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ÎÒÏëʵÏÖ:Óû§ÔÚµã»÷Ò³ÃæµÄÌá½»°´Å¥(server¶Ë°´Å¥),ÏÈͨ¹ýÒ³ÃæAJAX¼ì²éÒ³ÃæÊý¾Ý,ÔÙ¸ù¾ÝÑéÖ¤µÄ½á¹û¾ö¶¨ÊÇ·ñÌá½»Êý¾Ý(Ìá½»Êý¾ÝµÄ´úÂëÊÇͨ¹ýSERVER¶Ë´úÂëÌá½»µÄ.
ÎÒÓÃÒÔÏ·½·¨,·¢ÏÖϵͳʵÏÖ²»ÁË:
1.ÉèÖð´Å¥´¥·¢Ò»¸ö¿Í»§¶Ëµã»÷ʼþºÍÒ»¸ö·þÎñÆ÷µã»÷ʼþ(¿Í»§¶ËÆôÓÃAJAXÑéÖ¤,·þÎñÆ÷ÓÃ×÷Ìá½»Êý¾Ý),´úÂëÈçÏÂ:HTML code:
<asp:LinkButton ID="btSave" runat="server" Height="15px" Text="±£´æÐÅÏ¢" Visible="False" OnClick="btSave_Click" OnClientClick="return CheckFieldDataOnClient()" />
2.ÔÚ¿Í»§¶Ë´úÂëÖÐÆôÓÃAJAXµ÷ÓÃ,´úÂë¼ò»¯ÈçÏÂ:JScript code:
var xmlHttp;
var bCheckResult; //ÓÃ×÷ÅжÏAJAXÑéÖ¤½á¹ûµÄ²ÎÊý
function CheckFieldDataOnClient()
{
//´´½¨¼°´ò¿ªXMLHTTP,¼°·¢ËÍÇëÇó,¾ßÌå´úÂëÂÔ(Åųý´úÂë´íÎóµÄ¿ÉÄÜ)
//ÉèÖÃÑéÖ¤·µ»Øº¯Êý:OnReadyFunction
return bCheckResult ;
}
function OnReadyFunction()//½ÓÊÕXMLHTTPÑéÖ¤·µ»ØÊý¾ÝµÄº¯Êý
{
//½ÓÊÕÑéÖ¤Êý¾Ý,Èç¹ûÑé֤ͨ¹ý:
bCheckResult = true;
//Èç¹ûÑéÖ¤²»Í¨¹ý;
bCheckResult = false;
}
·þÎñÆ÷Ìá½»³ÌÐò:C# code:
protected int SaveData()
{
//Ìá½»Êý¾Ý.´úÂëÂÔ.
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JScript code:
function callback() {
alert(18); //²âÊÔÊÇ·ñµ÷ÓÃÁËcallback»Øµ÷º¯Êý
if (httpRequest.readyState==4) {
if(httpRequest.status==200){
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