How to set decimalplaces

hi

i want to put a decimal value with 4 decimal places into cell

i used the below code

excel.Worksheets[0].Cells[i , j].Style.Number = 4;

but it is showing 2 decmalsplaces only, how to set this to 4 decimal places

You can try:

excel.Worksheets[0].Cells[i , j].Style.Custom = "#,##0.0000";