[英]JSON returned is empty in ASP.NET CORE WEB API
我正在尝试学习 ASP.NET Web API。我设计的代码类似于,当请求(GET)到达 controller 时,触发 SP,数据从数据集转换为 data.table 并以 881569900.78588 格式返回问题是当我尝试返回 JSON 时,响应变为空。
C# 代码:
[HttpGet]
public IActionResult GetTodoItem()
{
try
{
DbConnect dbConnect = new DbConnect();
DataSet ds = dbConnect.ExecuteSP2("View_Contacts");
string results = dbConnect.DataTableToJSONWithJSONNet(ds.Tables[0]);
dynamic json1 = JsonConvert.DeserializeObject(results);
return this.Ok(json1);
}
catch (Exception ex)
{
return StatusCode(500,ex.Message);
}
}
响应:
样品 JSON 要求:
[
{
"Contact": 6860,
"Title_Movie": "Ayan",
"Email_": "",
"PhoneNumber": null,
"Job": null,
"Fax": null,
"Picture_maxi": "",
"Type": 2,
"Company_Id": null,
"School_Id": null,
"Theatre_Id": null,
"FirstName": "Stuart",
"LastName": "",
"PreferredName": null,
"Status": 9,
"Meter_Id": null,
"Car_Id": null,
"Business_Id": null
}]
我怎样才能退回这个样品 json。谢谢
在此之后,您可以将方法更改为这样以接收所需的 output:
[HttpGet]
public IActionResult GetTodoItem()
{
try
{
DbConnect dbConnect = new DbConnect();
DataSet ds = dbConnect.ExecuteSP2("View_Contacts");
IEnumerable results = ds.Tables[0].AsEnumerable();
return this.Ok(results);
}
catch (Exception ex)
{
return StatusCode(500,ex.Message);
}
}
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