如何在附图中的点(3,3)和点(1,1)之间画一条线.
这是一个图表控件.使用c#的WinForms应用程序

private void Form1_Load(object sender, EventArgs e)
{
//chart1 is the name of the chart control
chart1.ChartAreas.Add("Area");
chart1.ChartAreas["Area"].AxisX.Minimum = 0;
chart1.ChartAreas["Area"].AxisX.Maximum = 10;
chart1.ChartAreas["Area"].AxisX.Interval = 1;
chart1.ChartAreas["Area"].AxisY.Minimum = 0;
chart1.ChartAreas["Area"].AxisY.Maximum = 10;
chart1.ChartAreas["Area"].AxisY.Interval = 1;
chart1.Series.Add("Node");
chart1.Series.Add("DG");
chart1.Series["Node"].Color = Color.Blue;
chart1.Series["DG"].Color = Color.Red;
chart1.Series["Node"].Points.Add(new DataPoint(1, 1));
chart1.Series["Node"].Points.Add(new DataPoint(8, 2));
chart1.Series["DG"].Points.Add(new DataPoint(3, 3));
chart1.Series["Node"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Point;
chart1.Series["DG"].ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Point;
}
Run Code Online (Sandbox Code Playgroud) 假设有一个person对象有很多ICollection而ObjectType2有Icollection
因此,要编辑属性,理论上您可以使用forloops进行深入搜索.但是什么是语法上更好的更好的方法.
例如,要编辑名为PP的属性,可以执行以下操作:
foreach (var item in PersonData)
{
foreach (var item2 in item.Staffs)
{
foreach (var item3 in item2.Employees)
{
foreach (var item4 in item3.EmployeePositions)
{
item4.PP = "test";
}
}
}
}
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但我正在寻找一些非常好的东西,例如:无论是通过linq还是其他方法.
为什么会
GroupPrincipal group = GroupPrincipal.FindByIdentity(getPrincipalContext(),
"TEST_DESTINATION_GRP");
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回来null?我知道TEST_DESTINATION_GRP群组织单位下存在的事实.
我的代码:
private void addUserToGroup(string userName, string groupName)
{
try
{
UserPrincipal user = UserPrincipal.FindByIdentity(getPrincipalContext(), IdentityType.SamAccountName, "jcolon");
GroupPrincipal group = GroupPrincipal.FindByIdentity(getPrincipalContext(), "TEST_DESTINATION_GRP");
//just to show that I can access AD
ArrayList x = getUserGroups(userName);
foreach (var xy in x)
{
Console.WriteLine(xy);
}//I can access AD FINE
if (group == null)
{ Console.WriteLine("Wtf!"); }
Console.WriteLine(user);
Console.WriteLine(group + "empty why!!!!");
}
catch (Exception e)
{
//log e
}
}
private PrincipalContext getPrincipalContext() …Run Code Online (Sandbox Code Playgroud) http://msdn.microsoft.com/en-us/library/system.web.mvc.httpdeleteattribute.aspx 表示用于限制操作方法的属性,以便该方法仅处理HTTP DELETE请求.
但这对于Mvc来说意味着什么呢?
@Html.ActionLink("delete", new {id= model.PrimaryKey})//
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这是删除请求吗?浏览器将如何区分
@Html.ActionLink("gridDisplay", new {id= model.PrimaryKey})//
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调节器
[HttpDelete] //what is this how does it know?
public action result delete()
{
delete();//web service deletes something just go with me here
}
public action result gridDisplay()
{
return view()
}
Run Code Online (Sandbox Code Playgroud) 如果我有两个这样的表:
表格1
Month 1 3
表2
Month 1 4
如何获得以下结果集?结果集
Month 1 3 4

我有两个盒子重叠的问题.我应该使用绝对定位吗?z-index还是有什么技术?顺便说一句,我希望它们重叠只是我想确保它适用于跨现代浏览器.IE8或+
我不能把黑匣子推到中心为什么?

<!DOCTYPE HTML>
<html>
<head>
<title>Metropolitan State Hospital Intranet</title>
<link rel="stylesheet" type="text/css" href="Home.css">
</head>
<body>
<div id="masthead">
<div id="logo">
Logo here
</div><!--end logo-->
<div id="header">
<div id="horizontalMainMenu">
<ul>
<li><a href="#">About Us |</a></li>
<li><a href="#">Contact Us |</a></li>
<li><a href="#">Metro Link |</a></li>
<li><a href="#">WaRMSS Login </a></li>
</ul>
<br style="clear:left;"><!--I used float:left in the css to stack the list items now I need to clear it-->
</div>
</div>
<!--end header-->
</div><!--end masthead-->
<div id="container">
<div id="left_col">
<div id="verticalMainMenu">
<ul>
<li><a href="#">Air Quality …Run Code Online (Sandbox Code Playgroud) 我将这个jquery函数添加到我的表单中.
$('#NewVarianceSubmitButton').click(function () {
$(this).attr("disabled", "disabled")
});
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现在,当我点击它时按钮被禁用但它不会将数据提交到数据库.如果我删除上面的代码,一切都提交到数据库就好了.我是否需要告诉jquery执行控制器操作?
$: = '/users/joecool/rubylib'
$: << '/users/joecool/rubylib'
$:.unshift('/users/joecool/rubylib')
ruby -c somescript.rb
ruby -e "puts 'Hello, world!'
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有人可以指导我阅读,以便我可以弄清楚这段代码的作用吗?
目的:有多个选项可以使用我的类的属性进行排序.我设法使用Comparable使用samAccountName排序,但未能正确实现IComparer.但是知道我收到了下面指定的错误.
错误:未实现接口成员System.Collections.Icomparer
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace ActiveDirectory
{
public class sortLastName : IComparer
{
int IComparer.CompareTo(Employee oEmployee, Employee oEmployee2)
{
return String.Compare(oEmployee.lastName, oEmployee2.lastName);
}
public static IComparer sortYearAscending()
{
return (IComparer)new sortLastName();
}
}
//The code works great when I make a call like
// List<Employee> x = new List<Employee>();
// x.sort();// sorts by samAccountName
// Now I would like to figure out how to sort by lastName and still be able to …Run Code Online (Sandbox Code Playgroud)