kb(grid):add kb for saving state in wasm

components/grid/state.md

@@ -26,6 +26,7 @@ This article contains the following sections:
 * [Information in the Grid State](#information-in-the-grid-state)
 * [Examples](#examples)
 	* [Save and Load Grid State from Browser LocalStorage](#save-and-load-grid-state-from-browser-localstorage)
+    * [Save and Load Grid State in a WebAssembly application](#save-and-load-grid-state-in-a-webassembly-application)
 	* [Set Grid Options Through State](#set-grid-options-through-state)
 	* [Set Default (Initial) State](#set-default-initial-state)
 	* [Get and Override User Action That Changes The Grid](#get-and-override-user-action-that-changes-the-grid)
@@ -376,6 +377,9 @@ public class LocalStorage
 }
 ````
 
+### Save and Load Grid State in a WebAssembly application
+The [knowledge base article for saving the Grid state in a WASM application]({%slug grid-kb-save-state-in-webassembly%}) explains two ways of storing the `Grid` state - through a custom controller and a custom service that calls the browser's LocalStorage.
+
 ### Set Grid Options Through State
 
 The grid state allows you to control the behavior of the grid programmatically - you can, for example, set sorts, filteres, expand hierarhical rows, collapse groups.

knowledge-base/grid-save-state-in-webassembly.md

@@ -0,0 +1,19 @@
+---
+title: How to save Grid state in a WebAssembly application?
+description: How to save Grid state in a WebAssembly project?
+page_title: Save Grid State in WASM
+slug: grid-kb-save-state-in-webassembly
+position: 
+tags: grid,state,wasm,webassembly,save
+res_type: kb
+---
+
+
+## Description
+
+How to save the Grid State in a WASM project? How to save the Grid State in a WebAssembly through a controller? How to save the Grid State in a WebAssembly from the browser's LocalStorage? 
+
+
+## Solution
+
+An example is available in the following project: [https://github.com/telerik/blazor-ui/tree/master/grid/save-state-in-wasm-through-controller](https://github.com/telerik/blazor-ui/tree/master/grid/save-state-in-wasm-through-controller).