Update README.md

Author: abooarulraj

README.md

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-# create-a-numeric-textbox-in-a-blazor-server-application
+# Create a Numeric Textbox in a Blazor Server Application
+
 A quick-start project that helps you create the Blazor Numeric Textbox of Syncfusion in a Blazor server application. This sample explains how to add prominent features like range validation, value formatting and setting decimal precision to it.
+
+Watch the video now:<coming soon>
+
+Documentation: https://blazor.syncfusion.com/documentation/numeric-textbox/getting-started
+
+Online example: https://blazor.syncfusion.com/demos/numeric-textbox/default-functionalities
+
+## Project prerequisites
+Make sure that you have the compatible version of .NET Core on your machine before starting to work on this project. You also need the following:
+* [Visual Studio 2019 (version 16.4+)]( https://visualstudio.microsoft.com/downloads)
+* [.NET Core SDK 3.1.201+](https://dotnet.microsoft.com/download/dotnet-core/3.1)
+
+## How to run this application
+To run this application, you need to first clone or download the ‘Create a Numeric Textbox in a Blazor Server Application’ repository and then open it in Visual Studio 2019. Now, build and run your project to view the output.
+
+## Further help
+To get more help, check the [ASP.NET Core Blazor documentation](https://docs.microsoft.com/en-us/aspnet/core/blazor).