Fixed state persistence sample- checking & unchecking options

Author: MarielaTihova

samples/grids/pivot-grid/state-persistence-main/src/index.ts

@@ -21,7 +21,7 @@ export class Sample {
 
     public options: IgcGridStateOptions = {
         cellSelection: true,
-        rowSelection: true,
+        columnSelection: true,
         filtering: true,
         sorting: true,
         expansion: true,
@@ -245,13 +245,14 @@ export class Sample {
         if (action === 'allFeatures') {
             var allCheckboxes = Array.from(document.getElementsByTagName("igc-checkbox"));
             allCheckboxes.forEach(cb => {
-                cb.checked = event.detail;
+                cb.checked = event.detail.checked;
             });
+
             for (const key of Object.keys(this.options)) {
-                (this.gridState.options as any)[key] = event.detail;
-            }
+                (this.gridState.options as any)[key] = event.detail.checked;
+            }        
         } else {
-            (this.gridState.options as any)[action] = event.detail;
+            (this.gridState.options as any)[action] = event.detail.checked;
             var allFeatures = document.getElementById("allFeatures") as IgcCheckboxComponent;
             allFeatures.checked = Object.keys(this.options).every(o => (this.gridState.options as any)[o]);
         }