https://blog.youkuaiyun.com/qiulei563zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/qiulei563/article/details/6082853https://blog.youkuaiyun.com/qiulei563/article/details/6082853qiulei563Fri, 17 Dec 2010 17:59:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/6079407https://blog.youkuaiyun.com/qiulei563/article/details/6079407qiulei563Thu, 16 Dec 2010 10:53:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/6050194https://blog.youkuaiyun.com/qiulei563/article/details/6050194qiulei563Thu, 02 Dec 2010 15:06:00 +0800求polygon1，polygon2两个面相交的面积
IGeometry pGeometry1 = polygon1 as IGeometry;
IGeometry pGeometry2 = polygon2 as IGeometry;
ITopologicalOperator pTopo = pGeometry1 as ITopologicalOperator;
IGeometry pGeometry = pTopo.Intersect(pGeometr]]>https://blog.youkuaiyun.com/qiulei563/article/details/6028817https://blog.youkuaiyun.com/qiulei563/article/details/6028817qiulei563Tue, 23 Nov 2010 09:34:00 +0800//不太常用，标记       
public IGeometryCollection CutPolygon(IPolygon polygon,IPolyline polyline)
        {
            if (polygon == null || polyline == null)
            {
                return null;
            }
  ]]>https://blog.youkuaiyun.com/qiulei563/article/details/5981844https://blog.youkuaiyun.com/qiulei563/article/details/5981844qiulei563Tue, 02 Nov 2010 13:55:00 +0800  select id from t where num is null
  可以在num上设置默认值0，确保表中num列没有null值，然后这样查询：
  select id from t where]]>https://blog.youkuaiyun.com/qiulei563/article/details/5940439https://blog.youkuaiyun.com/qiulei563/article/details/5940439qiulei563Thu, 14 Oct 2010 11:59:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/5938491https://blog.youkuaiyun.com/qiulei563/article/details/5938491qiulei563Wed, 13 Oct 2010 15:33:00 +0800Web前台使用地图瓦片，JS拼装；后台使用asp.net引用Arcengine提供GIS服务。
 
1. 简单点查询
（1）引用
    using ESRI.ArcGIS.Geodatabase;
    using ESRI.ArcGIS.DataSourcesFile;
    using ESRI.ArcGIS.esriSystem;
 
（2）ArcEngine的Licence认证
     IA]]>https://blog.youkuaiyun.com/qiulei563/article/details/5938365https://blog.youkuaiyun.com/qiulei563/article/details/5938365qiulei563Wed, 13 Oct 2010 14:47:00 +0800 
ArcGIS Engine 提供分级许可，是否正确配置许可直接关系到程序的能够运行。本文整理了一下ArcGIS Engine 许可初始化的两种方式。
AE的License初始化有两种方式：
1、采用LicenseControl控件初始化
我想这也是大部分的开发者所采用的。但要注意的是，AE的License有着同ArcGIS Desktop一样的级别控制。可以在控件的属性中设置;
但更要注意的是，千万不要贪多而勾选我多个级别的License。L]]>https://blog.youkuaiyun.com/qiulei563/article/details/5874118https://blog.youkuaiyun.com/qiulei563/article/details/5874118qiulei563Thu, 09 Sep 2010 19:19:00 +08001.修改SQL Server的sa用户密码
exec sp_password null,'新密码','sa'；
 
2.MySQL的密码修改
mysql> SET PASSWORD FOR ''@'localhost' = PASSWORD('newpwd');]]>https://blog.youkuaiyun.com/qiulei563/article/details/5873114https://blog.youkuaiyun.com/qiulei563/article/details/5873114qiulei563Thu, 09 Sep 2010 13:04:00 +0800From:  http://smalldust.cnblogs.com/archive/2006/03/08/345561.html
 
 
测试：
1.准备HTML




https://blog.youkuaiyun.com/qiulei563/article/details/5872922https://blog.youkuaiyun.com/qiulei563/article/details/5872922qiulei563Thu, 09 Sep 2010 11:35:00 +0800    第一步，为整个项目创建一个VSS数据库（在VSS服务器安装时，系统已经创建了一个缺省数据库Common），启动Visual SourceSafe6.0 Admin（Start/Programs/Mi]]>https://blog.youkuaiyun.com/qiulei563/article/details/5871622https://blog.youkuaiyun.com/qiulei563/article/details/5871622qiulei563Wed, 08 Sep 2010 18:35:00 +08001.类中定义菜单变量
  private IToolbarMenu mapMenu;//toc控件右键地图菜单
  private IToolbarMenu layerMenu;//toc控件右键图层菜单
  并在菜单中初始化
    private void MainForm_Load(object sender, EventArgs e)
        {
            //get the MapControl
https://blog.youkuaiyun.com/qiulei563/article/details/5867942https://blog.youkuaiyun.com/qiulei563/article/details/5867942qiulei563Tue, 07 Sep 2010 10:36:00 +0800DataTable具有很多Sql的强大功能

常规统计
privatevoid ComputeBySalesSalesID(DataSet dataSet)
{
    // Presumes a DataTable named "Orders" that has a column named "Total."
    DataTable table;
    table = dataSet.Tables["Orders"];]]>https://blog.youkuaiyun.com/qiulei563/article/details/5798130https://blog.youkuaiyun.com/qiulei563/article/details/5798130qiulei563Mon, 09 Aug 2010 10:21:00 +0800 
线转多边形：方法一：在Arcmap中，编辑状态下，将目标层设置为多边形要素类，选择构成多边形的线段，单击topology工具条上的创建要素工具并选择容限值即可。不需要创建拓扑。方法二：在ArcCatalog中，只能由同一个要素集中的线，多边形和点要素创建新的多边形要素。右键单击包含源线要素（和多边形，点要素等）的要素集，选择new－》Polygon feature class from lines，命名新的要素类并设置容限值，选择需要的线要素（或多边形要素），还可以选择用来赋予新多]]>https://blog.youkuaiyun.com/qiulei563/article/details/5677349https://blog.youkuaiyun.com/qiulei563/article/details/5677349qiulei563Fri, 18 Jun 2010 09:36:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/5577069https://blog.youkuaiyun.com/qiulei563/article/details/5577069qiulei563Tue, 11 May 2010 08:34:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/5495791https://blog.youkuaiyun.com/qiulei563/article/details/5495791qiulei563Sat, 17 Apr 2010 09:26:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/5439995https://blog.youkuaiyun.com/qiulei563/article/details/5439995qiulei563Thu, 01 Apr 2010 08:48:00 +0800https://blog.youkuaiyun.com/qiulei563/article/details/5335887https://blog.youkuaiyun.com/qiulei563/article/details/5335887qiulei563Mon, 01 Mar 2010 15:01:00 +0800 "jsjsjsjsjs" 方法2. var ArrayTest]]>https://blog.youkuaiyun.com/qiulei563/article/details/5174812https://blog.youkuaiyun.com/qiulei563/article/details/5174812qiulei563Mon, 11 Jan 2010 15:24:00 +0800