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(VB.NET UWP/WinRT) Loading and Parsing a Complex JSON Array

This example loads a JSON array containing more complex data. It shows how to parse (access) various values contained within the JSON.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

' This is the JSON we'll be loading:

' 	[
' 	  {
' 	    "telefones": [
' 	      {
' 	        "numero": "19995555555",
' 	        "tipo": "T",
' 	        "id": 2541437
' 	      } 
' 	    ],
' 	    "cnpj": "11395551000164",
' 	    "rua": "R XAVIER AUGUSTO ROGGE, 22",
' 	    "complemento": "",
' 	    "contatos": [
' 	    ],
' 	    "tipo": "J",
' 	    "razao_social": "SOUP BRASIL LTDA - ME",
' 	    "nome_fantasia": "SOUP BRASIL",
' 	    "bairro": "ABC DOS COLIBRIS",
' 	    "cidade": "TEST",
' 	    "inscricao_estadual": "222.102.222.116",
' 	    "observacao": "",
' 	    "id": 2209595,
' 	    "ultima_alteracao": "2016-12-26 16:22:34",
' 	    "cep": "13555000",
' 	    "suframa": "",
' 	    "estado": "SP",
' 	    "emails": [
' 	      {
' 	        "email": "somebody@terra.com.br",
' 	        "tipo": "T",
' 	        "id": 1065557
' 	      } 
' 	    ],
' 	    "excluido": false
' 	  },
' 	  {
' 	    "telefones": [
' 	    ],
' 	    "cnpj": "12496555500180",
' 	    "rua": "AV ROLF WIEST, 100",
' 	    "complemento": "ANDAR 7 SALA 612 A 620",
' 	    "contatos": [
' 	    ],
' 	    "tipo": "J",
' 	    "razao_social": "SIMPLE SOFTWARE LTDA",
' 	    "nome_fantasia": "",
' 	    "bairro": "DOM ZETIRO",
' 	    "cidade": "APARTVILLE",
' 	    "inscricao_estadual": "",
' 	    "observacao": "",
' 	    "id": 2255594,
' 	    "ultima_alteracao": "2016-12-26 16:28:31",
' 	    "cep": "89255505",
' 	    "suframa": "",
' 	    "estado": "SC",
' 	    "emails": [
' 	    ],
' 	    "excluido": false
' 	  },
' 	  {
' 	    "telefones": [
' 	      {
' 	        "numero": "1938655556",
' 	        "tipo": "T",
' 	        "id": 2555438
' 	      } 
' 	    ],
' 	    "cnpj": "00003555500153",
' 	    "rua": "AV ABCDEF PINTO CATAO, 18",
' 	    "complemento": "",
' 	    "contatos": [
' 	      {
' 	        "telefones": [
' 	          {
' 	            "numero": "1999655554",
' 	            "tipo": "T",
' 	            "id": 2555559
' 	          } 
' 	        ],
' 	        "cargo": "zzz de compras",
' 	        "nome": "Gerard",
' 	        "emails": [
' 	          {
' 	            "email": "gerard@terra.com.br",
' 	            "tipo": "T",
' 	            "id": 1065559
' 	          } 
' 	        ],
' 	        "id": 844485,
' 	        "excluido": false
' 	      } 
' 	    ],
' 	    "tipo": "J",
' 	    "razao_social": "TIDY TECNOLOGIA LTDA - EPP",
' 	    "nome_fantasia": "TIDY",
' 	    "bairro": "TUNA",
' 	    "cidade": "JAGUAR",
' 	    "inscricao_estadual": "395.222.441.222",
' 	    "observacao": "ligar sempre depois das 14hs",
' 	    "id": 2255597,
' 	    "ultima_alteracao": "2016-12-28 07:31:52",
' 	    "cep": "13555500",
' 	    "suframa": "",
' 	    "estado": "SP",
' 	    "emails": [
' 	      {
' 	        "email": "xi@tidy.com.br",
' 	        "tipo": "T",
' 	        "id": 10655558
' 	      } 
' 	    ],
' 	    "excluido": false
' 	  } 
' 	]
' 


' Construct a StringBuilder containing the above JSON array.
Dim sb As New Chilkat.StringBuilder
Dim bCrlf As Boolean = True
sb.AppendLine("[",bCrlf)
sb.AppendLine("  {",bCrlf)
sb.AppendLine("    ""telefones"": [",bCrlf)
sb.AppendLine("      {",bCrlf)
sb.AppendLine("        ""numero"": ""19995555555"",",bCrlf)
sb.AppendLine("        ""tipo"": ""T"",",bCrlf)
sb.AppendLine("        ""id"": 2541437",bCrlf)
sb.AppendLine("      }",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""cnpj"": ""11395551000164"",",bCrlf)
sb.AppendLine("    ""rua"": ""R XAVIER AUGUSTO ROGGE, 22"",",bCrlf)
sb.AppendLine("    ""complemento"": """",",bCrlf)
sb.AppendLine("    ""contatos"": [",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""tipo"": ""J"",",bCrlf)
sb.AppendLine("    ""razao_social"": ""SOUP BRASIL LTDA - ME"",",bCrlf)
sb.AppendLine("    ""nome_fantasia"": ""SOUP BRASIL"",",bCrlf)
sb.AppendLine("    ""bairro"": ""ABC DOS COLIBRIS"",",bCrlf)
sb.AppendLine("    ""cidade"": ""TEST"",",bCrlf)
sb.AppendLine("    ""inscricao_estadual"": ""222.102.222.116"",",bCrlf)
sb.AppendLine("    ""observacao"": """",",bCrlf)
sb.AppendLine("    ""id"": 2209595,",bCrlf)
sb.AppendLine("    ""ultima_alteracao"": ""2016-12-26 16:22:34"",",bCrlf)
sb.AppendLine("    ""cep"": ""13555000"",",bCrlf)
sb.AppendLine("    ""suframa"": """",",bCrlf)
sb.AppendLine("    ""estado"": ""SP"",",bCrlf)
sb.AppendLine("    ""emails"": [",bCrlf)
sb.AppendLine("      {",bCrlf)
sb.AppendLine("        ""email"": ""somebody@terra.com.br"",",bCrlf)
sb.AppendLine("        ""tipo"": ""T"",",bCrlf)
sb.AppendLine("        ""id"": 1065557",bCrlf)
sb.AppendLine("      }",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""excluido"": false",bCrlf)
sb.AppendLine("  },",bCrlf)
sb.AppendLine("  {",bCrlf)
sb.AppendLine("    ""telefones"": [",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""cnpj"": ""12496555500180"",",bCrlf)
sb.AppendLine("    ""rua"": ""AV ROLF WIEST, 100"",",bCrlf)
sb.AppendLine("    ""complemento"": ""ANDAR 7 SALA 612 A 620"",",bCrlf)
sb.AppendLine("    ""contatos"": [",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""tipo"": ""J"",",bCrlf)
sb.AppendLine("    ""razao_social"": ""SIMPLE SOFTWARE LTDA"",",bCrlf)
sb.AppendLine("    ""nome_fantasia"": """",",bCrlf)
sb.AppendLine("    ""bairro"": ""DOM ZETIRO"",",bCrlf)
sb.AppendLine("    ""cidade"": ""APARTVILLE"",",bCrlf)
sb.AppendLine("    ""inscricao_estadual"": """",",bCrlf)
sb.AppendLine("    ""observacao"": """",",bCrlf)
sb.AppendLine("    ""id"": 2255594,",bCrlf)
sb.AppendLine("    ""ultima_alteracao"": ""2016-12-26 16:28:31"",",bCrlf)
sb.AppendLine("    ""cep"": ""89255505"",",bCrlf)
sb.AppendLine("    ""suframa"": """",",bCrlf)
sb.AppendLine("    ""estado"": ""SC"",",bCrlf)
sb.AppendLine("    ""emails"": [",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""excluido"": false",bCrlf)
sb.AppendLine("  },",bCrlf)
sb.AppendLine("  {",bCrlf)
sb.AppendLine("    ""telefones"": [",bCrlf)
sb.AppendLine("      {",bCrlf)
sb.AppendLine("        ""numero"": ""1938655556"",",bCrlf)
sb.AppendLine("        ""tipo"": ""T"",",bCrlf)
sb.AppendLine("        ""id"": 2555438",bCrlf)
sb.AppendLine("      }",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""cnpj"": ""00003555500153"",",bCrlf)
sb.AppendLine("    ""rua"": ""AV ABCDEF PINTO CATAO, 18"",",bCrlf)
sb.AppendLine("    ""complemento"": """",",bCrlf)
sb.AppendLine("    ""contatos"": [",bCrlf)
sb.AppendLine("      {",bCrlf)
sb.AppendLine("        ""telefones"": [",bCrlf)
sb.AppendLine("          {",bCrlf)
sb.AppendLine("            ""numero"": ""1999655554"",",bCrlf)
sb.AppendLine("            ""tipo"": ""T"",",bCrlf)
sb.AppendLine("            ""id"": 2555559",bCrlf)
sb.AppendLine("          }",bCrlf)
sb.AppendLine("        ],",bCrlf)
sb.AppendLine("        ""cargo"": ""zzz de compras"",",bCrlf)
sb.AppendLine("        ""nome"": ""Gerard"",",bCrlf)
sb.AppendLine("        ""emails"": [",bCrlf)
sb.AppendLine("          {",bCrlf)
sb.AppendLine("            ""email"": ""gerard@terra.com.br"",",bCrlf)
sb.AppendLine("            ""tipo"": ""T"",",bCrlf)
sb.AppendLine("            ""id"": 1065559",bCrlf)
sb.AppendLine("          }",bCrlf)
sb.AppendLine("        ],",bCrlf)
sb.AppendLine("        ""id"": 844485,",bCrlf)
sb.AppendLine("        ""excluido"": false",bCrlf)
sb.AppendLine("      }",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""tipo"": ""J"",",bCrlf)
sb.AppendLine("    ""razao_social"": ""TIDY TECNOLOGIA LTDA - EPP"",",bCrlf)
sb.AppendLine("    ""nome_fantasia"": ""TIDY"",",bCrlf)
sb.AppendLine("    ""bairro"": ""TUNA"",",bCrlf)
sb.AppendLine("    ""cidade"": ""JAGUAR"",",bCrlf)
sb.AppendLine("    ""inscricao_estadual"": ""395.222.441.222"",",bCrlf)
sb.AppendLine("    ""observacao"": ""ligar sempre depois das 14hs"",",bCrlf)
sb.AppendLine("    ""id"": 2255597,",bCrlf)
sb.AppendLine("    ""ultima_alteracao"": ""2016-12-28 07:31:52"",",bCrlf)
sb.AppendLine("    ""cep"": ""13555500"",",bCrlf)
sb.AppendLine("    ""suframa"": """",",bCrlf)
sb.AppendLine("    ""estado"": ""SP"",",bCrlf)
sb.AppendLine("    ""emails"": [",bCrlf)
sb.AppendLine("      {",bCrlf)
sb.AppendLine("        ""email"": ""xi@tidy.com.br"",",bCrlf)
sb.AppendLine("        ""tipo"": ""T"",",bCrlf)
sb.AppendLine("        ""id"": 10655558",bCrlf)
sb.AppendLine("      }",bCrlf)
sb.AppendLine("    ],",bCrlf)
sb.AppendLine("    ""excluido"": false",bCrlf)
sb.AppendLine("  }",bCrlf)
sb.AppendLine("]",bCrlf)


' Load the JSON array into a JsonArray:
Dim jsonArray As New Chilkat.JsonArray
Dim success As Boolean = jsonArray.LoadSb(sb)
If (success <> True) Then
    Debug.WriteLine(jsonArray.LastErrorText)
    Exit Sub
End If


' Get some information from each record in the array.
Dim numRecords As Integer = jsonArray.Size
Dim i As Integer = 0
While i < numRecords
    Debug.WriteLine("------ Record " & i & " -------")

    Dim jsonRecord As Chilkat.JsonObject = jsonArray.ObjectAt(i)

    ' Examine information for this record
    Dim numTelefones As Integer = jsonRecord.SizeOfArray("telefones")
    Debug.WriteLine("Number of telefones: " & numTelefones)
    Dim j As Integer = 0
    While j < numTelefones
        jsonRecord.J = j
        Debug.WriteLine("  telefones numero: " & jsonRecord.StringOf("telefones[j].numero"))
        Debug.WriteLine("  telefones tipo: " & jsonRecord.StringOf("telefones[j].tipo"))
        Debug.WriteLine("  telefones id: " & jsonRecord.StringOf("telefones[j].id"))
        j = j + 1
    End While

    Debug.WriteLine("cnpj: " & jsonRecord.StringOf("cnpj"))
    Debug.WriteLine("rua: " & jsonRecord.StringOf("rua"))
    ' ...

    Dim numContatos As Integer = jsonRecord.SizeOfArray("contatos")
    Debug.WriteLine("Number of contatos: " & numContatos)
    j = 0
    While j < numContatos
        jsonRecord.J = j

        numTelefones = jsonRecord.SizeOfArray("contatos[j].telefones")
        Debug.WriteLine("  Number of telefones: " & numTelefones)
        Dim k As Integer = 0
        While k < numTelefones
            jsonRecord.K = k
            Debug.WriteLine("  telefones numero: " & jsonRecord.StringOf("contatos[j].telefones[k].numero"))
            Debug.WriteLine("  telefones tipo: " & jsonRecord.StringOf("contatos[j].telefones[k].tipo"))
            Debug.WriteLine("  telefones id: " & jsonRecord.StringOf("contatos[j].telefones[k].id"))
            k = k + 1
        End While

        Debug.WriteLine("  cargo: " & jsonRecord.StringOf("contatos[j].cargo"))

        Dim numEmails As Integer = jsonRecord.SizeOfArray("contatos[j].emails")
        Debug.WriteLine("  Number of emails: " & numEmails)
        k = 0
        While k < numEmails
            jsonRecord.K = k
            Debug.WriteLine("  emails email: " & jsonRecord.StringOf("contatos[j].emails[k].email"))
            Debug.WriteLine("  emails tipo: " & jsonRecord.StringOf("contatos[j].emails[k].tipo"))
            Debug.WriteLine("  emails id: " & jsonRecord.StringOf("contatos[j].emails[k].id"))
            k = k + 1
        End While

        j = j + 1
    End While


    i = i + 1
End While


' The output for the above code is:

' 	------ Record 0 -------
' 	Number of telefones: 1
' 	  telefones numero: 19995555555
' 	  telefones tipo: T
' 	  telefones id: 2541437
' 	cnpj: 11395551000164
' 	rua: R XAVIER AUGUSTO ROGGE, 22
' 	Number of contatos: 0
' 	------ Record 1 -------
' 	Number of telefones: 0
' 	cnpj: 12496555500180
' 	rua: AV ROLF WIEST, 100
' 	Number of contatos: 0
' 	------ Record 2 -------
' 	Number of telefones: 1
' 	  telefones numero: 1938655556
' 	  telefones tipo: T
' 	  telefones id: 2555438
' 	cnpj: 00003555500153
' 	rua: AV ABCDEF PINTO CATAO, 18
' 	Number of contatos: 1
' 	  Number of telefones: 1
' 	  telefones numero: 1999655554
' 	  telefones tipo: T
' 	  telefones id: 2555559
' 	  cargo: zzz de compras
' 	  Number of emails: 1
' 	  emails email: gerard@terra.com.br
' 	  emails tipo: T
' 	  emails id: 1065559
'
 

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