private void button1_Click(object sender, EventArgs e)
        {
            var form = new TimeRangeSelection()
            {
                TimeRangeStartDate = _timerangeStart,
                TimeRangeEndDate   = _timerangeEnd,
                LabelMain          = "Time Range for telemetry"
            };

            if (form.ShowDialog() == DialogResult.OK)
            {
                _timerangeStart = form.TimeRangeStartDate;
                _timerangeEnd   = form.TimeRangeEndDate;
                DoLoadTelemetry(_entity, checkBoxShowOnlyErrors.Checked);
            }
        }
        private void comboBoxTimeProgram_SelectedIndexChanged(object sender, EventArgs e)
        {
            dataGridViewProgramsV.TimeFilter = ((ComboBox)sender).SelectedItem.ToString();

            if (dataGridViewProgramsV.TimeFilter == FilterTime.TimeRange)
            {
                var form = new TimeRangeSelection()
                {
                    TimeRange = dataGridViewProgramsV.TimeFilterTimeRange,
                    LabelMain = "Last Modified Time Range of Programs"
                };

                if (form.ShowDialog() == DialogResult.OK)
                {
                    dataGridViewProgramsV.TimeFilterTimeRange = form.TimeRange;
                }
                else
                {
                    // user cancelled timerange box TODO
                }
            }

            if (dataGridViewProgramsV.Initialized)
            {
                DoRefreshGridProgramV(false);
            }
        }