send Data to controller from Jquery. MVC C#

Question

my jquery script code part , the script is working fine and set data array/object in dataBLL..

var dataBLL = [];
$('#mytable tr').each(function (i) {

dataBLL.push({

id: $(this).find('td:eq(0)').text(),
ctype: $(this).find('td:eq(1)').text(),
cpath: $(this).find('td:eq(2)').text(),
ckey: $(this).find('td:eq(3)').text(),
ckey: $(this).find('td:eq(4) input:frist').val(),

});
  $.ajax ({
             url:"User/BllBtn",
             type:"POST",
             data:"dataBll="JSON.stringify(dataBLL);
             dataType: "json",
             success: function (e) {

                alert("sucess");
            }})

but i am not able to send this object/Array to my controller to use it's data and iterate through each row entry .

My controller signature

[HttpPost]
public ActionResutl BllBtn(List<string> dataBll)
{

}

Please guide how to get this object as list so I can loop into in simplest way.

what to do then .. any code change requeied @Div

Ninja kargeti
– Ninja kargeti

2016-10-19 08:52:14 +00:00
Commented Oct 19, 2016 at 8:52 — Ninja kargeti
– Ninja kargeti, Commented Oct 19, 2016 at 8:52
getting null in List<string> dataBll :( @Div

Ninja kargeti
– Ninja kargeti

2016-10-19 09:00:41 +00:00
Commented Oct 19, 2016 at 9:00 — Ninja kargeti
– Ninja kargeti, Commented Oct 19, 2016 at 9:00

ADyson · Accepted Answer · 2016-10-19 09:34:39Z

3

You've got a syntax error (which your browser console will have told you), and also you're producing invalid JSON.

data: { "dataBll": dataBLL }

should work I think. Or

data: JSON.stringify({ "dataBll": dataBLL })

at worst. Also set

contentType: 'application/json; charset=UTF-8'

as another option in the ajax call.

The next problem is you are trying to accept List<string> into your method, but dataBll is a complex object with the following properties:

id, ctype, cpath, ckey, ckey

Firstly, you can't define ckey twice in the same object, and secondly your JSON object is incompatible with the type in the C# method. You need to define a class, e.g.

public class myNewType
{
  public string id {get; set; }
  public string ctype {get; set; }
  public string cpath {get; set; }
  public string ckey {get; set; }
}

and then accept List<myNewType> as the parameter to the method:

public ActionResult BllBtn(List<myNewType> dataBll)

edited Oct 19, 2016 at 9:34

answered Oct 19, 2016 at 8:46

ADyson

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7 Comments

Ninja kargeti Over a year ago

please help how to produce valid JSON ..any code exaple! @ADyson

Ninja kargeti Over a year ago

no i am not getting any data in my action , only count 1 at index[0] with key names only nothing else :(

Ninja kargeti Over a year ago

any other method you know to if it is working i will follow that @ADyson

user3559349 Over a year ago

Its data: JSON.stringify({ "dataBll": dataBLL }), and you also need to set contentType: 'application/json; charset=UTF-8',

Ninja kargeti Over a year ago

Done it , but again how to get the value in controller ActionResult BllBtn :( @StephenMuecke

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