protected void StatusList_SelectedIndexChanged(object sender, EventArgs e)
        {
            ListViewFilterColumn fColumn = listSettings.FilterColumns.SingleOrDefault(fc => fc.ColumnName == "CurrentStatus");

            if (StatusList.SelectedValue == "any")
            {
                if (fColumn != null)
                {
                    listSettings.FilterColumns.Remove(fColumn);
                }
            }
            else
            {
                bool equality = (StatusList.SelectedValue != "open");
                if (fColumn == null)
                {
                    fColumn = new ListViewFilterColumn("CurrentStatus");
                    listSettings.FilterColumns.Add(fColumn);
                }

                fColumn.EqualityComparison = equality;
                fColumn.ColumnValue = (StatusList.SelectedValue == "open") ? "Closed" : StatusList.SelectedValue;

            }
            userSettings.Save();
            OnSettingsChanged();
        }
        protected void AssignedStaffUserList_SelectedIndexChanged(object sender, EventArgs e)
        {
            ListViewFilterColumn fColumn = listSettings.FilterColumns.SingleOrDefault(fc => fc.ColumnName == "AssignedTo");

            if (AssignedStaffUserList.SelectedValue == "anyone")
            {
                if (fColumn != null)
                {
                    listSettings.FilterColumns.Remove(fColumn);
                }
            }
            else
            {
                if (fColumn == null)
                {
                    fColumn = new ListViewFilterColumn("AssignedTo");
                    listSettings.FilterColumns.Add(fColumn);
                }


                if (AssignedStaffUserList.SelectedValue == "unassigned")
                {
                    fColumn.EqualityComparison = null;
                    fColumn.ColumnValue = null;
                }
                else
                {
                    fColumn.EqualityComparison = true;
                    fColumn.ColumnValue = AssignedStaffUserList.SelectedValue;
                }
            }
            userSettings.Save();
            OnSettingsChanged();
        }