一、在Model的相关属性上设置 [DisplayFormat(ConvertEmptyStringToNull = false)]javascript
[DisplayFormat(ConvertEmptyStringToNull = false)] public string id{ get; set; }
二、设置请求contentType为 application/json;java
$.ajax({ type: "POST", url: "#", data:data, dataType: "json", contentType:"application/json;charset=utf-8", success: function(data){ //do somthing... } });