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C# / Creatio API / $filter parameter (eq and ne operators) with AND logical function

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// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Http http = new Chilkat.Http();
bool success;

Chilkat.JsonObject queryParams = new Chilkat.JsonObject();
queryParams.UpdateString("$filter","Field2 eq 'Field2Value' and Collection2/Field1 ne 'Field1Value'");

http.SetRequestHeader("ForceUseSession","true");
http.SetRequestHeader("BPMCSRF","{{BPMCSRF}}");

Chilkat.HttpResponse resp = http.QuickRequestParams("GET","https://myserver.com/0/odata/Collection1",queryParams);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);

Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("Failed.");

    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "@odata.context": "https://myserver.com/0/odata/$metadata#Employee",
//   "value": [
//     {
//       "Id": "c31c7862-fe33-4a13-9bbc-0943fa08fd02",
//       "CreatedOn": "2017-03-30T14:50:04Z",
//       "CreatedById": "76929f8c-7e15-4c64-bdb0-adc62d383727",
//       "ModifiedOn": "2020-02-14T06:30:46.234Z",
//       "ModifiedById": "410006e1-ca4e-4502-a9ec-e54d922d2c00",
//       "ProcessListeners": 0,
//       "ContactId": "227aab3b-7c0c-4181-abf9-81585563ab23",
//       "Name": "William Walker",
//       "OrgStructureUnitId": "d436a9ce-9690-4415-9e03-e8061d7cabb5",
//       "Notes": "",
//       "JobId": "11d68189-ced6-df11-9b2a-001d60e938c6",
//       "FullJobTitle": "Developer",
//       "OwnerId": "76929f8c-7e15-4c64-bdb0-adc62d383727",
//       "CareerStartDate": "2019-09-08T00:00:00Z",
//       "CareerDueDate": "0001-01-01T00:00:00Z",
//       "ProbationDueDate": "2020-01-09T00:00:00Z",
//       "ReasonForDismissalId": "00000000-0000-0000-0000-000000000000",
//       "AccountId": "a0bf3e92-f36b-1410-0499-00155d043204",
//       "ManagerId": "3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb"
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

string Id;
string CreatedOn;
string CreatedById;
string ModifiedOn;
string ModifiedById;
int ProcessListeners;
string ContactId;
string Name;
string OrgStructureUnitId;
string Notes;
string JobId;
string FullJobTitle;
string OwnerId;
string CareerStartDate;
string CareerDueDate;
string ProbationDueDate;
string ReasonForDismissalId;
string AccountId;
string ManagerId;

string odata_context = jResp.StringOf("\"@odata.context\"");
int i = 0;
int count_i = jResp.SizeOfArray("value");
while (i < count_i) {
    jResp.I = i;
    Id = jResp.StringOf("value[i].Id");
    CreatedOn = jResp.StringOf("value[i].CreatedOn");
    CreatedById = jResp.StringOf("value[i].CreatedById");
    ModifiedOn = jResp.StringOf("value[i].ModifiedOn");
    ModifiedById = jResp.StringOf("value[i].ModifiedById");
    ProcessListeners = jResp.IntOf("value[i].ProcessListeners");
    ContactId = jResp.StringOf("value[i].ContactId");
    Name = jResp.StringOf("value[i].Name");
    OrgStructureUnitId = jResp.StringOf("value[i].OrgStructureUnitId");
    Notes = jResp.StringOf("value[i].Notes");
    JobId = jResp.StringOf("value[i].JobId");
    FullJobTitle = jResp.StringOf("value[i].FullJobTitle");
    OwnerId = jResp.StringOf("value[i].OwnerId");
    CareerStartDate = jResp.StringOf("value[i].CareerStartDate");
    CareerDueDate = jResp.StringOf("value[i].CareerDueDate");
    ProbationDueDate = jResp.StringOf("value[i].ProbationDueDate");
    ReasonForDismissalId = jResp.StringOf("value[i].ReasonForDismissalId");
    AccountId = jResp.StringOf("value[i].AccountId");
    ManagerId = jResp.StringOf("value[i].ManagerId");
    i = i + 1;
}

Curl Command

curl -G -d "$filter=Field2%20eq%20%27Field2Value%27%20and%20Collection2%2FField1%20ne%20%27Field1Value%27"
	-H "ForceUseSession: true"
	-H "BPMCSRF: {{BPMCSRF}}"
https://myserver.com/0/odata/Collection1

Postman Collection Item JSON

{
  "name": "$filter parameter (eq and ne operators) with AND logical function",
  "protocolProfileBehavior": {
    "disableBodyPruning": true
  },
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "ForceUseSession",
        "type": "text",
        "value": "true"
      },
      {
        "key": "BPMCSRF",
        "type": "text",
        "value": "{{BPMCSRF}}"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": ""
    },
    "url": {
      "raw": "{{BaseURI}}/0/odata/{{CollectionName1}}?$filter={{FieldName2}} eq '{{FieldName2Value1}}' and {{CollectionName2}}/{{FieldName1}} ne '{{FieldName1Value1}}'",
      "host": [
        "{{BaseURI}}"
      ],
      "path": [
        "0",
        "odata",
        "{{CollectionName1}}"
      ],
      "query": [
        {
          "key": "$filter",
          "value": "{{FieldName2}} eq '{{FieldName2Value1}}' and {{CollectionName2}}/{{FieldName1}} ne '{{FieldName1Value1}}'"
        }
      ]
    },
    "description": "Request for getting filtered object collection instances via the [$filter](http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_SystemQueryOptionfilter) parameter with [AND](http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_And) logical function."
  },
  "response": [
    {
      "name": "[200] Gets object collection instances, filtered by several conditions",
      "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?$filter=FullJobTitle eq 'Developer' and Account/Name ne 'Our company'",
          "protocol": "https",
          "host": [
            "myserver",
            "com"
          ],
          "path": [
            "0",
            "odata",
            "Employee"
          ],
          "query": [
            {
              "key": "$filter",
              "value": "FullJobTitle eq 'Developer' and Account/Name ne 'Our company'"
            }
          ]
        }
      },
      "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 14:46:47 GMT"
        },
        {
          "key": "Content-Length",
          "value": "881"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"@odata.context\": \"https://myserver.com/0/odata/$metadata#Employee\",\n    \"value\": [\n        {\n            \"Id\": \"c31c7862-fe33-4a13-9bbc-0943fa08fd02\",\n            \"CreatedOn\": \"2017-03-30T14:50:04Z\",\n            \"CreatedById\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"ModifiedOn\": \"2020-02-14T06:30:46.234Z\",\n            \"ModifiedById\": \"410006e1-ca4e-4502-a9ec-e54d922d2c00\",\n            \"ProcessListeners\": 0,\n            \"ContactId\": \"227aab3b-7c0c-4181-abf9-81585563ab23\",\n            \"Name\": \"William Walker\",\n            \"OrgStructureUnitId\": \"d436a9ce-9690-4415-9e03-e8061d7cabb5\",\n            \"Notes\": \"\",\n            \"JobId\": \"11d68189-ced6-df11-9b2a-001d60e938c6\",\n            \"FullJobTitle\": \"Developer\",\n            \"OwnerId\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"CareerStartDate\": \"2019-09-08T00:00:00Z\",\n            \"CareerDueDate\": \"0001-01-01T00:00:00Z\",\n            \"ProbationDueDate\": \"2020-01-09T00:00:00Z\",\n            \"ReasonForDismissalId\": \"00000000-0000-0000-0000-000000000000\",\n            \"AccountId\": \"a0bf3e92-f36b-1410-0499-00155d043204\",\n            \"ManagerId\": \"3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb\"\n        }\n    ]\n}"
    }
  ]
}