The xAssets API - Method : LookupQueryCSV

Summary

Execute a query and return its data as a CSV string. In general this is used for queries that return a single field.

The values of the first field on each record are concatenated into a CSV string

Parameters

Parameter : sSeparator

sSeparator : The character to separate the values by, defaults to Comma if an empty string is passed in this parameter

Parameter : sArguments

Requires the same arguments structure as the AssetXML API call

Syntax and Examples

Restful syntax with Microsoft Visual Basic

Example 1


	
    Imports System.Text
    Imports Newtonsoft.Json.Linq
    Public Module Module1

        Public Sub Main()

            Try

                '   Enter your API key and company database name in these variables

                Dim _db As String = "mycompany"
                Dim apikey As String = "YOURAPIKEY"

                '   Open a web client to login

                Dim web As New System.Net.WebClient()

                Dim urlroot as String = "https://" & _db & ".yourxassetsplatform.xassets.net/api"
                Dim json As String = web.DownloadString(urlroot & "/api.ashx?apikey=" & apikey & "&database=" & _db & "&command=apilogon")

                '   Check the login for errors

                Dim o As JObject = JObject.Parse(json)
                Dim e As String = GetResultFromJson(o, "error")
                If e <> "" Then
                    Throw New Exception(e)
                End If

                '   Store the login hash, nonce and noncedate

                Dim hash As String = GetResultFromJson(o, "hash")
                Dim nonce As String = GetResultFromJson(o, "nonce")
                Dim noncedate As Date = CDate(GetResultFromJson(o, "noncetime"))

                If hash = "" Then
                    Throw New Exception("Unexpected error - a hash was not returned from the API logon process")
                End If

                Console.WriteLine("Logged on OK")

                '   Open a new web client to perform the API call

                web = New System.Net.WebClient()

                '   Add the authorization header

                web.Headers.Add("Authorization", "Bearer " & hash)
                web.Headers.Add("Sec", _db & "|" & nonce & "|" & Format(noncedate, "dd-MMM-yyyy HH:mm:ss") & "|" & Format(noncedate, "fff"))

                '   Perform the actual API call

                Dim url as String = urlroot & "/api.ashx?command=LookupQueryCSV
                Dim data As String = web.DownloadString(url.ToString)

                '   Parse and output the data

                Dim ob As JObject = JObject.Parse(data)
                Dim err As String = GetResultFromJson(ob, "error")
                If err <> "" Then
                    Throw New Exception(err)
                End If
            
                Dim xml As String = GetResultFromJson(ob, "returncode")

                Console.WriteLine(xml)
                Console.WriteLine("Finished - Press enter to close")
            
                Catch ex As Exception
                Console.WriteLine("Error:" & ex.Message & " - Press enter to close")
            End Try

            Console.ReadLine()

        End Sub

        Private Function GetResultFromJson(o As JObject, sFind As String) As String

            For Each res As JObject In o.SelectTokens("data[*]")
                If res("type").Value(Of String) = sFind Then
                    Return res("value").ToString
                End If
            Next

            Return ""

        End Function
    End Module

SOAP Syntax with Microsoft Visual Basic

Example 1




    Try

        ErrorMessage = ""

        Return w.WebCommandProcessorArray(_hash, _username, _db, _ip, "LookupQueryCSV", {}, _dns, _port, _scheme, _nonce, _noncedate)

    Catch ex As Exception
        ErrorMessage = ex.Message
        Return ""
    End Try

AMSX Syntax

Example 1



    Set xml = CommandProcessor "LookupQueryCSV"

XCS Syntax

Example 1



    Dim xml As String = Server.API("LookupQueryCSV")

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