C# & Json-P2(進階款)
@@ 看不太懂..有感json愈來愈流行...不過先記錄起來...

using System.Collections.Generic;
using System.Web.Script.Serialization; 

private Dictionary<string, object> ReadJsonInput(string inputJson)
    {
        Dictionary<string, object> dict = new Dictionary<string, object>();
        JavaScriptSerializer jss = new JavaScriptSerializer();
        object obj = jss.DeserializeObject(inputJson);
        dict = (Dictionary<string, object>)obj;
        return dict;
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        string strGra="";
        strGra += "{";
        strGra += "    'graphics':";
        strGra += "    [";
        strGra += "       {";
        strGra += "        'geometry':{'x':296788,'y':2766834,'spatialReference':{'wkid':102443}},";
        strGra += "        'symbol':{'color':[0,0,0,255],'size':13,'angle':0,'xoffset':0,'yoffset':0,'style':'gra','url':'A.gif'},";
        strGra += "        'infoTemplate':{'title':'標題A','content':'TIP訊息A'}";
        strGra += "        },";               
        strGra += "        {";
        strGra += "        'geometry':{'x':296080,'y':2767295,'spatialReference':{'wkid':102443}},";
        strGra += "        'symbol':{'color':[0,0,0,255],'size':13,'angle':0,'xoffset':0,'yoffset':0,'style':'gra','url':'B.gif'},";
        strGra += "        'infoTemplate':{'title':'標題B','content':'TIP訊息B'}";
        strGra += "        },";               
        strGra += "        {";
        strGra += "        'geometry':{'x':296335,'y':2766921,'spatialReference':{'wkid':102443}},";
        strGra += "        'symbol':{'color':[0,0,0,255],'size':13,'angle':0,'xoffset':0,'yoffset':0,'style':'gra','url':'C.gif'},";
        strGra += "        'infoTemplate':{'title':'標題C','content':'TIP訊息C'}";
        strGra += "        }";
        strGra += "    ]";
        strGra += "}";
       
        Dictionary<string, object> dictG = new Dictionary<string, object>();
        dictG = ReadJsonInput(strGra);

        Dictionary<string, object>.ValueCollection dictG2 = dictG.Values;
        foreach (Object[] dictG3 in dictG2)
        {
            foreach (Dictionary<string, object> dictItem in dictG3)
            {
                Object dgxy = (Object)dictItem;
                Object x = ((Dictionary<string, object>)((Dictionary<string, object>)dgxy)["geometry"])["x"];
                Object y = ((Dictionary<string, object>)((Dictionary<string, object>)dgxy)["geometry"])["y"];               
                Object url = ((Dictionary<string, object>)((Dictionary<string, object>)dgxy)["symbol"])["url"];
                Object title = ((Dictionary<string, object>)((Dictionary<string, object>)dgxy)["infoTemplate"])["title"];

                Response.Write("x=" + x.ToString() + ",y=" + y.ToString() + ",url = " + url.ToString()+",title=" + title.ToString() + "<br>");
            }
        }           
    }