August 16, 2016 20:46 by
PeterIn this today's tutorial, I will show you how to call rest API in ASP.NET. As the Internet industry progresses, creating a REST API becomes more concrete with emerging best practices.As RESTful web services don't follow a prescribed standard except for HTTP, it's important to build your RESTful API in accordance with industry best practices to ease development and increase client adoption. A RESTful API is an application program interface (API) that uses HTTP requests to GET, PUT, POST and DELETE data.
RESTful APIs explicitly take advantage of HTTP methodologies defined by the RFC 2616 protocol. They simply use "PUT" to change the state of or update a resource, which can be an object, file or block; "GET" to retrieve a resource; POST" to create that resource; and "DELETE" to remove it.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net;
using System.IO;
using System.Data;
using System.Data.Common;
using Golive_Web.Controller;
namespace Golive.Controller
{
public class APITEXT
{
Database database = new Database("GoliveAPI");
public DataTable GetAPI()
{
DbCommand cmd = database.GetStoredPocCommand("SP_TExt");
DataTable dtApi = database.ExecuteDataTable(cmd);
return dtApi;
}
public string GetData(String mobileNo, String ID, String APILink)
{
try
{
string XML = "<AccDtls>" + "<Request>" + "<RequestUUID>Req_" + ID + "</RequestUUID>" + "<ServiceRequestId>AcctInq</ServiceRequestId>" + "<ServiceRequestVersion>10.2</ServiceRequestVersion>" + "<ChannelId>CTS</ChannelId>" + "<AccID>" + mobileNo + "</AccID> " + "</Request>" + "</AccDtls>";
const string url = "http://100.98.2.208:6070/rbl/CTSFin";
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
request.ContentType = "application/xml"; //set the content type to JSON
request.Method = "POST"; //make an HTTP POST
#
region test# endregion
using(var streamWriter = new StreamWriter(request.GetRequestStream()))
{
var resToWrite = XML;
streamWriter.Write(resToWrite);
streamWriter.Flush();
streamWriter.Close();
}
// Get the response.
WebResponse response = request.GetResponse();
var streamReader = new StreamReader(response.GetResponseStream());
string result = streamReader.ReadToEnd();
return result;
}
catch (Exception)
{
throw;
}
}
}
}
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