MyDataContext context = new MyDataContext();
var count=context.Related_Huge_Table_Data.where(o=>o.Parentid==id).Count();
//or
int count=context.Database.SqlQuery<int>("select count(1) from Related_Huge_Table_Data where Parentid="+id).FirstOrDefault();
请检查上面的代码,并告诉我如何在此定价表格中添加单选按钮和下拉按钮。你也可以在这里查看 JS Fiddle