i’m calling
var blockCell = worksheet.Cells[
htmlBlock.OccupiedCells.StartRow,
htmlBlock.OccupiedCells.StartColumn
];
then just settings my html value
blockCell.HtmlString = html;
that equals to
<div style="…...margin: 20px;"> <h2 style="color: yellow;">Hello, this is a header</h2>...header</h2> <p style="color: blue; line-height: 1.5;">This is...