<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Jyson程序之路]]></title><description><![CDATA[忘不了一路上的点点滴滴，因为有你陪着]]></description><link>https://blog.youkuaiyun.com/jys1216</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jys1216]]></copyright><item><title><![CDATA[Git SSH Key 生成步骤]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/70048814</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/70048814</guid><author>jys1216</author><pubDate>Tue, 11 Apr 2017 10:55:44 +0800</pubDate><description><![CDATA[GitLab/Git
 是分布式的代码管理工具，远程的代码管理是基于SSH的，所以要使用远程的Git则需要SSH的配置。

github的SSH配置如下：

一 、

设置Git的user name和email：
$ git config --global user.name "xuhaiyan"$ git config --global user.email "haiyan.xu]]></description><category></category></item><item><title><![CDATA[Html.RenderPartial和Html.Partial在Razor视图中的区别]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/12911193</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/12911193</guid><author>jys1216</author><pubDate>Mon, 21 Oct 2013 15:10:33 +0800</pubDate><description><![CDATA[两者都可以输出一个Partial视图；其区别如下：

1. Partial有返回值(MvcHtmlString)；RenderPartial没有返回值(Void)。

2. Partial输出到临时变量StringWriter ；RenderPartial输出到HtmlHelper.ViewContext.Writer上（即直接输出到Response)。



3、在Razor视图]]></description><category></category></item><item><title><![CDATA[Web 不安全代码只会在使用 /unsafe 编译的情况下出现]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/12614355</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/12614355</guid><author>jys1216</author><pubDate>Fri, 11 Oct 2013 11:57:16 +0800</pubDate><description><![CDATA[网上很多都说 ：
原因是：在编译的代码里面有不安全类型unsafe方法或类！
　　解决方法：将项目的“可编译不安全代码”属性设置为true就可以了，方法如下：项目属性对话框->配置属性->生成->允许不安全代码块 设为\"true\"



但在web项目中没有这个选项，因而
在web.conf 的 configuration 中 加入如下：]]></description><category></category></item><item><title><![CDATA[对一个或多个实体的验证失败。有关详细信息，请参见“EntityValidationErrors”属性]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/12128321</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/12128321</guid><author>jys1216</author><pubDate>Sat, 28 Sep 2013 14:13:53 +0800</pubDate><description><![CDATA[在EF5.0修改实体的时候，出现“对一个或多个实体的验证失败。有关详细信息，请参见“EntityValidationErrors”属性这个错误
修改：
SaveChanges前先关闭验证实体有效性（ValidateOnSaveEnabled）这个开关

如：

 db.Configuration.ValidateOnSaveEnabled = false;
 int count = d]]></description><category></category></item><item><title><![CDATA[集合已修改；可能无法执行枚举操作。]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/12049675</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/12049675</guid><author>jys1216</author><pubDate>Thu, 26 Sep 2013 14:24:30 +0800</pubDate><description><![CDATA[msdn的解释：foreach 语句是对枚举数的包装，它只允许从集合中读取，不允许写入集合。


也就是,不能在foreach里遍历的时侯把它的元素进行删除或增加的操作的



将注释的写法改为：


            //foreach (var tempOrderId in _OrderListForDataTime.Keys)
            //{]]></description><category></category></item><item><title><![CDATA[MVC4 绑定下拉框方法，解决编辑时不绑定值]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/10476331</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/10476331</guid><author>jys1216</author><pubDate>Wed, 28 Aug 2013 23:26:07 +0800</pubDate><description><![CDATA[后台：
        public ActionResult Modify(int id)
        {
            //3.1.1 检查id
            //3.1.2根据id查询数据
            Models.Student stu = (from s in db.Students where s.Id == id select s).FirstO]]></description><category></category></item><item><title><![CDATA[MVC4 ViewResult String ActionResult 区别]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/10476219</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/10476219</guid><author>jys1216</author><pubDate>Wed, 28 Aug 2013 23:22:30 +0800</pubDate><description><![CDATA[/// 直接返回 字符串的 Action方法，适用于 不需要返回大量 html代码的业务（类似于一般处理程序）
        /// 
        /// 
        public string Index()
        {
            return "哇哈哈哈哈哈~~~~";
        }

        /// 
        /// 会 加载视图 的 ]]></description><category></category></item><item><title><![CDATA[.NET 发送邮件取回密码类]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/9930479</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/9930479</guid><author>jys1216</author><pubDate>Mon, 12 Aug 2013 17:07:38 +0800</pubDate><description><![CDATA[using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Xml.Linq;
using System.Text;
using System.Net.Mail;
using System.Net;
using System.IO;

n]]></description><category></category></item><item><title><![CDATA[Ajax.BeginForm返回方法OnSuccess]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/9105939</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/9105939</guid><author>jys1216</author><pubDate>Sun, 16 Jun 2013 14:34:20 +0800</pubDate><description><![CDATA[Ajax.BeginForm返回方法OnSuccess = "refresh"


在后台Controller里return Content("OK");
前台：
    function refresh(e) {
        if (e.toString() == "OK") {
            alert("评论成功！");
            window.l]]></description><category></category></item><item><title><![CDATA[CSS+DIV实现鼠标经过背景变色]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/8960641</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/8960641</guid><author>jys1216</author><pubDate>Wed, 22 May 2013 15:26:06 +0800</pubDate><description><![CDATA[实现鼠标经过背景变色的方法有很多，今天我们介绍的是用CSS+DIV实现的方法。

方法一





以下为引用的内容：
#div:hover{background:#000000;}






解释:鼠标经过id为div的元素时背景变色

    IE6.0、Firefox2.0、Opera 9.23都不行

方法二





以下为引用的内容]]></description><category></category></item><item><title><![CDATA[C#语言中提供了枚举和整型之间的强制转换功能]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/8868563</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/8868563</guid><author>jys1216</author><pubDate>Tue, 30 Apr 2013 00:36:05 +0800</pubDate><description><![CDATA[C#语言中提供了枚举和整型之间的强制转换功能，但这仅限于没有给枚举类型中各个元素指定基础类型值的情况， 如下：
enum Days {Sat, Sun, Mon, Tue, Wed, Thu, Fri};
其中Sat的值是0， Sun是1，以此类推， 这时如果要将整型值转换为枚举类型，可以直接作显式强类型转换即可，
int i_day = 1;
Days day = (Days) i_da]]></description><category></category></item><item><title><![CDATA[使网站首页变灰色，遮罩滤镜]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/8852158</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/8852158</guid><author>jys1216</author><pubDate>Thu, 25 Apr 2013 22:40:14 +0800</pubDate><description><![CDATA[html
        {
            filter: grayscale(100%);
            -webkit-filter: grayscale(100%);
            -moz-filter: grayscale(100%);
            -ms-filter: grayscale(100%);
            -o-filte]]></description><category></category></item><item><title><![CDATA[Html.RenderPartial的三个参数的用法 用法实例]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/8712568</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/8712568</guid><author>jys1216</author><pubDate>Sun, 24 Mar 2013 13:36:58 +0800</pubDate><description><![CDATA[后台代码：

            ViewBag.smallCategory = categoryService.LoadEntities(m=>m.ParentID==(short)Model.Enum.CategoryEnum.ProductTrade);
            ViewData["Total"] = classInfoService.LoadEntities(m =]]></description><category></category></item><item><title><![CDATA[winform读写.ini文件]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7456386</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7456386</guid><author>jys1216</author><pubDate>Fri, 13 Apr 2012 09:28:25 +0800</pubDate><description><![CDATA[1、在头部引用
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section,
            string key,string val,string filePath);

        [DllImport("kerne]]></description><category></category></item><item><title><![CDATA[“ImageButton”的控件“ctl00_ContentPlaceHolder1_logbutton”必须放在具有 runat=server 的窗体标记内]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7219403</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7219403</guid><author>jys1216</author><pubDate>Mon, 30 Jan 2012 12:46:23 +0800</pubDate><description><![CDATA[一些需要在server端运行的控件，如：
click="closeonline"   runat="server">    

    
  必须要放在   


里   
即 
  ion=""   runat=server>  

        click="closeonline"   runat="server">    

  
这样才能正常运行。]]></description><category></category></item><item><title><![CDATA[C# Dictionary 通过Keys获取Values]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7101865</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7101865</guid><author>jys1216</author><pubDate>Sun, 25 Dec 2011 22:57:08 +0800</pubDate><description><![CDATA[Dictionary dic = new Dictionary();
                dic.Add("txt", "notepad.exe");
                dic.Add("bmp", "paint.exe");
                //通过键获取值，输入结果是"notepad.exe"
                MessageBo]]></description><category></category></item><item><title><![CDATA[C#委托的一些应用，个人肤浅的一些操作]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7027035</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7027035</guid><author>jys1216</author><pubDate>Wed, 30 Nov 2011 14:43:00 +0800</pubDate><description><![CDATA[分别建立两个窗口（Form1，Form2），各在窗口拉两个textbox,在Form2的textbox里输入文字，Form1的textbox文本框里显示一模一样的内容
Form1的代码如下：
    public partial class Form1 : Form
    {
        public Form1()
        {
            Initializ]]></description><category></category></item><item><title><![CDATA[读取sql server表的字段名，字段类型，字段长度，字段属性的sql语句]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7025233</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7025233</guid><author>jys1216</author><pubDate>Tue, 29 Nov 2011 22:26:18 +0800</pubDate><description><![CDATA[SELECT table_name AS 数据表名,
column_name AS 字段名,
ISNULL(column_default,'') AS 默认值,
is_nullable AS 是否允许为NULL,
data_type AS 数据类型,
ISNULL(ISNULL(ISNULL(character_maximum_length,numeric_precision),date]]></description><category></category></item><item><title><![CDATA[winform调用config文件]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7020440</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7020440</guid><author>jys1216</author><pubDate>Mon, 28 Nov 2011 17:40:46 +0800</pubDate><description><![CDATA[<add name="zxz" connectionString="Data Source=192.168.1.81;Database=SMRS;User id=sa;PWD=reasee#1206"
providerName="System.Data.SqlClient" />
  
  
    
  

 

在方案里添加：1）添加引用System.Configuratio]]></description><category></category></item><item><title><![CDATA[winform登录时，在密码框按下回车，直接登陆]]></title><link>https://blog.youkuaiyun.com/jys1216/article/details/7019469</link><guid>https://blog.youkuaiyun.com/jys1216/article/details/7019469</guid><author>jys1216</author><pubDate>Mon, 28 Nov 2011 14:27:46 +0800</pubDate><description><![CDATA[//按回车,焦点跳到密码文本框
        private void txtUserName_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == '\r')
            {
                txtPassword.Focus();]]></description><category></category></item></channel></rss>