Jquery調用WebMethod(PageMethod) NET2.0

必須在WebConfig下的system.web節點加入此配置信息
    <httpModules>
      <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    </httpModules>

 

 

ScriptMethod(ResponseFormat = ResponseFormat.Json)] [WebMethod] /// <summary> /// 是否允許註冊 /// </summary> /// <param name="MemberLoginID"></param> /// <returns></returns> public static MemberInfo AllowRegist(string MemberLoginID) { return new MemberInfo();//由於設置了返回類型是JSON,所以客戶端的JQ能夠識別 // MemberInfoBLL mi = new MemberInfoBLL(); //if (!mi.ExistMember(MemberLoginID)) //return "{d:true}";//我測試發現,客戶段在接收數據的時候,會多了2個雙引號,導致轉換JSON格式失敗..鬱悶 //else //return "{d:false}"; }$.ajax({ cache:false, type: 'POST', contentType: 'application/json; charset=utf-8', data: "{'MemberLoginID':'" + $("#<%=MemberLoginID.ClientID %>").val() + "'}", dataType: 'json', url: 'Reg.aspx/getDate', success: function(result,x,y) { alert(result); }, beforeSend:function (xhr) { xhr.setRequestHeader('If-Modified-Since', '0'); //this; // 調用本次AJAX請求時傳遞的options參數 }, error: function(e) { debugger; //alert("可能服務器忙沒有返回數據，請重試"); } });