添加query扩展、分页扩展
var list = db.Query().OrderBy(s => s.ID).ThenBy(s => s.ParamValue).Take(10).ToPageResult(0);
var sum = db.Query().Sum(s => s.ID);
var avg = db.Query
随便写的小型orm，目前只支持sql server
使用方式SQLContext db = new SQLContext(connStr);
var list= db.Query().ToList();
var pageResult= db.Query().ToPageResult(new SQL.PageHelper.PageBa
本文转自：https://code.msdn.microsoft.com/Support-Composite-Key-in-d1d53161
he default EntitySetController doesn't support composite keys. So if you have composite key models, you need some additional
本文转自：http://chris.eldredge.io/blog/2014/04/24/Composite-Keys/
In our basic configuration we told the model builder that our entity has a composite key comprised of an ID and a version:
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