Method PostUpdatePOLineItem

using System.Net;
using Newtonsoft.Json.Linq;

public void MethodName(parms)
{
   string uri = "http://localhost/FusionServices/v2/Naviline/ProductInventory/UpdatePOLineItem";
   System.Collections.Specialized.NameValueCollection postParms = 
     new System.Collections.Specialized.NameValueCollection(); 
   // Set paramater values
   postParms.Add("action",System.Web.HttpUtility.UrlEncode("U"));
   postParms.Add("poNumber",System.Web.HttpUtility.UrlEncode("021029"));
   postParms.Add("buildingCode",System.Web.HttpUtility.UrlEncode("RH"));
   postParms.Add("poLineNumber",System.Web.HttpUtility.UrlEncode("003"));
   postParms.Add("commodityCode",System.Web.HttpUtility.UrlEncode("FAN"));
   postParms.Add("subCommodityCode",System.Web.HttpUtility.UrlEncode("FAN"));
   postParms.Add("itemQuantity",System.Web.HttpUtility.UrlEncode("000001234"));
   postParms.Add("itemUnitOfMeasure",System.Web.HttpUtility.UrlEncode("EA"));
   postParms.Add("itemCost",System.Web.HttpUtility.UrlEncode("00000632951"));
   postParms.Add("returnCredit",System.Web.HttpUtility.UrlEncode("Y")); optional

   WebClient req = new WebClient();
   wc.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
   wc.Headers.Set("X-APPID", "YOURID");
   wc.Headers.Set("X-APPKEY", "YOURKEY");

   byte[] responseBytes = wc.UploadValues(new Uri(uri), "POST", postParms);
   string stringResult = Encoding.UTF8.GetString(responseBytes); 
   JObject response = JObject.Parse(stringResult);
   string error = response["OutputParms"]["ErrorCode"].ToString();
   if (error == "0000")
   {
         // TODO - YOUR CODE HERE
   }
}

using System;
using System.Linq;
using System.Web;
using System.ComponentModel.DataAnnotations;
using System.Collections.Specialized;
using FusionServiceHelper.Models;

// NOTE: Use the namespace generated when you add the class, so that it is correct.
namespace FusionRazor.Models
{
   public class PostUpdatePOLineItem
   {
       // Add property for each input param in order to map a field to it
       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,1}$).*", ErrorMessage = "Must be 1 characters or less. ")]
       public string action{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,6}$).*", ErrorMessage = "Must be 6 characters or less. ")]
       public string poNumber{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,2}$).*", ErrorMessage = "Must be 2 characters or less. ")]
       public string buildingCode{get; set;}

       [RegularExpression("^(?=.{0,3}$).*", ErrorMessage = "Must be 3 characters or less. ")]
       public string poLineNumber{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,3}$).*", ErrorMessage = "Must be 3 characters or less. ")]
       public string commodityCode{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,3}$).*", ErrorMessage = "Must be 3 characters or less. ")]
       public string subCommodityCode{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,9}$).*", ErrorMessage = "Must be 9 characters or less. ")]
       public string itemQuantity{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,3}$).*", ErrorMessage = "Must be 3 characters or less. ")]
       public string itemUnitOfMeasure{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,11}$).*", ErrorMessage = "Must be 11 characters or less. ")]
       public string itemCost{get; set;}

       [RegularExpression("^(?=.{0,1}$).*", ErrorMessage = "Must be 1 characters or less. ")]
       public string returnCredit{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,5}$).*", ErrorMessage = "Must be 5 characters or less. ")]
       public string itemNumber{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,50}$).*", ErrorMessage = "Must be 50 characters or less. ")]
       public string itemDesc{get; set;}

       [RegularExpression("^(?=.{0,50}$).*", ErrorMessage = "Must be 50 characters or less. ")]
       public string accountNumber{get; set;}

       [RegularExpression("^(?=.{0,6}$).*", ErrorMessage = "Must be 6 characters or less. ")]
       public string projectNumber{get; set;}

       [Required(ErrorMessage = "Required")]
       [RegularExpression("^(?=.{0,1}$).*", ErrorMessage = "Must be 1 characters or less. ")]
       public string fleetCostCode{get; set;}

       [RegularExpression("^(?=.{0,5}$).*", ErrorMessage = "Must be 5 characters or less. ")]
       public string fleetEquipNum{get; set;}

       [RegularExpression("^(?=.{0,7}$).*", ErrorMessage = "Must be 7 characters or less. ")]
       public string fleetJobNum{get; set;}

       [RegularExpression("^(?=.{0,5}$).*", ErrorMessage = "Must be 5 characters or less. ")]
       public string fleetJobRepairNum{get; set;}

       [RegularExpression("^(?=.{0,9}$).*", ErrorMessage = "Must be 9 characters or less. ")]
       public string fleetWorkOrderNum{get; set;}

       [RegularExpression("^(?=.{0,3}$).*", ErrorMessage = "Must be 3 characters or less. ")]
       public string fleetWorkOrderJobNum{get; set;}

       public PostUpdatePOLineItem()
       {
           //Set any defaults here
       }
   }
}

@* NOTE: Use Add->View to add the View. *@
@* NOTE: Check the 'Create strongly-typed view checkbox, and select the PostUpdatePOLineItem class. *@
@* NOTE: Select Edit as the Scaffold template. *@
@* NOTE: Use the @model line that is generated at the top.  Replace the rest with the lines below.
@model FusionRazor.Models.PostUpdatePOLineItem

@{
   ViewBag.Title = "PostUpdatePOLineItem";
}

<h2>PostUpdatePOLineItem</h2>
@using (Html.BeginForm()) {
   @Html.AntiForgeryToken()
   @Html.ValidationSummary(true)
   <fieldset>
   <legend>PostUpdatePOLineItem</legend>
       <div class="editor-label">
           @Html.LabelFor(model => model.action)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.action)
           @Html.ValidationMessageFor(model => model.action)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.poNumber)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.poNumber)
           @Html.ValidationMessageFor(model => model.poNumber)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.buildingCode)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.buildingCode)
           @Html.ValidationMessageFor(model => model.buildingCode)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.poLineNumber)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.poLineNumber)
           @Html.ValidationMessageFor(model => model.poLineNumber)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.commodityCode)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.commodityCode)
           @Html.ValidationMessageFor(model => model.commodityCode)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.subCommodityCode)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.subCommodityCode)
           @Html.ValidationMessageFor(model => model.subCommodityCode)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.itemQuantity)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.itemQuantity)
           @Html.ValidationMessageFor(model => model.itemQuantity)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.itemUnitOfMeasure)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.itemUnitOfMeasure)
           @Html.ValidationMessageFor(model => model.itemUnitOfMeasure)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.itemCost)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.itemCost)
           @Html.ValidationMessageFor(model => model.itemCost)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.returnCredit)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.returnCredit)
           @Html.ValidationMessageFor(model => model.returnCredit)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.itemNumber)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.itemNumber)
           @Html.ValidationMessageFor(model => model.itemNumber)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.itemDesc)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.itemDesc)
           @Html.ValidationMessageFor(model => model.itemDesc)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.accountNumber)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.accountNumber)
           @Html.ValidationMessageFor(model => model.accountNumber)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.projectNumber)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.projectNumber)
           @Html.ValidationMessageFor(model => model.projectNumber)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetCostCode)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetCostCode)
           @Html.ValidationMessageFor(model => model.fleetCostCode)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetEquipNum)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetEquipNum)
           @Html.ValidationMessageFor(model => model.fleetEquipNum)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetJobNum)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetJobNum)
           @Html.ValidationMessageFor(model => model.fleetJobNum)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetJobRepairNum)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetJobRepairNum)
           @Html.ValidationMessageFor(model => model.fleetJobRepairNum)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetWorkOrderNum)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetWorkOrderNum)
           @Html.ValidationMessageFor(model => model.fleetWorkOrderNum)
       </div>
       <div class="editor-label">
           @Html.LabelFor(model => model.fleetWorkOrderJobNum)
       </div>
       <div class="editor-field">
           @Html.EditorFor(model => model.fleetWorkOrderJobNum)
           @Html.ValidationMessageFor(model => model.fleetWorkOrderJobNum)
       </div>
       <p>
       <input type="submit" value="Submit"/>
       </p>
   </fieldset>

}

@section Scripts {
   @Scripts.Render("~/bundles/jqueryval")
}

using System;
using System.Collections.Specialized;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using FusionServiceHelper.Models;

// NOTE: Replace 'MyController' with the name of your controller.

// 
// GET: /MyController/PostUpdatePOLineItem
public ActionResult PostUpdatePOLineItem()
{
   // Create a new instance of the model to pick up any default values.
   PostUpdatePOLineItem model =  new PostUpdatePOLineItem();

   // pass model to set to default values
   // NOTE: Change 'MyFolderPath' to the path to the .cshtml file.
   return View("~/Views/MyFolderPath/PostUpdatePOLineItem.cshtml", model);
}

// 
// POST: /MyController/PostUpdatePOLineItem
[HttpPost]
public ActionResult PostUpdatePOLineItem(FormCollection collection)
{
   string url = "v2/Naviline/ProductInventory/UpdatePOLineItem";
   // Get the value from each input field
   NameValueCollection inputParms = new NameValueCollection();
   inputParms.Add("action", collection["action"]);
   inputParms.Add("poNumber", collection["poNumber"]);
   inputParms.Add("buildingCode", collection["buildingCode"]);
   inputParms.Add("poLineNumber", collection["poLineNumber"]);
   inputParms.Add("commodityCode", collection["commodityCode"]);
   inputParms.Add("subCommodityCode", collection["subCommodityCode"]);
   inputParms.Add("itemQuantity", collection["itemQuantity"]);
   inputParms.Add("itemUnitOfMeasure", collection["itemUnitOfMeasure"]);
   inputParms.Add("itemCost", collection["itemCost"]);
   inputParms.Add("returnCredit", collection["returnCredit"]);
   inputParms.Add("itemNumber", collection["itemNumber"]);
   inputParms.Add("itemDesc", collection["itemDesc"]);
   inputParms.Add("accountNumber", collection["accountNumber"]);
   inputParms.Add("projectNumber", collection["projectNumber"]);
   inputParms.Add("fleetCostCode", collection["fleetCostCode"]);
   inputParms.Add("fleetEquipNum", collection["fleetEquipNum"]);
   inputParms.Add("fleetJobNum", collection["fleetJobNum"]);
   inputParms.Add("fleetJobRepairNum", collection["fleetJobRepairNum"]);
   inputParms.Add("fleetWorkOrderNum", collection["fleetWorkOrderNum"]);
   inputParms.Add("fleetWorkOrderJobNum", collection["fleetWorkOrderJobNum"]);

   try
   {
       // Send the request
       FusionServiceRequest request = new FusionServiceRequest();
       FusionServiceResult result = request.Post(url, inputParms);

       return View("Result", result);
   }
   catch(Exception e)
   {
       HandleErrorInfo info = new HandleErrorInfo(e, "MyController", "PostUpdatePOLineItem");
       return View("Error", info);
   }
}