VB.NET / Creatio API / $select parameter
Back to Collection Items
' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
Dim success As Boolean
Dim queryParams As New Chilkat.JsonObject
queryParams.UpdateString("$select","Field1,Field2")
http.SetRequestHeader("ForceUseSession","true")
http.SetRequestHeader("BPMCSRF","{{BPMCSRF}}")
Dim resp As Chilkat.HttpResponse = http.QuickRequestParams("GET","https://myserver.com/0/odata/Collection1",queryParams)
If (http.LastMethodSuccess = False) Then
Debug.WriteLine(http.LastErrorText)
Exit Sub
End If
Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False
Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())
Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
Debug.WriteLine("Response Header:")
Debug.WriteLine(resp.Header)
Debug.WriteLine("Failed.")
Exit Sub
End If
' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)
' {
' "@odata.context": "https://myserver.com/0/odata/$metadata#Employee(Name,FullJobTitle)",
' "value": [
' {
' "Name": "William Walker",
' "FullJobTitle": "Developer"
' },
' {
' "Name": "Timothy Sawyer",
' "FullJobTitle": "Developer"
' },
' {
' "Name": "Symon Clarke",
' "FullJobTitle": "Marketing manager"
' },
' {
' "Name": "Mary King",
' "FullJobTitle": "Customer manager"
' },
' {
' "Name": "Sarah M. Richards",
' "FullJobTitle": "Head of accounting department"
' },
' {
' "Name": "Valerie E. Murphy",
' "FullJobTitle": "Head of marketing department"
' },
' {
' "Name": "Jason Robinson",
' "FullJobTitle": "Specialist"
' },
' {
' "Name": "Megan Lewis",
' "FullJobTitle": "Customer manager"
' },
' {
' "Name": "Peter Moore",
' "FullJobTitle": "Head of development department"
' },
' {
' "Name": "Caleb Jones",
' "FullJobTitle": "CEO"
' },
' {
' "Name": "John Best",
' "FullJobTitle": "Head of sales department"
' },
' {
' "Name": "Tiffany J. Martin",
' "FullJobTitle": "IT Support Engineer"
' },
' {
' "Name": "Tracy Wilkinson",
' "FullJobTitle": "Marketing manager"
' }
' ]
' }
' Sample code for parsing the JSON response...
' Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code
Dim Name As String
Dim FullJobTitle As String
Dim odata_context As String = jResp.StringOf("""@odata.context""")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("value")
While i < count_i
jResp.I = i
Name = jResp.StringOf("value[i].Name")
FullJobTitle = jResp.StringOf("value[i].FullJobTitle")
i = i + 1
End While
Curl Command
curl -G -d "$select=Field1,Field2"
-H "ForceUseSession: true"
-H "BPMCSRF: {{BPMCSRF}}"
https://myserver.com/0/odata/Collection1
Postman Collection Item JSON
{
"name": "$select parameter",
"request": {
"method": "GET",
"header": [
{
"key": "ForceUseSession",
"type": "text",
"value": "true"
},
{
"key": "BPMCSRF",
"type": "text",
"value": "{{BPMCSRF}}"
}
],
"url": {
"raw": "{{BaseURI}}/0/odata/{{CollectionName1}}?$select={{FieldName1}},{{FieldName2}}",
"host": [
"{{BaseURI}}"
],
"path": [
"0",
"odata",
"{{CollectionName1}}"
],
"query": [
{
"key": "$select",
"value": "{{FieldName1}},{{FieldName2}}"
}
]
},
"description": "Request for getting specific fields from an object collection instances via the [$select](http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_SystemQueryOptionselect) parameter."
},
"response": [
{
"name": "[200] Gets object collection instances with selected fields",
"originalRequest": {
"method": "GET",
"header": [
{
"key": "Accept",
"type": "text",
"value": "application/json"
},
{
"key": "Content-Type",
"type": "text",
"value": "application/json; charset=utf-8"
},
{
"key": "ForceUseSession",
"type": "text",
"value": "true"
},
{
"key": "BPMCSRF",
"type": "text",
"value": "{{BPMCSRF}}"
}
],
"url": {
"raw": "https://myserver.com/0/odata/Employee?$select=Name,FullJobTitle",
"protocol": "https",
"host": [
"myserver",
"com"
],
"path": [
"0",
"odata",
"Employee"
],
"query": [
{
"key": "$select",
"value": "Name,FullJobTitle"
}
]
}
},
"status": "OK",
"code": 200,
"_postman_previewlanguage": "json",
"header": [
{
"key": "Cache-Control",
"value": "no-cache"
},
{
"key": "Pragma",
"value": "no-cache"
},
{
"key": "Content-Type",
"value": "application/json; odata.metadata=minimal"
},
{
"key": "Expires",
"value": "-1"
},
{
"key": "Server",
"value": "Microsoft-IIS/10.0"
},
{
"key": "OData-Version",
"value": "4.0"
},
{
"key": "X-AspNet-Version",
"value": "4.0.30319"
},
{
"key": "X-Powered-By",
"value": "ASP.NET"
},
{
"key": "X-Frame-Options",
"value": "SAMEORIGIN"
},
{
"key": "X-Content-Type-Options",
"value": "nosniff"
},
{
"key": "Date",
"value": "Wed, 26 Feb 2020 14:51:34 GMT"
},
{
"key": "Content-Length",
"value": "884"
}
],
"cookie": [
],
"body": "{\n \"@odata.context\": \"https://myserver.com/0/odata/$metadata#Employee(Name,FullJobTitle)\",\n \"value\": [\n {\n \"Name\": \"William Walker\",\n \"FullJobTitle\": \"Developer\"\n },\n {\n \"Name\": \"Timothy Sawyer\",\n \"FullJobTitle\": \"Developer\"\n },\n {\n \"Name\": \"Symon Clarke\",\n \"FullJobTitle\": \"Marketing manager\"\n },\n {\n \"Name\": \"Mary King\",\n \"FullJobTitle\": \"Customer manager\"\n },\n {\n \"Name\": \"Sarah M. Richards\",\n \"FullJobTitle\": \"Head of accounting department\"\n },\n {\n \"Name\": \"Valerie E. Murphy\",\n \"FullJobTitle\": \"Head of marketing department\"\n },\n {\n \"Name\": \"Jason Robinson\",\n \"FullJobTitle\": \"Specialist\"\n },\n {\n \"Name\": \"Megan Lewis\",\n \"FullJobTitle\": \"Customer manager\"\n },\n {\n \"Name\": \"Peter Moore\",\n \"FullJobTitle\": \"Head of development department\"\n },\n {\n \"Name\": \"Caleb Jones\",\n \"FullJobTitle\": \"CEO\"\n },\n {\n \"Name\": \"John Best\",\n \"FullJobTitle\": \"Head of sales department\"\n },\n {\n \"Name\": \"Tiffany J. Martin\",\n \"FullJobTitle\": \"IT Support Engineer\"\n },\n {\n \"Name\": \"Tracy Wilkinson\",\n \"FullJobTitle\": \"Marketing manager\"\n }\n ]\n}"
}
]
}
