mongodb-.net-driver

来源： https://stackoverflow.com/questions/63879412/unit-testing-with-imongoqueryable-system-invalidcastexception-unable-to-cast-o

问题 I have installed mongodb Replica Set, in the file mongod.conf has added BIND_IP as below net: port: 27017 bindIp: 127.0.0.1, 100.0.192.68 When I use robo3t to connect the "replica set" type the error, but when connected to the "Direct Connection" is successful. error TYPE="Replica Set Connection string C# "mongodb://100.0.192.68:27017,100.0.192.68:27017/databasename?safe=true&connect=replicaSet&replicaSet=r0" 回答1: Robo 3T seems to have problems to access replica sets with authenticated

问题 I have installed mongodb Replica Set, in the file mongod.conf has added BIND_IP as below net: port: 27017 bindIp: 127.0.0.1, 100.0.192.68 When I use robo3t to connect the "replica set" type the error, but when connected to the "Direct Connection" is successful. error TYPE="Replica Set Connection string C# "mongodb://100.0.192.68:27017,100.0.192.68:27017/databasename?safe=true&connect=replicaSet&replicaSet=r0" 回答1: Robo 3T seems to have problems to access replica sets with authenticated

问题 My goal for this app is to create logic that monitors the database and will trigger actions when a document is added to the database (like sending an email). However, since this application may not be started when a database is first populated, how can I manually create a ResumeToken that points to the very first document that was added into a collection, so that on the first run, I can start at the beginning and iterate through the changes until I reach the end. I recognize that I'll need to

问题 My goal for this app is to create logic that monitors the database and will trigger actions when a document is added to the database (like sending an email). However, since this application may not be started when a database is first populated, how can I manually create a ResumeToken that points to the very first document that was added into a collection, so that on the first run, I can start at the beginning and iterate through the changes until I reach the end. I recognize that I'll need to

问题 I'm using Mongo DB c# driver 2, I'm trying to join 2 collections by ID (Many to Many) Class A { public string id; public string name; public list<string> classBReferenceid; // <--- I want use this as the "keys" for the join public list<B> myBs; } Class B { public string id; // <--- I use this as the "key" for the join public string name; } In my DB class "A" is saved without the data of "myBs" and I want to pull it from mongo in one call. I tried to use the Lookup function: IMongoCollection<A

问题 I'm using Mongo DB c# driver 2, I'm trying to join 2 collections by ID (Many to Many) Class A { public string id; public string name; public list<string> classBReferenceid; // <--- I want use this as the "keys" for the join public list<B> myBs; } Class B { public string id; // <--- I use this as the "key" for the join public string name; } In my DB class "A" is saved without the data of "myBs" and I want to pull it from mongo in one call. I tried to use the Lookup function: IMongoCollection<A

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 days ago . Improve this question Giving these classes in C# Inbox.cs public class Inbox : TDocument { public string Name {get;set;} public List<MongoDBRef> WorkOrdersRef {get;set;} public List<InboxRule> Rules {get;set;} [BsonIgnore] public List<WorkOrder> WorkOrders {get;set;} } InboxRule.cs

问题 How can i make filter and add/update third, fourth level child of a mongodb document using C#. I can add/Update till second level but not further. Please provide me a solution or any kind reference from where can get help. Is there any other way to do it except builders..Elemmatch. Here is my classes and code: namespace CrudWithMultilvelNestedDoc { public class Channel { [BsonId] [BsonRepresentation(BsonType.String)] public string Id { get; set; } public string Name { get; set; } public

问题 I'm using auto increment fild as discussed here. I can execute this example in Mongo Console, but how can I implement such a thing using c# driver ? db.products.insert({ "_id":getNextSequenceValue("productid"), "product_name":"Apple iPhone", "category":"mobiles" }) Is it possible to specify a function in the write operation ? I could call this function using Eval, but as it is being deprecated, I would like to find a solution without using it. 回答1: As exemplified here: var client = new