成员的完整列表，这些成员属于 FineUIPro.GridSortEventArgs,包括所有继承而来的类成员

ColumnID	FineUIPro.GridSortEventArgs
ColumnIndex	FineUIPro.GridSortEventArgs
GridSortEventArgs(string sortField, string sortDirection, int columnIndex, string columnID)	FineUIPro.GridSortEventArgs
GridSortEventArgs(string[] sortFieldArray)	FineUIPro.GridSortEventArgs
SortDirection	FineUIPro.GridSortEventArgs
SortField	FineUIPro.GridSortEventArgs
SortFieldArray	FineUIPro.GridSortEventArgs