closedxml empty cell
// Clearing a range
ws.Range("B1:C2").Clear();
// Clearing a row in a range
ws.Range("B4:C5").Row(1).Clear();
// Clearing a column in a range
ws.Range("E1:F4").Column(2).Clear();
// Clear an entire row
ws.Row(7).Clear();
// Clear an entire column
ws.Column("H").Clear();