Calendar show weekend disable in c#

Calendar show weekend disable.

     //code for day is weekend so disable to select event that day.

            if (e.Day.IsWeekend)

            {

                e.Cell.BackColor = System.Drawing.Color.White;

                e.Cell.ForeColor = System.Drawing.Color.Brown;

                e.Day.IsSelectable = false;

                e.Cell.Text = "Holyday";

            }