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copied!<p>I need some help from you in using igTree when LoadOnDemand is set to true. I have a WCF REST Service which is giving me data to populate in igTree.</p> <p>Please find the sample code..</p> <pre><code>$.ajax( { type: "GET", url: "AssessmentProcWCFService.svc/GetAllEntities", contentType: "application/json; charset=utf-8", dataType: 'json', data: '{}', cache: false, success: OnGetAllEntitiesSuccess, error: OnGetAllEntitiesFailure }); </code></pre> <p>==================================================</p> <pre><code>function OnGetAllEntitiesSuccess(categoryList) { $("#APTreeView").igTree({ animationDuration: 0, dataSourceType: 'json', dataSource: categoryList.d, initialExpandDepth: false, loadOnDemand: true, dataSourceUrl: "AssessmentProcWCFService.svc/GetAllCategories?EntityID=primaryKey:id", bindings: { textKey: 'text', valueKey: 'id', primaryKey: 'id', expanded: 'expanded', childDataProperty: 'children' } }); } </code></pre> <p>=========================================================</p> <p>Questions:-</p> <ol> <li><p>How could I send the selected node ID to the Service when any node of the tree is expanding? The way I am sending in the above example it is not working when I am retrieving it in the service “public List GetAllCategories()” like “string entityID = HttpContext.Current.Request.QueryString["EntityID"];” I am getting entity id as null.</p></li> <li><p>How the tree get rendered when any node get expanded if LoadOnDemand is true?</p></li> </ol> <p>Please help me on this I have spend lot of time in it.</p>

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