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.
PSParthiban Sundaram Syncfusion Team November 2, 2017 12:51 PM UTC
Hi Sam,
Thanks for using Syncfusion Products.
You can achieve this requirement by extending the ChartBehavior class and override the OnDraw method. In this method, we can drawn the average dashed line on top of the series. We have prepared a sample for your requirement and it can be downloaded from the below location.