C# 如何通过代码设置内容查询Web部件中的行限制？

我需要一个内容查询web部件，它可以将最近10个修改或添加的文档返回到该特定网站上的任何文档库中

如何按代码添加行限制

ContentByQueryWebPart cqwp = new ContentByQueryWebPart();
                                cqwp.ContentTypeBeginsWithId = "0x0101008E49C3D400044AB3A2F1DD14073E74F6001D06D12572244BE3A11AAEE3ED60F576";
                                cqwp.WebUrl = SPContext.Current.Web.ServerRelativeUrl;
                                cqwp.Title = "Last Updated Documents";                                
                                string query = @"<Where> "+
                                                    ""+
                                                "</Where>"+
                                                "<OrderBy> "+
                                                    "<FieldRef Name='Modified'  Ascending='FALSE'/> "+
                                                "</OrderBy>";
                                cqwp.QueryOverride = query;
                                cqwp.ListsOverride =  "<Lists ServerTemplate='101'></Lists>";
                                cqwp.WebsOverride = "<Webs Recursive='False' />";
                                cqwp.ViewFieldsOverride = @"<ViewFields> " +
                                                                "<FieldRef Name='Type' Nullable='True' Type='Text'/> " +
                                                                "<FieldRef Name='Name' Nullable='True' Type='Text'/> " +
                                                                "<FieldRef Name='ContentType' Nullable='True' Type='Text'/> " +
                                                                "<FieldRef Name='Modified' Nullable='True' Type='DateTime'/> " +
                                                                "<FieldRef Name='Modified By' Nullable='True' Type='Text'/> " + 
                                                            "</ViewFields>";                               

                                mgrPageManager.AddWebPart(cqwp, "Footer", 0);
                                mgrPageManager.SaveChanges(cqwp);

ContentByQueryWebPart cqwp=新ContentByQueryWebPart（）；
cqwp.ContentTypeBeginsWithId=“0x0101008E49C3D400044AB3A2F1DD14073E74F6001D06D12572244BE3A11A1AEE3ED60F576”；
cqwp.WebUrl=SPContext.Current.Web.ServerRelativeUrl；
cqwp.Title=“上次更新的文档”；
字符串查询=@“”+
""+
""+
" "+
" "+
"";
cqwp.QueryOverride=查询；
cqwp.listsoferride=“”；
cqwp.WebsOverride=“”；
cqwp.ViewFieldsOverride=@“”+
" " +
" " +
" " +
" " +
" " + 
"";                               
mgrPageManager.AddWebPart（cqwp，“页脚”，0）；
mgrPageManager.SaveChanges（cqwp）；

也许这个参数会对您有所帮助。？：

也许这个参数会对您有所帮助。？：