C# SDK Samples - Query (COQL) Operations

Get Records through a COQL Query
              
              
using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using Com.Zoho.Crm.API.Query;
using Com.Zoho.Crm.API.Util;
using Newtonsoft.Json;
namespace Com.Zoho.Crm.Sample.Query
{
    public class Query
    {
        /**
         *  Get Records 
         * This method is used to get records from the module through a COQL query.
         * @throws Exception
         */
        public static void GetRecords()
        {
            //Get instance of QueryOperations Class
            QueryOperations queryOperations = new QueryOperations();
            //Get instance of BodyWrapper Class that will contain the request body
            BodyWrapper bodyWrapper = new BodyWrapper();
            string selectQuery = "select Last_Name from Leads where Last_Name is not null limit 200";
            bodyWrapper.SelectQuery = selectQuery;
            //Call getRecords method that takes BodyWrapper instance as parameter 
            APIResponse<ResponseHandler> response = queryOperations.GetRecords(bodyWrapper);
            if (response != null)
            {
                //Get the status code from response
                Console.WriteLine("Status Code: " + response.StatusCode);
                //Check if expected response is received
                if (response.IsExpected)
                {
                    //Get the object from response
                    ResponseHandler responseHandler = response.Object;
                    if (responseHandler is ResponseWrapper)
                    {
                        //Get the received ResponseWrapper instance
                        ResponseWrapper responseWrapper = (ResponseWrapper)responseHandler;
                        //Get the obtained Record instances
                        List<API.Record.Record> records = responseWrapper.Data;
                        foreach (API.Record.Record record in records)
                        {
                            //Get the ID of each Record
                            Console.WriteLine("Record ID: " + record.Id);
                            //Get the createdBy User instance of each Record
                            API.Users.User createdBy = record.CreatedBy;
                            //Check if createdBy is not null
                            if (createdBy != null)
                            {
                                //Get the ID of the createdBy User
                                Console.WriteLine("Record Created By User-ID: " + createdBy.Id);
                                //Get the name of the createdBy User
                                Console.WriteLine("Record Created By User-Name: " + createdBy.Name);
                                //Get the Email of the createdBy User
                                Console.WriteLine("Record Created By User-Email: " + createdBy.Email);
                            }
                            //Get the CreatedTime of each Record
                            Console.WriteLine("Record CreatedTime: " + record.CreatedTime);
                            //Get the modifiedBy User instance of each Record
                            API.Users.User modifiedBy = record.ModifiedBy;
                            //Check if modifiedBy is not null
                            if (modifiedBy != null)
                            {
                                //Get the ID of the modifiedBy User
                                Console.WriteLine("Record Modified By User-ID: " + modifiedBy.Id);
                                //Get the name of the modifiedBy User
                                Console.WriteLine("Record Modified By User-Name: " + modifiedBy.Name);
                                //Get the Email of the modifiedBy User
                                Console.WriteLine("Record Modified By User-Email: " + modifiedBy.Email);
                            }
                            //Get the ModifiedTime of each Record
                            Console.WriteLine("Record ModifiedTime: " + record.ModifiedTime);
                            //To get particular field value 
                            Console.WriteLine("Record Field Value: " + record.GetKeyValue("Last_Name"));// FieldApiName
                            Console.WriteLine("Record KeyValues: ");
                            //Get the KeyValue map
                            foreach (KeyValuePair<string, object> entry in record.GetKeyValues())
                            {
                                string keyName = entry.Key;
                                object value = entry.Value;
                                if (value is IList)
                                {
                                    Console.WriteLine("Record KeyName : " + keyName);
                                    IList dataList = (IList)value;
                                    foreach (object data in dataList)
                                    {
                                        if (data is IDictionary)
                                        {
                                            Console.WriteLine("Record KeyName : " + keyName + " - Value : ");
                                            foreach (KeyValuePair<string, object> entry1 in (Dictionary<string, object>)data)
                                            {
                                                Console.WriteLine(entry1.Key + " : " + JsonConvert.SerializeObject(entry1.Value));
                                            }
                                        }
                                        else
                                        {
                                            Console.WriteLine(JsonConvert.SerializeObject(data));
                                        }
                                    }
                                }
                                else if (value is IDictionary)
                                {
                                    Console.WriteLine("Record KeyName : " + keyName + " - Value : ");
                                    foreach (KeyValuePair<string, object> entry1 in (Dictionary<string, object>)value)
                                    {
                                        Console.WriteLine(entry1.Key + " : " + JsonConvert.SerializeObject(entry1.Value));
                                    }
                                }
                                else
                                {
                                    Console.WriteLine("Record KeyName : " + keyName + " - Value : " + JsonConvert.SerializeObject(value));
                                }
                            }
                        }
                        //Get the Object obtained Info instance
                        API.Record.Info info = responseWrapper.Info;
                        //Check if info is not null
                        if (info != null)
                        {
                            if (info.Count != null)
                            {
                                //Get the Count of the Info
                                Console.WriteLine("Record Info Count: " + info.Count.ToString());
                            }
                            if (info.MoreRecords != null)
                            {
                                //Get the MoreRecords of the Info
                                Console.WriteLine("Record Info MoreRecords: " + info.MoreRecords.ToString());
                            }
                        }
                    }
                    //Check if the request returned an exception
                    else if (responseHandler is APIException)
                    {
                        //Get the received APIException instance
                        APIException exception = (APIException)responseHandler;
                        //Get the Status
                        Console.WriteLine("Status: " + exception.Status.Value);
                        //Get the Code
                        Console.WriteLine("Code: " + exception.Code.Value);
                        Console.WriteLine("Details: ");
                        //Get the details map
                        foreach (KeyValuePair<string, object> entry in exception.Details)
                        {
                            //Get each value in the map
                            Console.WriteLine(entry.Key + " : " + entry.Value);
                        }
                        //Get the Message
                        Console.WriteLine("Message: " + exception.Message.Value);
                    }
                }
                else
                {//If response is not as expected
                    //Get model object from response
                    Model responseObject = response.Model;
                    //Get the response object's class
                    Type type = responseObject.GetType();
                    //Get all declared fields of the response class
                    Console.WriteLine("Type is: {0}", type.Name);
                    PropertyInfo[] props = type.GetProperties();
                    Console.WriteLine("Properties (N = {0}):", props.Length);
                    foreach (var prop in props)
                    {
                        if (prop.GetIndexParameters().Length == 0)
                        {
                            Console.WriteLine("{0} ({1}) : {2}", prop.Name, prop.PropertyType.Name, prop.GetValue(responseObject));
                        }
                        else
                        {
                            Console.WriteLine("{0} ({1}) : <Indexed>", prop.Name, prop.PropertyType.Name);
                        }
                    }
                }
            }
        }
    }
}