[英]How to call async Task using the .Net framework v3.5
如何调用异步任务框架 3.5 请帮助我。 我在我的 3.5 框架项目中调用这个方法,它显示了一个错误。任何替代方式使用框架 3.5 发布 json 数据这是我的代码:
public async void APIPushStatusDriverPostion(string direction,string carColor,string supplier_company,string SupplierAccountId,string Karho_Ref,string booking_id,string vehicale_type, string vehicle_id, string vehicle_plate, double latitude, double longitude, string carModel, string status, string driver_id, string driver_phone, string driver_first_name, string driver_last_name)
{
APIKarhoBookingProperties objbooking = new APIKarhoBookingProperties();
objbooking.vehicle.vehicle_type = vehicale_type;
objbooking.vehicle.vehicle_id = vehicle_id;
objbooking.vehicle.vehicle_plate = vehicle_plate;
objbooking.vehicle.latitude = latitude;
objbooking.vehicle.longitude = longitude;
objbooking.vehicle.eta_minutes = "null";
objbooking.vehicle.make = "null";
objbooking.vehicle.model = carModel;
objbooking.vehicle.color = carColor;
objbooking.vehicle.status = status;
objbooking.vehicle.driver_id = driver_id;
objbooking.vehicle.driver_phone = driver_phone;
objbooking.vehicle.driver_phone = driver_first_name;
objbooking.vehicle.driver_last_name = driver_last_name;
var json = JsonConvert.SerializeObject(objbooking);
using (var response = await httpClient.PostAsync("{supplier_id}/availability?version=2", json))
{
string responseData = await response.Content.ReadAsStringAsync();
}
}
使用 .Net 框架的 3.5 版本这是不可能的。 您的解决方案是:
WebClient
而不是HttpClient
,如果不是(例如:操作标HttpWebRequest
),则使用HttpWebRequest
对象: 下面是一个使用WebClient
类的示例。 根据您设置HttpClient
它可能无法正常工作:
using (WebClient client = new WebClient())
{
string responseData = client.UploadString(host + "{supplier_id}/availability?version=2", json);
}
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