public JsonResult GetInstructorList()
{
var personBll = new ViewPersonInfoBll();
var instructorList = personBll.QueryList("PostId=" + AppSettings.InstructorPostId);
return(Json(ErrorModel.GetDataSuccess(instructorList)));
}
public JsonResult GetPersons()
{
var json = JqueryDataTableAjaxHelper.GetPageListJson(
Request,
(pageIndex, pageSize) =>
{
var viewBll = new ViewPersonInfoBll();
int totalCount;
var list = viewBll.QueryPageList(pageIndex, pageSize, "UpdateTime", true, out totalCount);
return(new KeyValuePair <int, object>(totalCount, list));
});
return(Json(json));
}
protected void Page_Load(object sender, EventArgs e)
{
// 本例证明了对引用类型来说，LINQ函数只是复制了对原集中对象的引用，而没有新创建一个对象
var li = new Person {
Name = "LI", Age = 32
};
var wang = new Person {
Name = "WANG", Age = 48
};
var list = new List <Person>();
list.Add(li);
list.Add(wang);
var subList = list.Where(person => person.Age == 32).ToList();
subList[0].Age = 22;
Response.Write(list[0].Age);
// 装箱与拆箱，观察值的变化
Point p = new Point(1, 1);
Response.Write(p);
p.Change(2, 2);
Response.Write(p);
object o = p;
Response.Write(o);
((Point)o).Change(3, 3);
Response.Write(o);
Response.Write("<br/><hr/><br/>");
// 反射调用带out参数的方法：跟普通反射调用方法一样，不过区别在于将传入的参数数组定义成变量，方法在执行完成后，out参数值会被更新到此数组变量中
var bll = new ViewPersonInfoBll();
var type = bll.GetType();
var arguments = new object[]
{
1, 1, "UpdateTime", true, 0
};
var data = type.InvokeMember("QueryPageList", BindingFlags.InvokeMethod, null, bll, arguments);
Response.Write("反射调用带out参数的方法：<br/>");
Response.Write("totalCount: " + arguments[4] + "<br/>");
Response.Write("data: " + JsonHelper.Serialize(data));
// 2016-08 字符串转换为DateTime类型的结果
Response.Write("<br/><hr/><br/>");
Response.Write("字符串'2016-08'转换为DateTime的结果：<br/>");
Response.Write(Convert.ToDateTime("2016-08"));
Response.Write("<br/><hr/><br/>");
// Request.Querystring与Request.Form的区别
var typeGet = Request.QueryString["type"];
Response.Write("通过Request.QueryString[\"type\"]获取的结果：" + typeGet);
Response.Write("<br/>");
var typePost = Request.Form["type"];
Response.Write("通过Request.Form[\"type\"]获取的结果：" + typePost);
}