather than very large frameworks.</p> <p>At the javascript application, I call a web service like this. It directly reads the output of the web service, cuts away the non JSON sections, then uses <a href="https://github.com/douglascrockford/JSON-js/blob/master/json2.js" rel="nofollow noreferrer">https://github.com/douglascrockford/JSON-js/blob/master/json2.js</a> to parse the JSON object.</p> <p>This is not a standard approach, but is quite simple to understand, and may be of value to you, either to use or just to learn about webservices and JSON.</p> <pre><code>// enclosing html page has loaded this: &lt;script type="text/javascript" src="res/js/json2.js"&gt;&lt;/script&gt; // Invoke like this: // var validObj = = callAnyWebservice("WebServiceName", ""); // if (!validObj || validObj.returnCode != 0) { // alert("Document number " + DocId + " is not in the vPage database. Cannot continue."); // DocId = null; // } function callAnyWebservice(webserviceName, params) { var base = document.location.href; if (base.indexOf(globals.testingIPaddr) &lt; 0) return; gDocPagesObject=null; var http = new XMLHttpRequest(); var url = "http://mywebserver/appdir/WebServices.asmx/" + webserviceName; //alert(url + " " + params); http.open("POST", url, false); http.setRequestHeader("Host", globals.testingIPaddr); http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); http.setRequestHeader("Content-Length", params.length); // http.setRequestHeader("Connection", "close"); //Call a function when the state changes. http.onreadystatechange = function() { if (http.readyState == 4 ) { if (http.status == 200) { var JSON_text = http.responseText; var firstCurlyQuote = JSON_text.indexOf('{'); JSON_text = JSON_text.substr(firstCurlyQuote); var lastCurlyQuote = JSON_text.lastIndexOf('}') + 1; JSON_text = JSON_text.substr(0, lastCurlyQuote); if (JSON_text!="") { //if (DEBUG) // alert(url+" " +JSON_text); gDocPagesObject = eval("(" + JSON_text + ")"); } } else if (http.readyState == 4) {alert(http.readyState + " " + http.status + " " + http.responseText)} } } http.send(params); if (gDocPagesObject != null) { //alert(gDocPagesObject.returnCode + " " + gDocPagesObject.returnString); return gDocPagesObject; } else return "web service unavailable: data not ready"; } </code></pre>
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    1. POJSON WebService in ASP.NET
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    1. USJon DellOro
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      1. VTUpMod
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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