我想在我的链接中使用doPostBack功能.当用户点击它时,它不会重定向到另一个页面,页面将回发.我正在使用此代码,但它不起作用.我在哪里想念？
< a id="Sample" href="javascript:__doPostBack('__PAGE','');">
function __doPostBack(eventTarget, eventArgument)
{
var theform = document.ctrl2
theform.__EVENTTARGET.value = eventTarget
theform.__EVENTARGUMENT.value = eventArgument
theform.submit()
}
我在C#中有一个简单的应用程序.当我运行代码时,我没有得到预期的结果？.我得到2,2,1但我期待1,2,3
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication12
{
class Program
{
static void Main(string[] args)
{
MyList<int> list1 = new MyList<int>();
MyList<int> list2 = new MyList<int>();
MyList<double> list3 = new MyList<double>();
Console.WriteLine(list1.GetCount());
Console.WriteLine(list2.GetCount());
Console.WriteLine(list3.GetCount());
}
}
public class MyList<T>
{
static int _count;
public MyList()
{
_count++;
}
public int GetCount()
{
return _count;
}
}
}
我在c#中有以下代码片段
public class Client
{
public string ID { get; set; }
public string Name { get; set; }
public string Address { get; set; }
}
var liste = new List<Dictionary<string, string>>();
var dictionary = new Dictionary<string, string>();
dictionary["Id"] = "111";
dictionary["Name"] = "XYZ";
dictionary["Address"] = "Addd";
liste.Add(dictionary);
var result = liste.SelectMany(x => x);
//Code for Converting result into List<Client>
现在我想使用linq从结果查询中创建List
我在下面的代码片段中总结了我的问题
struct Point
{
public int X;
public int Y;
public Point(int x, int y)
{
this.X = x;
this.Y = y;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public void PrintValue()
{
Console.WriteLine(
"{0},{1}",
this.X, this.Y);
}
}
上面的struct是从包含GetHashCode方法的ValueType派生的.下面是一个派生自Object和包含GetHashCode方法的类版本.
class Point
{
public int X;
public int Y;
public Point(int x, int y)
{
this.X = x;
this.Y = y;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
public void PrintValue()
{
Console.WriteLine(
"{0},{1}", …我想用C#并行下载文件.为此,我编写了这个代码,它运行得很好,但问题是UI很冷.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
namespace FileDownloader
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
private static int count = 1;
private static string f= "lecture";
private string URL = "www.someexample.com";
public MainWindow()
{
InitializeComponent();
}
public …我有一个简单的c#控制台应用程序,但我输错了为什么？
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication11
{
class Program
{
static void Main(string[] args)
{
int i = 100;
for (int n = 0; n < 100; n++)
{
i = i++;
}
Console.WriteLine(i);
}
}
}
我有以下代码片段但输出错误.
class Program
{
static void Main(string[] args)
{
var i = 10000;
var j = 10000;
Console.WriteLine((object) i == (object) j);
}
}
我期待的是真的,但我变得虚伪
可能重复:
整数加总蓝调,短+ =短问题
我已将我的问题总结为以下代码片段.我有两个短变量,我将这两个变量添加到另一个短变量中,但我得到编译时错误.为什么会这样？
1.short x = 1, y = 1;
2.short z = x + y;
在第2行编译时间错误 编辑:
If short+short=int
then why int+int !=long
我只是想知道这两个陈述之间是否有任何性能差异
Page.IsPostBack
要么
IsPostBack