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複数配列のPUTメソッドをコーディングしようとしていますが、NULLエラーが発生しています。Json Multiple ArrayのC＃Web API PUTメソッド
が、これはその子が後利息およびAOIバリュードライバーのエリアであるvaluestoryのための私のコントローラ内部の私のコードです：
// PUT: api/ValueStories/5
[ResponseType(typeof(void))]
public async Task<IHttpActionResult> PutValueStory(int id, ValueStory valueStory)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != valueStory.Id)
{
return BadRequest();
}
//To update Value Story Item all the way to
//Area of interest and child layers
var vsid = id;
var vs = (from v in db.ValueStories where v.Id == vsid select v).FirstOrDefault();
//db.Entry(valueStory).State = EntityState.Modified;
if (vs == null)
{
return NotFound();
}
else
{
vs.Id = vsid;
vs.ModifiedDate = DateTime.Now;
//AreaOfInterest and AOIValueDriver START
foreach (var item in vs.AreaOfInterest)
{
var aoi = (from a in db.AreaOfInterests where a.Id == vs.Id select a).FirstOrDefault();
if (aoi != null)
{
aoi.AOIName = item.AOIName;
aoi.Selected = item.Selected;
aoi.Id = vs.Id;
//AOIValueDriver START
foreach (var item2 in aoi.AOIValueDrivers)
{
var aoivd = (from b in db.AOIValueDrivers where b.AOIId == aoi.AOIId select b).FirstOrDefault();
if (aoivd != null)
{
aoivd.Item = item2.Item;
aoivd.SubItem = item2.SubItem;
aoivd.Value = item2.Value;
}
}
//AOIValueDriver EMD
}
}
//AreaOfInterest and AOIValueDriver END
// --------------------------------//
}
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ValueStoryExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
、これは私が合格しようとしているJSONパラメータです：
{
"Id": 1,
"ValueStoryName": "Value Story 101",
"Organization": "Charity Foundation",
"Industry": "Education",
"Currency": "$ ",
"AnnualRevenue": 1000,
"AreaOfInterest": [
{
"Id": 1,
"AOIId": 1,
"AOIName": "Supply Chain/ Direct Materials",
"Selected": false,
"AOIValueDrivers": [
{
"AOIId": 1,
"AOIVDId": 1,
"Item": "Negotiate better prices & conditions",
"SubItem": "Automate the process of sourcing of direct materials and integrate it to you ERP and key execution systems",
"Value": 0
}
]
},
{
"Id": 1,
"AOIId": 2,
"AOIName": "Sourcing",
"Selected": true,
"AOIValueDrivers": [
{
"AOIId": 2,
"AOIVDId": 10,
"Item": "Negotiate better prices & conditions",
"SubItem": "Foster supplier competition to reduce pricing and obtain best market value",
"Value": 3
}
]
},
{
"Id": 1,
"AOIId": 3,
"AOIName": "Procurement",
"Selected": true,
"AOIValueDrivers": [
{
"AOIId": 3,
"AOIVDId": 23,
"Item": "Lower costs",
"SubItem": "Provide access to an electronic marketplace of pre-sourced goods and services",
"Value": 3
}
]
},
{
"Id": 1,
"AOIId": 4,
"AOIName": "Accounts Payable",
"Selected": true,
"AOIValueDrivers": [
{
"AOIId": 4,
"AOIVDId": 32,
"Item": "Lower costs",
"SubItem": "Pay on time",
"Value": 3
}
]
},
{
"Id": 1,
"AOIId": 5,
"AOIName": "Working Captila/ Treasury",
"Selected": true,
"AOIValueDrivers": [
{
"AOIId": 5,
"AOIVDId": 37,
"Item": "Free up working capital",
"SubItem": "Capture more early pay discounts and allow suppliers to dynamically select discount rate and payment terms",
"Value": 3
}
]
},
{
"Id": 1,
"AOIId": 6,
"AOIName": "Risk and Compliance",
"Selected": false,
"AOIValueDrivers": [
{
"AOIId": 6,
"AOIVDId": 42,
"Item": "Protect your revenue",
"SubItem": "Proactively monitor and predict supply risks in real time",
"Value": 3
}
]
}
]
}
と私は郵便配達から取得していますエラーは、ここで私は完全にERを行うかを理解することはできません https://ibb.co/jMHmuv
です私は誰かがこれで私を助けることができることを願っています。 PUTメソッドの 改訂コントローラコード：
// PUT: api/ValueStories/5
[ResponseType(typeof(void))]
public async Task<IHttpActionResult> PutValueStory(int id, ValueStory valueStory)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != valueStory.Id)
{
return BadRequest();
}
//To update Value Story Item all the way to
//Area of interest and child layers
//Business value to you and child layers
//Business value from SAP and child layers
var vs = (from v in db.ValueStories where v.Id.Equals(id) select v).FirstOrDefault();
//db.Entry(valueStory).State = EntityState.Modified;
if (vs != null)
{
vs.ModifiedDate = DateTime.Now;
vs.ValueStoryName = valueStory.ValueStoryName;
vs.Organization = valueStory.Organization;
vs.Location = valueStory.Location;
vs.Industry = valueStory.Industry;
vs.Currency = valueStory.Currency;
vs.AnnualRevenue = valueStory.AnnualRevenue;
vs.MutualActionPlan = valueStory.MutualActionPlan;
vs.Id = valueStory.Id;
}
else
{
return NotFound();
}
//areaofinterest and aoivaluedriver start
foreach (var item in valueStory.AreaOfInterest)
{
var aoi = (from a in db.AreaOfInterests where a.Id == vs.Id select a).FirstOrDefault();
if (aoi != null)
{
aoi.Selected = item.Selected;
aoi.Id = vs.Id;
//aoi.AOIId = aoi.AOIId;
//aoivaluedriver start
foreach (var item2 in item.AOIValueDrivers)
{
var aoivd = (from b in db.AOIValueDrivers where b.AOIId == aoi.AOIId select b).FirstOrDefault();
if (aoivd != null)
{
aoivd.Value = item2.Value;
aoivd.AOIId = aoi.AOIId;
//aoivd.AOIVDId = aoivd.AOIVDId;
}
}
//aoivaluedriver emd
}
}
//areaofinterest and aoivaluedriver end
// --------------------------------//
//}
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ValueStoryExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
改訂JSON入力：
{
"Id": 1,
"ValueStoryName": "Value Story 222",
"Organization": "ABC",
"Industry": 11,
"Location": "Singapore",
"Currency": "P",
"AnnualRevenue":212000,
"MutualActionPlan": "testing789",
"AreaOfInterest": [
{
"AOIId": 1,
"Selected": false,
"AOIValueDrivers": [
{
"AOIVDId": 1,
"Value": 1
},
{
"AOIVDId": 2,
"Value": 2
},
{
"AOIVDId": 3,
"Value": 1
},
{
"AOIVDId": 4,
"Value": 1
},
{
"AOIVDId": 5,
"Value": 1
},
{
"AOIVDId": 6,
"Value": 5
},
{
"AOIVDId": 7,
"Value": 1
},
{
"AOIVDId": 8,
"Value": 1
},
{
"AOIVDId": 9,
"Value": 3
}
]
}
]
}
をaoivdこのエラーは、メソッドにステップインし、そのエラーが発生する位置に達するまでステップインします。チャンスは、あなたのvalueStoryがnullで、JavaScriptコードを見たり、そこにデータを置く必要があります。 – Marco
'ctrl + E、ctrl + T'を使用して、スタックトレースをクリップボードからVisual Studioに貼り付けることができます。エラーはValueStoriesController.csの360行目にあります – Max
@Maxこれは私が持っているものです[https://ibb.co/gJKVnF –