エンティティがあります。以下に示すデータベースを使用してエンティティを edmx ファイルとしてセットアップします。edmunds.com からプルしている JSon ファイルもあります。JSon.net を使用して、JSon オブジェクトをエンティティに解析し、Json の値をエンティティに保存しようとしています。
私がそれを使用しようとするすべてのオプションは、私に爆発するようです. この時点で私を狂わせているので、これを達成する方法の適切な例を誰か教えてください。
{
"dealerHolder":[
{
"id":"31711",
"locationId":"3730",
"address":{
"street":"24825 US Hwy 19 N",
"apartment":"",
"city":"Clearwater",
"stateCode":"FL",
"stateName":"Florida",
"county":"Pinellas",
"country":"USA",
"zipcode":"33763",
"latitude":27.99785,
"longitude":-82.729321
},
"name":"Countryside Ford of Clearwater",
"logicalName":"CountrysideFordofClearwater",
"type":"ROOFTOP",
"make":"Ford",
"operations":{
"Wednesday":"8:30 AM-9:00 PM",
"Tuesday":"8:30 AM-9:00 PM",
"Thursday":"8:30 AM-9:00 PM",
"Saturday":"8:30 AM-8:00 PM",
"Friday":"8:30 AM-9:00 PM",
"Monday":"8:30 AM-9:00 PM",
"Sunday":"11:00 AM-5:00 PM"
},
"contactinfo":{
"dealer_website":"http://www.clearwaterford.com/",
"email_address":"",
"phone":""
},
"publishDate":"2012-05-21",
"active":true,
"syncPublishDate":"2012-05-21"
},
{
"id":"31673",
"locationId":"3708",
"address":{
"street":"2525 34th St N",
"apartment":"",
"city":"Saint Petersburg",
"stateCode":"FL",
"stateName":"Florida",
"county":"Pinellas",
"country":"USA",
"zipcode":"33713",
"latitude":27.794484,
"longitude":-82.679411
},
"name":"Autoway Ford of St Petersburg",
"logicalName":"AutowayFordofStPetersburg",
"type":"ROOFTOP",
"make":"Ford",
"operations":{
"Wednesday":"08:30 AM-08:00 PM",
"Tuesday":"08:30 AM-08:00 PM",
"Thursday":"08:30 AM-08:00 PM",
"Saturday":"09:00 AM-06:00 PM",
"Friday":"08:30 AM-08:00 PM",
"Monday":"08:30 AM-08:00 PM",
"Sunday":"12:00 PM-05:00 PM"
},
"contactinfo":{
"dealer_website":"http://www.autowayford.net/",
"email_address":"",
"phone":""
},
"publishDate":"2012-05-21",
"active":true,
"syncPublishDate":"2012-05-21"
},
{
"id":"31636",
"locationId":"3684",
"address":{
"street":"5815 N Dale Mabry Hwy",
"apartment":"",
"city":"Tampa",
"stateCode":"FL",
"stateName":"Florida",
"county":"Hillsborough",
"country":"USA",
"zipcode":"33614",
"latitude":28.00016,
"longitude":-82.505206
},
"name":"Bill Currie Ford",
"logicalName":"BillCurrieFord",
"type":"ROOFTOP",
"make":"Ford",
"operations":{
"Wednesday":"8:00 AM-9:00 PM",
"Tuesday":"8:00 AM-9:00 PM",
"Thursday":"8:00 AM-9:00 PM",
"Saturday":"8:00 AM-8:00 PM",
"Friday":"8:00 AM-9:00 PM",
"Monday":"8:00 AM-9:00 PM",
"Sunday":"11:00 AM-6:00 PM"
},
"contactinfo":{
"dealer_website":"http://billcurriedirect.dealerconnection.com/",
"email_address":"",
"phone_areacode":"888",
"phone_postfix":"1156",
"phone_prefix":"255",
"phone":"8882551156"
},
"publishDate":"2012-05-21",
"active":true,
"syncPublishDate":"2012-05-21"
},
{
"id":"31723",
"locationId":"3739",
"address":{
"street":"17556 US 19 N",
"apartment":"",
"city":"Clearwater",
"stateCode":"FL",
"stateName":"Florida",
"county":"Pinellas",
"country":"USA",
"zipcode":"33764",
"latitude":27.93164,
"longitude":-82.730647
},
"name":"Walker Ford",
"logicalName":"WalkerFord",
"type":"ROOFTOP",
"make":"Ford",
"operations":{
"Wednesday":"8:30 AM-8:00 PM",
"Tuesday":"8:30 AM-8:00 PM",
"Thursday":"8:30 AM-8:00 PM",
"Saturday":"8:30 AM-6:00 PM",
"Friday":"8:30 AM-8:00 PM",
"Monday":"8:30 AM-8:00 PM",
"Sunday":"11:30 AM-6:00 PM"
},
"contactinfo":{
"dealer_website":"http://www.walkerford.com/",
"email_address":"",
"phone_areacode":"727",
"phone_postfix":"3673",
"phone_prefix":"535",
"phone":"7275353673"
},
"publishDate":"2012-05-21",
"active":true,
"syncPublishDate":"2012-05-21"
}
]
}
http://blog.redeyeproject.com/databasediagram.png
JSON オブジェクト (つまり、{"name":"value"}) を型 'System.Data.Objects.DataClasses.EntityCollection`1[DealerTentSaleMVC.Models.Operation]' に逆シリアル化できませんという最新のエラーを次に示します。逆シリアル化された型は、通常の .NET 型 (つまり、整数のようなプリミティブ型ではなく、配列やリストのようなコレクション型ではない) またはディクショナリ型 (つまり、ディクショナリ) である必要があります。JSON オブジェクトを強制的に逆シリアル化するには、JsonObjectAttribute を型に追加します。パス 'operations.Wednesday'、22 行目、19 番目の位置。
そのエラーはこのコードで発生しています。
WebClient wc = new WebClient();
string stws = wc.DownloadString(url);
JToken root = JObject.Parse(stws);
JToken dealerholder = root["dealerHolder"];
DealerHolder convertedProducts = new DealerHolder();
string dh = dealerholder.ToString().Replace("[", "").Replace("]", "");
JsonConvert.PopulateObject(dh, convertedProducts, new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
});
具体的には、最後の行で発生しています