SPView SPView.Clone(, rowlimit, paged, default), . , , Update() ( SPList.Items.Add()). , , , :
SPView thisView = thisList.DefaultView;
thisView = thisView.Clone("High Priority", 100, true, false);
thisView.Query = "<GroupBy Collapse=\"TRUE\" GroupLimit=\"100\"><FieldRef Name=\"dlCategory\" /></GroupBy><Where><Eq><FieldRef Name=\"dlPriority\"></FieldRef><Value Type=\"Number\">2</Value></Eq></Where>";
thisView.Update();
(thisList ) , , , "dlCategory" , "dlPriority" - 2.
, , , , , .