public static string SendPostRequestWithHeaderAndBody(string apiUrl,
Dictionary <string, string> headerData, Dictionary <string, object> postData)//multipart/form-data
{
string strJsonData = "";
try
{
HttpWebRequest request = WebRequest.Create(apiUrl) as HttpWebRequest;
foreach (var item in headerData)
{
request.Headers.Add(item.Key, item.Value);
}
request = FormUpload.SetPostWebRequestWithBody(request, postData);
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
strJsonData = new StreamReader(response.GetResponseStream(), Encoding.UTF8).ReadToEnd();
}
catch (Exception ex)
{
throw ex;
}
return(strJsonData);
}
public static string SendPostRequestWithBody(string postURL,
Dictionary <string, object> postParameters)//multipart/form-data
{
HttpWebResponse response = FormUpload.MultipartFormDataPost(postURL, "", postParameters);
string strJsonData = new StreamReader(response.GetResponseStream(), Encoding.UTF8).ReadToEnd();
return(strJsonData);
}
public static HttpWebRequest SetPostWebRequestWithBody(HttpWebRequest request, Dictionary <string, object> postParameters)
{
string formDataBoundary = String.Format("----------{0:N}", Guid.NewGuid());
string contentType = "multipart/form-data; boundary=" + formDataBoundary;
byte[] formData = FormUpload.GetMultipartFormData(postParameters, formDataBoundary);
if (request == null)
{
throw new NullReferenceException("request is not a http request");
}
request.Method = "POST";
request.ContentType = contentType;
request.CookieContainer = new CookieContainer();
request.ContentLength = formData.Length;
using (Stream requestStream = request.GetRequestStream())
{
requestStream.Write(formData, 0, formData.Length);
requestStream.Close();
}
return(request);
}