How can I change my excel orientation to landscape and set borders
Hello Kevin,
To change the orientation of the excel worksheet you can refer the following API document:
http://www.igniteui.com/help/api/2016.1/ig.excel.Orientation
http://www.igniteui.com/help/api/2016.1/ig.excel.DisplayOptions#methods:gridlineColor
You can refer the same link to know all the other properties and available options for igExcel.
Please let me know If you need further assistance.