Update README.md

Author: abooarulraj

README.md

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-# myflutterapp
+# How to load JSON data to a Flutter DataGrid
+A quick-start example to help you add the Syncfusion Flutter DataGrid to a Flutter app and load JSON data to it. You will learn how to fetch the JSON data from an online source and convert it to a list collection. You will also learn how to create the rows using the DataGridSource class using the list collection, and then bind the rows to the DataGrid.
 
-A new Flutter project.
+Watch the video: Coming soon...
 
-## Getting Started
+Documentation: https://www.syncfusion.com/kb/12646/how-to-populate-flutter-datatable-sfdatagrid-with-json-api
 
-This project is a starting point for a Flutter application.
+## Requirements to run the demo
+* [VS Code](https://code.visualstudio.com/download)
+* [Flutter SDK v2.0.0+](https://flutter.dev/docs/development/tools/sdk/overview)
+* [For more development tools](https://flutter.dev/docs/development/tools/devtools/overview)
 
-A few resources to get you started if this is your first Flutter project:
+## How to run this application
+To run this application, you need to first clone or download the ‘how to load json data to a flutter datagrid’ repository and open it in your preferred IDE. Then, build and run your project to view the output.
 
-- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
-
-For help getting started with Flutter, view our
-[online documentation](https://flutter.dev/docs), which offers tutorials,
-samples, guidance on mobile development, and a full API reference.
+## Further help
+For more help, check the [Syncfusion Flutter documentation](https://help.syncfusion.com/flutter/introduction/overview), or
+ [Flutter documentation](https://flutter.dev/docs/get-started/install).