ASP.NET

How to date show in dd/MM/yyyy format in gridview….

protected void grvViewApp_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        dtinfo.ShortDatePattern = "dd/MM/yyyy";

        dtinfo.DateSeparator = "/";

        if (e.Row.RowType == DataControlRowType.Header)

        {

            e.Row.Cells[1].Text = "Enrollment No.";

            e.Row.Cells[6].Text = "Father's Name";

            e.Row.Cells[7].Text = "Diary No.";

            e.Row.Cells[8].Text = "Subject Date";

            e.Row.Cells[17].Text = "Annual Subject Fees";

        }

        if (e.Row.RowType == DataControlRowType.DataRow)

        {

            if (e.Row.Cells[8].Text == "" | e.Row.Cells[8].Text == " " && e.Row.Cells[5].Text == "" | e.Row.Cells[5].Text == " ")

            {

            }

            else

            {

                e.Row.Cells[8].Text = Convert.ToDateTime(e.Row.Cells[8].Text).ToString("dd/MM/yyyy");

                e.Row.Cells[5].Text = Convert.ToDateTime(e.Row.Cells[5].Text).ToString("dd/MM/yyyy");

            }

        }

    }