Works only inside highlight.js/extra/cshtml-razor directory. See Language Contribution Guide

            @using System.Threading
            @using System.Threading.Tasks
            @using System.Net.Http
            @using System.Text.Json
            <DxDataGrid T="@WebApiOrder" CustomData="@LoadOrderData("foo")" ShowFilterRow="true">
                <Columns>
                    <DxDataGridComboBoxColumn T="@(WebApiCustomerLookup)" TextFieldName="Text" ValueFieldName="Value"
                                            CustomData="@LoadCustomerData" Field="@nameof(WebApiOrder.CustomerID)" Width="300px" />
                    <DxDataGridDateEditColumn Field="@nameof(WebApiOrder.OrderDate)" Width="180px" />
                    <DxDataGridSpinEditColumn Field="@nameof(WebApiOrder.Freight)" DisplayFormat="c" Width="180px" />
                    <DxDataGridColumn Field="@nameof(WebApiOrder.ShipCountry)" Width="210px" />
                    <DxDataGridComboBoxColumn T="@(WebApiShipperLookup)" TextFieldName="Text" ValueFieldName="Value"
                                            CustomData="@LoadShipmentData" Field="@nameof(WebApiOrder.ShipVia)" Width="220px" />
                </Columns>
            </DxDataGrid>
        

            @if(true) {
                var inCSharp = true;
                <text>xml</text>
                <div class="foo">content</div>
                @while(true) {
                    <div class="bar">content</div>
                }
            }
            @code {
                var a = 123;
                var b = false;
            }
        

            Hello @owner from html
Hello @owner["test"] from html
Hello @owner.test from html
Hello @ownerfrom html
Hello @owner
from html
sample@email.com
@@escapedat
        

                @section Footer {
                    <div class="view">
                        footer
                    </div>
                }