SubSonic Collection Top 1

Question

在下一段代码中是否有办法只获得第一条记录？

Dal.TreeHtmlExportsCollection treeHtmlExportsCollection =
  new Dal.TreeHtmlExportsCollection().Where(Dal.TreeHtmlExports.Columns.TreeId, treeId).
  OrderByDesc(Dal.TreeHtmlExports.Columns.DateCreated).Load();

Answer 1

您可以使用查询工具执行此操作:(需要SubSonic 2.1)

var query = new Select()
     .Top("1")
     .From(TreeHtmlExports.Schema)
     .Where(TreeHtmlExports.Columns.TreeId).IsEqualTo(treeId)
     .OrderDesc(TreeHtmlExports.Columns.DateCreated);

treeHtmlExportCollection = query.ExecuteAsCollection<TreeHtmlExportsCollection>();

希望有所帮助!