You could create a feature collection based feature layer and use that with the AttributeInspector widget. Here's an example:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=9" />
<!--The viewport meta tag is used to improve the presentation and behavior of the samples
on iOS devices-->
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
<title>Validate Attributes</title>
<!-- include dojo theme -->
<link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.1/js/dojo/dijit/themes/claro/claro.css">
<style type="text/css">
.dj_ie .infowindow .window .top .right .user .content { position: relative; }
.dj_ie .simpleInfoWindow .content {position: relative;}
</style>
<style>
html, body { height: 100%; width: 100%; margin: 0; padding: 0; overflow:hidden; }
#leftPane{
overflow:hidden;
border:none;
color:#5C832F;
}
#map{
border: solid medium #382513;
padding:0;
}
.esriAttributeInspector{
atiLayerName:'Building Details'
}
.templatePicker{
border:none !important;
}
.templatePicker .grid .groupLabel{
display:none;
}
</style>
<!-- specify dojo configuration to parse dijits at load time -->
<script type="text/javascript">
dojoConfig = {
parseOnLoad:true
};
</script>
<!-- reference ArcGIS JavaScript API -->
<script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=3.1"></script>
<script type="text/javascript">
//require selection dijit
dojo.require("esri.map");
dojo.require("esri.dijit.editing.Editor-all");
dojo.require("dijit.layout.ContentPane");
dojo.require("dijit.layout.BorderContainer");
dojo.require("dijit.form.ValidationTextBox");
var map;
function init() {
var initialExtent = new esri.geometry.Extent({"xmin":-13062820,"ymin":4063755,"xmax":-13048794,"ymax":4071609,"spatialReference":{"wkid":102100}});
map = new esri.Map("map", { extent:initialExtent, slider: false, nav: true });
dojo.connect(map, "onLoad", function() {
//resize the map when the browser resizes
dojo.connect(dijit.byId('map'), 'resize', map,map.resize);
});
dojo.connect(map, "onLayersAddResult", initEditor);
var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer");
map.addLayer(basemap);
var featureCollection = {};
featureCollection.layerDefinition = {"id":0,"name":"Notes","type":"Feature Layer","displayField":"name","description":"","copyrightText":"","relationships":[],"geometryType":"esriGeometryPoint","minScale":0,"maxScale":0,"extent":{"xmin":-165.874652126,"ymin":-49.9999999999999,"xmax":176.176078869,"ymax":76.745946916,"spatialReference":{"wkid":4326}},"drawingInfo":{"renderer":{"type":"simple","symbol":{"type":"esriPMS","url":"images/flickr.png","contentType":"image/png","color":null,"width":28,"height":28,"angle":0,"xoffset":0,"yoffset":0},"label":"","description":""},"transparency":0,"labelingInfo":null},"hasAttachments":true,"htmlPopupType":"esriServerHTMLPopupTypeAsHTMLText","objectIdField":"objectid","globalIdField":"globalid","typeIdField":"","fields":[{"name":"objectid","type":"esriFieldTypeOID","alias":"Objectid","editable":false,"domain":null},{"name":"note","type":"esriFieldTypeString","alias":"Note","editable":true,"length":255,"domain":null},{"name":"link","type":"esriFieldTypeString","alias":"Link","editable":true,"length":2048,"domain":null},{"name":"name","type":"esriFieldTypeString","alias":"Name","editable":true,"length":50,"domain":null},{"name":"email","type":"esriFieldTypeString","alias":"Email","editable":true,"length":50,"domain":null},{"name":"phone","type":"esriFieldTypeString","alias":"Phone","editable":true,"length":50,"domain":null},{"name":"globalid","type":"esriFieldTypeGlobalID","alias":"globalid","editable":false,"length":38,"domain":null},{"name":"notedate","type":"esriFieldTypeDate","alias":"Notedate","editable":false,"length":36,"domain":null}],"types":[],"templates":[{"name":"Notes","description":"","drawingTool":"esriFeatureEditToolPoint","prototype":{"attributes":{"notedate":null,"note":null,"link":null,"name":null,"email":null,"phone":null}}}],"capabilities":"Query,Editing"}
var fields = dojo.map(featureCollection.layerDefinition.fields, function(field) {
return field.name;
});
var featureLayer = new esri.layers.FeatureLayer(featureCollection, {
outFields: fields
});
map.addLayers([featureLayer]);
}
function initEditor(results) {
//only one layer
var featureLayer = results[0].layer;
var templatePicker = new esri.dijit.editing.TemplatePicker({
featureLayers: [featureLayer],
rows: 'auto',
groupingEnabled:false,
columns: 1
},'editorDiv');
templatePicker.startup();
var layerInfos = [{
'featureLayer':featureLayer,
'showAttachments':false,
'showDeleteButton':false,
'fieldInfos':[
{'fieldName':'name','label':'Name'},
{'fieldName':'email','label':'Email'},
{'fieldName':'phone','label':'Phone'},
{'fieldName':'note','label':'Details', 'stringFieldOption':esri.dijit.AttributeInspector.STRING_FIELD_OPTION_TEXTAREA},
{'fieldName':'notedate','label':'Date'}
]
}];
//define the editor settings
var settings = {
map: map,
templatePicker:templatePicker,
layerInfos:layerInfos
};
var params = {settings: settings};
//Create the editor widget
var editorWidget = new esri.dijit.editing.Editor(params);
editorWidget.startup();
//resize the info window (attribute inspector)
map.infoWindow.resize(295,245);
}
dojo.addOnLoad(init);
</script>
</head>
<body class="claro">
<div data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="design:'sidebar'" style="width:100%;height:100%;">
<div id="map" data-dojo-type="dijit.layout.ContentPane" data-dojo-props="region:'center'"></div>
<div id="leftPane" data-dojo-type="dijit.layout.ContentPane" style="width:100px;" data-dojo-props="region:'left'">
<div id="editorDiv"></div>
<div></div>
</div>
</div>
</body>
</html>