diff --git a/ReadMe.md b/ReadMe.md
index 357d2a22..77cc1c14 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -10,7 +10,7 @@ Add your sample order in the `src/common/sampleOrder.json` with corresponding ca
 
 Note: Do not use whitespace at any cause in folder’s name. Use “-” instead of space.
 
-[Refer here](https://bitbucket.org/syncfusion/ej2-sample-browser/src/7740ab838973c7ebb3e970acb5246ff4c89ccd67/src/?at=master)
+[Refer here](https://github.com/syncfusion/ej2-samples/tree/master/src)
 
 ### Configure the folder and sample
 
@@ -18,7 +18,7 @@ Create the “sample.json” file inside of your control folder.  Create your sa
 
 Note: Do not use whitespace at any cause in file’s name. Use “-” instead of space.
 
-[Refer here](https://bitbucket.org/syncfusion/ej2-sample-browser/src/7740ab838973c7ebb3e970acb5246ff4c89ccd67/src/button/?at=master)
+[Refer here](https://github.com/syncfusion/ej2-samples/tree/master/src/button)
 
 ### Configure Sample JSON
 
@@ -230,15 +230,15 @@ Note: Here, The mentioned IP is your local machine IP Address.
 
 1.	In import statements in html file for a sample the package subdirectory shouldn’t be mentioned. Please refer the link given below.
 
-    https://gitlab.syncfusion.com/essential-studio/ej2-samples/blob/development/src/grid/events.ts#L3 
+    https://github.com/syncfusion/ej2-samples/blob/master/src/grid/events.ts#L3
 
 2.	In Base component dom and util are not available in the customer end. So, please don’t use the same. Please refer the link below.
 
-    https://gitlab.syncfusion.com/essential-studio/ej2-samples/blob/development/src/grid/events.ts#L3 
+    https://github.com/syncfusion/ej2-samples/blob/master/src/grid/events.ts#L3 
 
 3.	To add any icon in the samples use base64 font and don’t use any font files like ttf, woff, or svg externally. Please refer the link given below.
 
-    https://gitlab.syncfusion.com/essential-studio/ej2-samples/blob/development/src/toolbar/default.html#L5 
+    https://github.com/syncfusion/ej2-samples/blob/master/src/toolbar/default.ts#L13
 
     For example:
     ```
@@ -262,10 +262,10 @@ Note: Here, The mentioned IP is your local machine IP Address.
     
 4. For loading json files in the sample use import statements instead of require. Please refer the link given below.
 
-    https://gitlab.syncfusion.com/essential-studio/ej2-samples/blob/development/src/calendar/internationalization.ts#L9
+    https://github.com/syncfusion/ej2-samples/blob/master/src/auto-complete/custom-filtering.ts#L7
     
     ( For example: import * as testJson from '../common/cldr-data/supplemental/numberingSystems.json'; )
 
 5. If a New Component is added to TypeScript Sample Browser it’s package dependency should be added to the config in src/sys.js file.
 
-    ( For example: https://gitlab.syncfusion.com/essential-studio/ej2-samples/blob/development/src/sys.js#L19 )
\ No newline at end of file
+    ( For example: https://github.com/syncfusion/ej2-samples/blob/master/src/sys.js#L19 )
diff --git a/package.json b/package.json
index 4f50d85b..8cf4c15c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@syncfusion/ej2-samples",
-  "version": "20.2.36",
+  "version": "20.2.43",
   "description": "Samples for Syncfusion Essential JS 2",
   "author": "Syncfusion Inc.",
   "license": "SEE LICENSE IN license",
diff --git a/src/tree-grid/adaptive.ts b/src/tree-grid/adaptive.ts
index d5892b9f..f796fb73 100644
--- a/src/tree-grid/adaptive.ts
+++ b/src/tree-grid/adaptive.ts
@@ -28,9 +28,9 @@ TreeGrid.Inject(Page, Filter, Sort, Edit, Toolbar);
             editSettings: { allowAdding: true, allowEditing: true, allowDeleting: true, mode: 'Dialog' },
             toolbar: ['Add', 'Edit', 'Delete', 'Update', 'Cancel', 'Search'],
             columns: [
-                { field: 'taskID', headerText: 'Task ID', isPrimaryKey: true, width: 135, textAlign: 'Right' },
-                { field: 'taskName', headerText: 'Task Name', width: 280, textAlign: 'Left' },
-                { field: 'duration', headerText: 'Duration', width: 140, textAlign: 'Right' },
+                { field: 'taskID', headerText: 'Task ID', isPrimaryKey: true, validationRules: { required: true, number: true}, width: 135, textAlign: 'Right' },
+                { field: 'taskName', headerText: 'Task Name',validationRules: { required: true}, width: 280, textAlign: 'Left' },
+                { field: 'duration', headerText: 'Duration',validationRules: {required: true}, width: 140, textAlign: 'Right' },
                 { field: 'progress', headerText: 'Progress', width: 145, textAlign: 'Right' }
             ],
         });