如何将以下 JSON 响应转换为 C# 对象?
{
"err_code": "0",
"org": "CGK",
"des": "SIN",
"flight_date": "20120719",
"schedule": [
["W2-888","20120719","20120719","1200","1600","03h00m","737-200","0",[["K","9"],["F","9"],["L","9"],["M","9"],["N","9"],["P","9"],["C","9"],["O","9"]]],
["W2-999","20120719","20120719","1800","2000","01h00m","MD-83","0",[["K","9"],["L","9"],["M","9"],["N","9"]]]
]
}