Why can't I retrieve the value on the server after I submit data to ashx using Ajax and format the parameter with JSON. stringify? [Reprint to: http://q.cnblogs.com/q/34266/]

Front-end code:

$ (Function (){
VaR model = function (key ){
This. Key = key;
}

VaR M = new model ("ABC ");

$. Ajax ({
URL: '/demo. ashx ',
Type: 'post ',
Data: JSON. stringify (m ),
Contenttype: 'application/JSON; charset = utf8 ',
Cache: false,
Datatype: 'text ',
Success: function (data ){
Alert (data );
},
Error: function (xhr ){
Alert ("an error occurred. Please try again later:" + xhr. responsetext );
}
});
});

Demo. ashx:

    public class Demo : IHttpHandler
    {

public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            context.Response.Write("Hello World" + context.Request.Form["key"]);
        }

public bool IsReusable
        {
get
            {
return false;
            }
        }
    }

"Hello world" is displayed after running ":

You can change it to the following:

$. Ajax ({
URL: '/demo. ashx ',
Type: 'post ',
// Data: JSON. stringify (m ),
// Contenttype: 'application/JSON; charset = utf8 ',
Data: {key: "ABC "},
Cache: false,
Datatype: 'text ',
Success: function (data ){
Alert (data );
},
Error: function (xhr ){
Alert ("an error occurred. Please try again later:" + xhr. responsetext );
}
});

Does anyone know why?

ASP. NET JavaScript post JSON. stringifyartwl | Expert Level 6 | garden beans: 11082
Question: The FAQ function was launched at,. <>!

Favorite best answers

0

Use context. Request. inputstream to connect to it,

Data: {key: "ABC"}. This can only be used as a demo. How do you write large objects.

Harvest garden beans: 50 replies | small ai | cainiao Level 2 | garden beans: 223 |

I mainly want to figure out whyJSON. stringify formatting ParametersValue not obtained

Reply | artwl | garden bean: 11082 (Expert Level 6) |

You can use context. Request. inputstream to obtain the following information:

 

I just don't understand why context. Request. Form ["key"] cannot get the value.

Reply | artwl | garden bean: 11082 (Expert Level 6) |

@ Artwl: Follow up the result of JSON. stringify (m) to see what is different from {key: "ABC. After you get there, you can play with it and deserialize it.

Reply | xiao ai | garden bean: 223 (cainiao Level 2) |

@ Artwl...

Reply | xiao ai | garden bean: 223 (cainiao Level 2) |

@ Xiao ai: Haha, line, score

Reply | artwl | garden bean: 11082 (Expert Level 6) |

 

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