The Syncfusion native Blazor components library offers 70+ UI and Data Viz web controls that are responsive and lightweight for building modern web apps.
.NET PDF framework is a high-performance and comprehensive library used to create, read, merge, split, secure, edit, view, and review PDF files in C#/VB.NET.
DADevi Aruna Maharasi Murugan Syncfusion Team February 14, 2017 09:11 AM UTC
Hi Issam,
Thanks for contacting Syncfusion Support.
We have achieved your requirement with the various properties of DoughnutSeries such as StartAngle, EndAngle, DoughnutCoefficient and DoughnutHoleSize property of SfChart.
We have prepared a demo sample based on your requirement and it can be downloaded from below link,