//删除SmtpMail数据 protected void btnSmtpDelete_Click(object sender, EventArgs e) { DateTime dteFromDate, dteToDate; dteFromDate = Convert.ToDateTime(SmtpMailStartDate.Value.ToString()).Date; dteToDate = Convert.ToDateTime(SmtpMailEndDate.Value.ToString()).Date; dbMailBox DB = new dbMailBox("Smtp"); DB.DelTables(dteFromDate, dteToDate); }