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private void MakeLegend(IActiveView activeView,IPageLayout pageLayout)
      {
          //¶¨ÒåͼÀýUID¶ÔÏó
          UID uid = new UIDClass();
          uid.Value="esriCore.Legend";       
          //ÉèÖÃͼÀý´æ·ÅµÄ×ø±êλÖà               
          //¶¨Ò嵥λ
          pageLayout.Page.Units = esriUnits.esriCentimeters;
          //µÃµ½²ÝͼÈÝÆ÷¶ÔÏó
          IGraphicsContainer container = pageLayout as IGraphicsContainer;
          //µÃµ½µ±Ç°µØÍ¼µÄ¿ò¼Ü
          IMapFrame frameElement = container.FindFrame(activeView.FocusMap) as IMapFrame;
          IElement mapElement = frameElement as IElement;
 
          IEnvelope mapEnv = mapElement.Geometry.Envelope;   
          IEnvelope envelope = new EnvelopeClass();
          //ͨ¹ýµ±Ç°µØÍ¼¿ò¼ÜµÃµ½Ïà¶ÔλÖÃ
          envelope.PutCoords(mapEnv.XMin, mapEnv.YMin, mapEnv.XMin + 6.5, mapEnv.YMin + 0.8);
          IMapSurroundFrame frame = frameElement.CreateSurroundFrame(uid, null);            
          ILegend legend = frame.MapSurroun


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ÈçºÎ¼ÆËãMS SQLÓï¾äÖ´ÐеÄʱ¼ä»¹ÓÐc#


MSSQL:
declare @begin datetime
declare @End datetime
set @begin=getdate()
   --Ö´ÐеÄÓï¾äдÔÚÕâÀï
set @End=getdate()
select datediff(millisecond,@begin,@End) as Ö´ÐеÄʱ¼ä
--millisecond±íʾºÁÃë Èç¹û¿´Ãë¿ÉÒÔʹÓÃss
C#:
ºÜ¶àʱº ......

C#ÖÐʹÓÃDataTableÏÔʾAccessÊý¾Ý¿âÖÐÎļþÁбí


private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
             this.comboBox2.Items.Clear();
            switch(this.comboBox1.SelectedIndex)
       ......

ASP.NET(C#)ÖÐweb.configÎļþÏê½â

Ò»¡¢ÈÏʶWeb.configÎļþ
   Web.config ÎļþÊÇÒ»¸öXMLÎı¾Îļþ£¬ËüÓÃÀ´´¢´æ ASP.NET Web Ó¦ÓóÌÐòµÄÅäÖÃÐÅÏ¢£¨Èç×î³£ÓõÄÉèÖÃASP.NET Web Ó¦ÓóÌÐòµÄÉí·ÝÑéÖ¤·½Ê½£©£¬Ëü¿ÉÒÔ³öÏÖÔÚÓ¦ÓóÌÐòµÄÿһ¸öĿ¼ÖС£µ±Äãͨ¹ý.NETн¨Ò»¸öWebÓ¦ÓóÌÐòºó£¬Ä¬ÈÏÇé¿öÏ»áÔÚ¸ùĿ¼×Ô¶¯´´½¨Ò»¸öĬÈϵÄWeb.configÎļþ£¬°üÀ¨Ä¬ÈÏ ......

c#xmlµÄÔöɾ¸Ä²é


ÒÑÖªÓÐÒ»¸öXMLÎļþ£¨bookstore.xml£©ÈçÏ£º  
  <?xml   version="1.0"   encoding="gb2312"?>  
  <bookstore>  
      <book   genre="fantasy"   ISBN="2-3631-4">  
       &n ......

C# Active¿Ø¼þ£¬²¢´¥·¢javascriptʼþ

´´½¨Ò»¸öWinformÓû§¿Ø¼þ UserControl1
 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Reflection;
namespace MyActiveT ......
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