feat(IgxGrid): adden getRowData public method #7930

Author: ddincheva

projects/igniteui-angular/src/lib/grids/grid-base.directive.ts

@@ -4129,6 +4129,28 @@ export abstract class IgxGridBaseDirective extends DisplayDensityBase implements
         }
     }
 
+    /**
+     * Returns the data that is contained in the row component.
+     * @remarks
+     * If the primary key is not specified the row selector match the row data.
+     * @example
+     * ```typescript
+     * const data = grid.getRowData({
+     *       ProductID: 1, ProductName: 'Spearmint', InStock: true, UnitsInStock: 1, OrderDate: new Date('2005-03-21')
+     *   });
+     * const data = grid.getRowData(94741);
+     * ```
+     * @param rowSelector correspond to rowID
+     */
+    public getRowData(rowSelector: any) {
+        if (!this.primaryKey) {
+            return rowSelector;
+        }
+        const data = this.gridAPI.get_all_data(this.transactions.enabled);
+        const index = this.gridAPI.get_row_index_in_data(rowSelector);
+        return index < 0 ? {} : data[index];
+    }
+
     /**
      * Sort a single `IgxColumnComponent`.
      * @remarks