AJAX Incorrect Parameter

Question

Hi I have the following code

In JQuery:

this.myFunction = function()
{

   var dto =
   {
       id : getID()
   };

   //alert(getID();) to verify that my number is indeed non zero.

    $.ajax({
        type: "POST",
        url: "Create",
        contentType: 'application/json; charset=utf-8',
        data: JSON.stringify(dto),
        dataType: "json",
        success: function(result) {
            alert("Data Returned: ");
        }
    });
}

in C#

public void myCFunction(int i)
{
  //do some stuff
}

When I ran the debugger in Visual Studios, I noticed that the integer in my C# function is always zero despite that the value I pass it is not zero.

JSON.stringify(dto), should maybe be JSON.stringify(dataPost)? — Tim Withers
– Tim Withers, Commented Nov 14, 2012 at 22:07
Have you tried changing your method signature (C#) to 'public void myCFunction(int id)', that way your JSON matches data within the function that will be processing it? — Darren Reid
– Darren Reid, Commented Nov 14, 2012 at 22:13

Darren Reid · Accepted Answer · 2012-11-14 22:21:22Z

1

Answer in comments, but this is to make it clearer.

Your JSON data needs to match the data that the C# method that is processing the request. 'i' is always 0 because no data is being processing by the method matches 'i'. Eg, it's being passed null data. Changing the data to match the parameter names will fix this problem. Eg,

public void myCFunction(int id)
{
  //do some stuff
}

answered Nov 14, 2012 at 22:21

Darren Reid

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