private void AlternatingSortByField(List <HRMISModel.Employee> employees, HRMISModel.Employee.EmployeeSortField employeeSortField,
int columnNum, string columnTitle, SortOrderEnum defaultSortOrder)
{
SortOrderEnum sortOrder;
if (ViewState[employeeSortField.ToString()] != null)
{
sortOrder = ViewState[employeeSortField.ToString()].ToString() == SortOrderEnum.Descending.ToString()
? SortOrderEnum.Ascending
: SortOrderEnum.Descending;
}
else
{
sortOrder = defaultSortOrder.ToString() == SortOrderEnum.Descending.ToString()
? SortOrderEnum.Descending
: SortOrderEnum.Ascending;
}
if (sortOrder == SortOrderEnum.Descending)
{
//倒序
gvMonthAttendanceList.Columns[columnNum].HeaderText = columnTitle +
"<img src='../../image/down.gif' border='0'/>";
ViewState[employeeSortField.ToString()] = SortOrderEnum.Descending.ToString();
SortBase.InsertionSort(employees,
new EmployeeComparer(employeeSortField, SortOrderEnum.Descending).Compare);
}
else
{
//正序
gvMonthAttendanceList.Columns[columnNum].HeaderText = columnTitle +
"<img src='../../image/up.gif' border='0'/>";
ViewState[employeeSortField.ToString()] = SortOrderEnum.Ascending.ToString();
SortBase.InsertionSort(employees,
new EmployeeComparer(employeeSortField, SortOrderEnum.Ascending).Compare);
}
}
