Web Development

7-Apr-14 9:38

I'm VERY new to Web API and Web development in general.

I have a GetClient method in my controller.

[HttpGet]
public Response GetClient(int entityId)
{
	return BO.GetClient(entityId);
}

It returns a Response object:

[DataContract]
[Serializable]
public class Response
{
    [DataMember]
    public object Data { get; set; }

    [DataMember]
    public Result Result { get; set; }

    [DataMember]
    public string Message { get; set; }

    private Exception _Exception;
    [DataMember]
    public Exception Exception
    {
        get { return _Exception; }
        set
        {
            if (_Exception != value)
            {
                _Exception = value;

                Message = _Exception.Message;
                Result = Result.Failure;
                Data = null;
            }
        }
    }
}

When I call it I get back a null Response object. If I paste the ResponseUri into a browser it comes back with:

{"Data":{"ClientName":"MyClient","IsDirty":false,"RowState":4,"Id":1,"UniqueId":"00000000-0000-0000-0000-000000000000","IsActive":true,"IsDeleted":false,"CreatedByEmployee":null,"CreatedDate":null,"ModifiedByEmployee":null,
"ModifiedDate":null},"Result":0,"Message":"","Exception":null}

So it looks like some kind of serialization problem. I have no idea how to fix this,. Any thoughts on what to do:

Thanks

If it's not broken, fix it until it is

Richard Deeming7-Apr-14 10:33

7-Apr-14 10:33

Kevin Marois wrote:
When I call it I get back a null Response object.

How are you calling it? Are you specifying the same accept headers as the browser?

Try using Fiddler[^] to capture the working and broken requests to see what's different.

"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer

Kevin Marois7-Apr-14 12:34

7-Apr-14 12:34

None of the requests work. The data DOES come back from the back end into the controller, it's just that the objects don't appear to be serialized when they get passed to the front end.

If it's not broken, fix it until it is

Richard Deeming8-Apr-14 2:29

8-Apr-14 2:29

Kevin Marois wrote:
None of the requests work.

Kevin Marois wrote:
If I paste the ResponseUri into a browser it comes back with: (data)

So which is it? If you paste the URL into the browser, does it come back with data, or does it not work? Confused | :confused:

"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer

Kevin Marois8-Apr-14 4:49

Re: WEB API Serialization Problem? [UPDATED]

8-Apr-14 4:49

My UI calls through the proxy into the controllers, which calls to the DAL. The DAL returns a populated Response object back to the controllers. When the Responses get back to the proxy, they are always null.

If I paste the URI's into IE, I get back JSON with data in it. So it looks like some kind of serialization problem.

If it's not broken, fix it until it is

Kevin Marois27-Apr-14 17:15

Re: WEB API Serialization Problem? [UPDATED]

27-Apr-14 17:15

I am still stuck on this. I thought I might have solved it, but it's stil bot working.

None of my controller methods are deserializing the return objects. All methods return null.

However, if I paste the URL into a browser, it displays the JSON correctly. I have no clue what's wrong, and I don't know how to debugs this. I get no errors or other problem indicators.

Any ideas on what's wrong? Can you point me in the right direction for debugging this?

Thanks

[UPDATE]
I figured out the problem...

I'm using custom response objects that I'm returning from the all the way back to the UI. The base Response object has a property to hold the data. It is of type object, which from what I'm seeing in Google searches, cannot be deserialized. So the entire result object is being returned as null.

Any thoughts on what to do?

If it's not broken, fix it until it is

modified 28-Apr-14 0:59am.

Richard Deeming28-Apr-14 1:49

OAuth 2.0 SSL Certificate Requirements

28-Apr-14 1:49

How about making the base Response class a generic class, so that you have a strongly-typed property for your data?

"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer

Jammer4-Apr-14 1:15

Jammer

4-Apr-14 1:15

I'm about to deploy an application that comprises a web site (ASP.NET MVC) and an API (WebAPI) using OAuth 2.0 for security.

Currently all the calls to the API are done server side by the web site and will be configured to use SSL as will the web site itself.

My question is about the certificate requirements, it appears that this isn't really detailed in the spec so thought I'd throw this out for discussion.

What are peoples thoughts on the use of SSL certificates in this scenario?

Do you require multiple certificates? One for securing the site and another separate one used for dealing with the token creation or would it be safe/good practice to use a single certificate?

Thanks,

Jammer

Telerik / Kendo grid using t-no-data

littleGreenDude2-Apr-14 3:24

littleGreenDude

2-Apr-14 3:24

The following function used to work with the Telerik grid, but now that we have upgraded to Kendo, it no longer works.

JavaScript

function Grid_onLoad(e) {
  $('.t-no-data td').text('Loading Records...');

}

I expected Telerik to replace the .t-no-data class reference with .k-no-data, but they haven't. The .t-no-data reference is still used and appears in the document, but the function no longer behaves the same. The 'Loading Records...' message is never displayed.

Anybody using t-no-data for a similar purpose?

Re: Telerik / Kendo grid using t-no-data

littleGreenDude4-Apr-14 1:15

littleGreenDude

4-Apr-14 1:15

I got the answer, and I'm posting it here in case anybody else needs to do something similar.

Move the loading message to the tbody

dataSource = new kendo.data.DataSource({
            requestStart: function(){ 
              $("#grid tbody").text("Loading data...");
            },

Loading large XML file ( 222 MB) in HTML using java script problem

sma123#31-Mar-14 3:55

sma123#

31-Mar-14 3:55

Hi All,
I am trying to load large XML file(222 MB) using javascript for HTML format. It is taking a lot of time.
Can anyone suggest me to make it more efficient?
Any sample is more appreciated.

I am using something like below,

var xmlDoc=null;
if (window.ActiveXObject) //IE 8,9
{
xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
}
else if (document.implementation.createDocument)
{
xmlDoc=document.implementation.createDocument ("","",null);
}
else
{
alert('Your browser cannot handle this script');
}

if (xmlDoc!=null)
{
xmlDoc.async=false;
xmlDoc.load('Load.xml'); // Large xml file
}

Re: Loading large XML file ( 222 MB) in HTML using java script problem

User 171649231-Mar-14 4:44

User 1716492

31-Mar-14 4:44

Firstly, don't duplication your question over many forums.

Second, considering the size of the file, and what you are trying to do with the thing, why are you surprised it is taking a rather long period of time.

modified 1-Aug-19 21:02pm.

Re: Loading large XML file ( 222 MB) in HTML using java script problem

sma123#31-Mar-14 20:47

sma123#

31-Mar-14 20:47

Hello Richard,
Sorry to bother you again.
I am new to web technology so I have not much idea on this.
Please provide me the best technique to achieve this.

Regards,
SMA

Re: Loading large XML file ( 222 MB) in HTML using java script problem

User 171649231-Mar-14 21:59

User 1716492

31-Mar-14 21:59

I will not give you source code. But I will give you some links to read which may help ...

https://jacobcarpenter.wordpress.com/2010/01/07/reading-large-xml-files/[^]
http://office.microsoft.com/en-gb/sharepoint-server-help/convert-an-xml-file-to-a-web-page-HA010215482.aspx[^]

and this is a conversation that you may find interesting ... http://www.dreamincode.net/forums/topic/147336-fast-way-to-read-a-large-xml-file/[^]

Other solutions could include splitting the XML file into smaller files such as ... Split large XML files into small files[^]

Trust you may find some comfort from the above.

modified 1-Aug-19 21:02pm.

Optimize HTML markup size: How to exclude Microdata+ARIA?

Sergejack30-Mar-14 21:25

Sergejack

30-Mar-14 21:25

I get that Microdata and ARIA are the future for better integration of webpages.

Yet, in the present day there's a strong disadvantage of using them: filesize for mobile devices which bandwidth is costly.
However cheap it might be for you, I swear in some countries/areas every megabit matters for the billing.

I'd like to offer "my" websites' visitors an option to get light "Microdata/ARIA free" versions of the pages.

Do you know techniques to conditionally exclude all Microdata+ARIA markup before sending it to the end users?
FYI: I'll planning to do that using Wordpress PHP at first.

json in HTML5

Jassim Rahma30-Mar-14 13:03

Jassim Rahma

30-Mar-14 13:03

Hi,

I have the following json in php.

I want to know how can achieve the same but in HTML?

I tried locating on the web but I was not able to find it..

PHP

<?php  
	$json_string = file_get_contents("http://api.wunderground.com/api/xxxxxxxxxx/geolookup/conditions/q/Bahrain.json");
	$parsed_json = json_decode($json_string);

	$latitude = $parsed_json->{'current_observation'}->{'display_location'}->{'latitude'};
	$longitude = $parsed_json->{'current_observation'}->{'display_location'}->{'longitude'};
	$weather = $parsed_json->{'current_observation'}->{'weather'};
	$temp_c = $parsed_json->{'current_observation'}->{'temp_c'};
	$relative_humidity = $parsed_json->{'current_observation'}->{'relative_humidity'};
	$wind_kph = $parsed_json->{'current_observation'}->{'wind_kph'};
	$feelslike_c = $parsed_json->{'current_observation'}->{'feelslike_c'};
	$visibility_km = $parsed_json->{'current_observation'}->{'visibility_km'};
	$icon = $parsed_json->{'current_observation'}->{'icon'};
?>

Technology News @ www.JassimRahma.com

Sergejack30-Mar-14 22:27

Sergejack

30-Mar-14 22:27

Did you mean "javascript" by "HTML"?

If so, you could use JQuery, especially $.getJSON https://api.jquery.com/jQuery.getJSON/[^]

Jassim Rahma30-Mar-14 23:28

Jassim Rahma

30-Mar-14 23:28

yes.

I got it and solved the problem

but I have one issue.

my json url has an API key which I don't want it to be shown to the user?

is it possible to encrypt it or hide it?

this is my code:

JavaScript

<script type="text/javascript">
$(document).ready(function()
{
	$.ajax({
		url : "http://api.wunderground.com/api/xxxxxxxxx/geolookup/conditions/q/Bahrain.json",
		dataType : "jsonp",
		success : function(parsed_json) {
		var location = parsed_json['location']['city'];
		var icon_url = parsed_json['current_observation']['icon_url'];
		var weather = parsed_json['current_observation']['weather'];
		var temp_c = parsed_json['current_observation']['temp_c'];
		var feelslike_c = parsed_json['current_observation']['feelslike_c'];
		var relative_humidity = parsed_json['current_observation']['relative_humidity'];
		var wind_kph = parsed_json['current_observation']['wind_kph'];
		
		$("#imgWeather").attr("src", icon_url);
		$("#lblWeather").text(weather);
		$("#lblTempC").text(temp_c + " C");
		$("#lblFeelsLike").text("Feels Like " + feelslike_c);
		$("#lblHumidity").text(relative_humidity);
		$("#lblWind").text(wind_kph);
		}
	});
});
</script>

Technology News @ www.JassimRahma.com

Kornfeld Eliyahu Peter30-Mar-14 23:37

Kornfeld Eliyahu Peter

30-Mar-14 23:37

There is no trivial way to hide JavaScript code from end user - Google for 'obfuscate JavaScript' and start reading...

I'm not questioning your powers of observation; I'm merely remarking upon the paradox of asking a masked man who he is. (V)

Sergejack31-Mar-14 1:27

Sergejack

31-Mar-14 1:27

Not from javascript.

But you can create a web service (in the middle) that grabs the json using the "secret url" then forwards its content to the end user.

Richard Deeming31-Mar-14 1:28