MongoDBConsoleApp

Written Solutions for StackOverflow questions.

Reason to contribute:

• Providing (reading) shortcut for referring questions and its solution source code.

Structure:

• Program.cs: Entry point for calling the solution methods
• ISolution.cs: An interface for Solution class.
• Solution_XXX.cs: A class file which implements ISolution and with the written answer.
• Data/Solution_XXX_<Collection?>.json: Sample data collection for Solution class.

Solutions and Linked question:

File	Question
Solution_001	MongoDB .Net Driver - Filter Builder throwing an exception
Solution_002	MongoDB .Net Driver - Pull multiple elements from arrays that exist in multiple documents
Solution_003	Query with filter builder on nested array using MongoDB C# driver with a given array of string
Solution_004	MongoDB .NET Driver - StartsWith & Contains with loosely typed data
Solution_005	MongoDB Driver Builders<dynamic> dont work on equal to date
Solution_006	MongoDB .NET Driver - Pagination on array stored in a document field
Solution_007	How to Filter and get last entry based on date using C# and Mongo
Solution_008	Retrieving list of documents from collection by id in nested list
Solution_009	No array filter found for identifier '-1'
Solution_010	Filter.Lte(x=>x.Price, "9") getting wrong results
Solution_011	Rename nested field in BsonDocument with MongoDB.Driver
Solution_012	MongoDB .Net Driver update Cannot use the part ... to traverse the element
Solution_013
Solution_014	MongoDB.NET Driver query for $lte and $gte throwing error: An object representing an expression must have exactly one field
Solution_015	Convert lambda expressions to json objects using MongoDB.Driver
Solution_016	How to write this MongoDB (Aggregate) query into C#
Solution_017	Issue with data return in MongoDB
Solution_018	C# MongoDB - How to select nested properties only
Solution_019	Not equal to operator for MongoDB query in C# C# MongoDb Driver Convert string to DateTime and for Filter Builder
Solution_020	MongoDB - How to push an embedded array into an existing document
Solution_021	c# and mongodb include or exclude element of array using projection
Solution_022	MongoDB C# Driver: Nested Lookups - How do I "join" nested relations?
Solution_024	How can I flatten this array of subdocuments?
Solution_025	How to "aggregate" with "project.priority" in MongoDB query in C#?
Solution_026	How to perform like on MongoDB document for integer values
Solution_027	How to create an expression in C# from string? How can I materialize a string to the actual type?
Solution_028	MongoDB - Count unread messages
Solution_029	Find lastly added collection with some condition in MongoDB and C#
Solution_030	C# Searching MongoDB string that starts with "xyz"
Solution_031	MongoDB LINQ - How get all keys in all level in a collection
Solution_032	MongoDB .NET Driver - Increment a value inside dictionary
Solution_033	MongoDB - Search a field of type BsonDocument by their values
Solution_034	MongoDb return filtered array elements out of one document in C#
Solution_036	MongoDB .NET Driver - Aggregate group and count
Solution_037	How to IndexKeysDefinitionBuilder change to IndexKeysDefinition (MongoDB in C#)
Solution_038	MongoDB - How to update a single object in the array of objects inside a document
Solution_039	MongoDB - Query max date in collection
Solution_041	MongoDB .NET Driver - Count and average on lookup field
Solution_042	MongoDB - Cannot create field 'ChildProperty' in element with ParentProperty is null
Solution_043	MongoDB .NET Driver - How to push an element into an array which is inside an array
Solution_045	.Net Core MongoDB.Driver ObjectId Null from POCO Mapping
Solution_046	MongoDB .NET Driver - Update Item in Set
Solution_047	MongoDB .NET Driver - How to search the document(s) with fulfilling in the nested documents of an array
Solution_048	MongoDB - Get all elements inside a BsonArray and convert into List<string>
Solution_049	MongoDB .NET Driver - Using ElemMatch with FilterDefiniton
Solution_050	In MongoDB C# how to get nested array to perform aggregation query on it
Solution_051	MongoDB .NET Driver - Using pullFilter to remove string from string array
Solution_052	MongoDB .NET Driver - Aggregation query with calculation based on category
Solution_053	MongoDB .NET Driver - How to access nested element
Solution_055	newbie to CosmoDB how to query collection with multiple values?
Solution_056	MongoDB C# driver - Filter list of array based on specific item id
Solution_057	Cannot dynamically create an instance of type 'System.Text.Json.Nodes.JsonObject'. Reason: No parameterless constructor defined
Solution_058	MongoDB C#/.NET Driver - How to deserialize UUID and ISODate
Solution_059	MongoDB - How do I join the second collection to a child document using LINQ
Solution_060	Increment all fields of a MongoDB document from c#
Solution_061	MongoDB .NET Driver - How to increment double nested field
Solution_062	MongoDB - Select rows by their sequence number in one query
Solution_063	How to filter a collection for nested objects with different types
Solution_064	Using $toLong in MongoDB C# Queries
Solution_065	MongoDB .NET Driver - $lookup result to one merged & grouped array
Solution_068	How to filter using FHIR Identifiers from C# to mongoDB
Solution_069	MongoDB - How to query with multiple AND conditions for phone numbers using FilterDefinition
Solution_070	How to check last element's property of an array using MongoDB C# driver
Solution_071	Serialization inside Mongodb driver filter
Solution_072	MongoDB C# Property serializing with string and int value for query
Solution_073	MongoDB C# Driver: Convert time buckets to a dictionary with key as bucket's time
Solution_074	How to update different fields based on conditions in single call
Solution_075	MongoDB query to transform documents
Solution_076	Problem reading MongoDB data as name + value
Solution_077	Delete and return document in nested array with mongodb c# driver
Solution_078	Dotnet API Error Type System.Text.Json.JsonElement is not configured as a type that is allowed to be serialized for this instance of ObjectSerializer
Solution_079	MongoDB .NET Driver - Update field in nested sub array document
Solution_080	MongoDB Issues with translating JS query to C#
Solution_081	MongoDB Entity Framework Core: Expression Must be Writeable Entity Framework: Save Private Field
Solution_082	How to perform operations on Grandchild using Builders?
Solution_083	MongoDB - How to filter and update on a child of a child
Solution_084	MongoDB document does not map correctly to an object
Solution_085	How to filter on an array of objects that equals name and contains value?
Solution_086	MongoDB C# - How to do sorting and pagination with an array of objects on a record
Solution_087	MongoDB - Count number of object in array
Solution_088	Backward Compatible Mongo fields using C# and .NET
Solution_089	How to Aggregate MongoDB Collections using C# Classes
Solution_090	MongoDB .NET - Updating embedded document in list with filters based on Parent and Child