jQuery向webApi提交post json数据

//js代码

          vard = {

          Id:"1",

          Name:"name",

          Value:"OldValue", 7         };

        $.ajax({

          type:"post",

          url: url1,

          data: JSON.stringify({

            pConfig: d

          }),

          success:function(d){

          }

        });

public class Diff

  {

    public string Id { set; get; }

    public string Name { set; get; }

    public string Value { set; get; }

  }

 public Diff post([FromBody]Diff pConfig)

    {

      Lists = pConfig;

      returns;

    }

//js代码

         vard = [{

           Id:"1",

           Name:"name",

           Value:"Value",

         },{

           Id:"2",

           Name:"name2",

           Value:"Value2",

         }];

         $.ajax({

          type:"post",

          url: url1,

           data: JSON.stringify({

             pConfig: d

          }),

           success:function(d){

         }

        });

public Listpost([FromBody]Listdiff)

     {

       Listd = diff;

       returnd;

     }

$.ajax({

      type:"post",

      dataType:'json',

      url: url,

      contentType:'application/json',

      data: JSON.stringify(d),

      success:function(d) {

      }

    });