/// <summary>
/// Custom sort the datagrid since the actual records are stored in the
/// server, not in the items collection of the datagrid.
/// </summary>
/// <param name="sender">The parts data grid.</param>
/// <param name="e">Contains the column to be sorted.</param>
private void AssessmentsDataGrid_Sorting(object sender, DataGridSortingEventArgs e)
{
e.Handled = true;
DashboardModel mainViewModel = (DashboardModel)DataContext;
string sortField = String.Empty;
// Use a switch statement to check the SortMemberPath
// and set the sort column to the actual column name. In this case,
// the SortMemberPath and column names match.
switch (e.Column.SortMemberPath)
{
case ("Organisation"):
sortField = "Organisation";
break;
case ("Title"):
sortField = "Title";
break;
case ("ReportGenerationDate"):
sortField = "ReportGenerationDate";
break;
case ("CreatedDate"):
sortField = "CreatedDate";
break;
}
ListSortDirection direction = (e.Column.SortDirection != ListSortDirection.Ascending) ?
ListSortDirection.Ascending : ListSortDirection.Descending;
bool sortAscending = direction == ListSortDirection.Ascending;
mainViewModel.Sort(sortField, sortAscending);
currentSortColumn.SortDirection = null;
e.Column.SortDirection = direction;
currentSortColumn = e.Column;
currentSortDirection = direction;
}