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oad()·½·¨
    load( url [,data] [,callback])    dataÊÇObjectÀàÐÍ£¬·¢ËÍÖÁ·þÎñÆ÷µÄkey/valueÊý¾Ý
        Àý£º
$(function(){
     $("#send").click(function(){
         $("#resText").load("test.html");  //½«test.htmlµÄÄÚÈݼÓÔØµ½idΪ“resText”µÄÔªËØÀï
     });
});
        $("#resText").load("test.html  .para");   //url²ÎÊýµÄÓï·¨½á¹¹Îª"url selector"£¬Ê¾ÀýÖÐÖ»Ðè¼ÓÔØtest.html ÖÐclassΪparaµÄÄÚÈÝ
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    $("restText").load("test.php",function(){....});  //ûÓÐdata²ÎÊý£¬²ÉÓÃget·½Ê½
    $("restText").load("test.php",{name:"rain",age:"22"},function(){....})  //ÓÐdata²ÎÊý£¬²ÉÓÃpost·½Ê½
    
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    ¸Ãº¯ÊýÓÐ3¸ö²ÎÊý£¬·Ö±ð´ú±íÇëÇ󷵻صÄÄÚÈÝ¡¢ÇëÇó״̬ ºÍ XMLHttpRequest¶ÔÏó
    $("#restText").load("test.html",function(responseText,textStatus,XMLHttpRequest){
            //responseText:ÇëÇ󷵻صÄÄÚÈÝ
            //textStatus:ÇëÇóµÄ״̬£ºsuccess£¬error£¬notmodified£¬timeout 4ÖÖ
            //XMLHttpRequest£ºXMLHttpRequest¶ÔÏó
    });


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create table stockImages
( imageid int primary key identity(1,1),
  [filename] varchar(50),
  img varbinary(max))
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insert into stockImages
select '·ç¾°',bulkcolumn
from openrowset(bulk 'd:\\img.jpg',single_blob) as x
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Ajax±íµ¥Ìá½»Êý¾Ý³öÏÖÂÒÂëºÍ½â¾ö°ì·¨
   //Òª´«µÝµÄ²ÎÊý
   var queryString = "firstName=" + firstName + "&lastName=" + lastName
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ajaxÇëÇó²»·µ»Øhtml´úÂëµÄÈýÖÖ·½Ê½
ajaxÇëÇó´úÂ룺
function ajaxSend() {
$.ajax({
url: “Test_Ajax.aspx”,
type: “post”,
data: { name: “ajax” },//Èç¹ûÇëÇóµÄ×ÔÉíÒ³Ãæ£¬ÎªÁËÔÚºǫ́ÅжÏÊDz»ÊÇajaxÇëÇó
error: function(xhr, textStatus, errorThown) {
alert(errorThown) ......
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