asp.net MVC ǰ̨jquery´«Öµ ºǫ́»ñÈ¡²»µ½

ǰ̨
C# code:

function LoadProvince() {
$("#province").empty();
//alert($("#region").val());
var url = "/ISC/GetProvince/" + $("#region").val();
$.getJSON(url, function(data) {
$.each(data, function(i, item) {
$("<option></option>")
.val(item["Value"])
.text(item["Text"])
.appendTo($("#province"));
});
});
}



ºǫ́Controller
C# code:

public ActionResult GetProvince(string regionGuid){¡£¡£¡£}



ºǫ́»ñÈ¡²»µ½¡£¡£¡£
ÎÒǰ̨´«¸øregionµÄValueÖµÊÇÒ»¸öGUIDÀàÐ͵ģ¬Í¨¹ý$("#region").val(); ÊDz»ÊǾͱä³ÉstringÀàÐ͵ÄÁË£¿È»ºóÎÒºǫ́»ñÈ¡stringÀàÐÍ ÔÙת³ÉGUIDÀàÐ͵ģ¬·¢ÏÖºǫ́»ñÈ¡µ½µÃÊǸö¿ÕÖµ¡£¡£¡£

Ôõô°ìÄØ£¿

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ºǫ́regionGuidÄÜ»ñÈ¡µ½ÖµÂð£¿

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ûÓÐÖµ ÊǸönull µ¼ÖÂguidÊÇÒ»´®0

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regionGuid null
guid 00000000-0000-0000-0000-000000000000

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