EXTJS 同步请求

//=================Get=====================

var xxid = document.getElementById('xxid').value;//拿到id的值
var _conn = Ext.lib.Ajax.getConnectionObject().conn;
_conn.open("GET", 'BLL/ModuleBusiness/Project/Operation.aspx?cmd=view&id=' + id + '&rand=' + Math.round(Math.random() * (10000 - 1)).toString(), false);
_conn.send(null);
if (connxm.status != "200") {
    Ext.MessageBox.alert("警告", "服务器错误,请联系管理员");
} else {
  data=_conn.responseText;
    //接着对返回的值操作
}

//==================Post=======================

var xxid = document.getElementById('xxid').value;//拿到id的值
var _conn = Ext.lib.Ajax.getConnectionObject().conn;
_conn.open("POST", 'BLL/ModuleBusiness/Project/Operation.aspx', false);
_conn.send("cmd=view&id=' + id + '&rand=' + Math.round(Math.random() * (10000 - 1)).toString()");
if (connxm.status != "200") {
    Ext.MessageBox.alert("警告", "服务器错误,请联系管理员");
} else {
    data=_conn.responseText;
    //接着对返回的值操作
}

///////////关键是要设置false这个参数///////////////

 

C#:

  switch (Request["cmd"])
 {

  case "view":
   Response.Write(project.ProjectInfoForView(Request["id"]));//ProjectInfoForView为根据id查询详情的方法
   break;

  case "...":
    Response.Write(project.ProjectInfoForView(Request["id"]));
   break;

 

.

.

.

   default:
    break;

}