Merge pull request #3872 from IgniteUI/mtihova/fix-3831

Pass correct body for http request in hierarchical grid load on demand sample

Author: Mariela Tihova

src/app/hierarchical-grid/hierarchical-grid-lod/hierarchical-grid-lod.component.ts

@@ -63,7 +63,7 @@ export class HierarchicalGridLoDSampleComponent implements OnInit, AfterViewInit
             ignoreCase: false,
             condition: IgxNumberFilteringOperand.instance().condition('greaterThanOrEqualTo'),
             conditionName: IgxNumberFilteringOperand.instance().condition('greaterThanOrEqualTo').name,
-            searchVal: '500'
+            searchVal: 500
         });
 
         const customersTree = new FilteringExpressionsTree(FilteringLogic.And, undefined, 'Customers', ['customerId', 'companyName', 'contactName', 'contactTitle']);