Get _id of an inserted document in MongoDB?
say I have a product listing. When I add a new product I save it using something like
var doc=products.Insert<ProductPDO>(p);
The problem is that I want after this is done to redirect the user to the page with the product. So I need to redirect to say /products/<ObjectID>
However, I see no way of getting the ObjectID right afterwards without manually querying the database and look for a document with all the same fields and such.
Is there an easier way? (also, doc in this instance returns null for some reason)
c# mongodb mongodb-.net-driver
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
add a comment |
say I have a product listing. When I add a new product I save it using something like
var doc=products.Insert<ProductPDO>(p);
The problem is that I want after this is done to redirect the user to the page with the product. So I need to redirect to say /products/<ObjectID>
However, I see no way of getting the ObjectID right afterwards without manually querying the database and look for a document with all the same fields and such.
Is there an easier way? (also, doc in this instance returns null for some reason)
c# mongodb mongodb-.net-driver
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
add a comment |
say I have a product listing. When I add a new product I save it using something like
var doc=products.Insert<ProductPDO>(p);
The problem is that I want after this is done to redirect the user to the page with the product. So I need to redirect to say /products/<ObjectID>
However, I see no way of getting the ObjectID right afterwards without manually querying the database and look for a document with all the same fields and such.
Is there an easier way? (also, doc in this instance returns null for some reason)
c# mongodb mongodb-.net-driver
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
say I have a product listing. When I add a new product I save it using something like
var doc=products.Insert<ProductPDO>(p);
The problem is that I want after this is done to redirect the user to the page with the product. So I need to redirect to say /products/<ObjectID>
However, I see no way of getting the ObjectID right afterwards without manually querying the database and look for a document with all the same fields and such.
Is there an easier way? (also, doc in this instance returns null for some reason)
c# mongodb mongodb-.net-driver
c# mongodb mongodb-.net-driver
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
asked Jan 3 '11 at 8:06
EarlzEarlz
31.1k77242460
31.1k77242460
add a comment |
add a comment |
4 Answers
4
active
oldest
votes
You can check the id field of the inserted document. It should be filled in.
Edited by asker:
Just to be clear, in order to make an id field in your own classes you just use:
[BsonId]
public ObjectId ID{get;set;}
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
add a comment |
When you insert an object into the mongodb, mongo will update the object with the internal ID.
So if
data = {
title: "Howdy"
}
Then when we insert the data object into the db
db.collection('collectionName', function(err, collection) {
collection.insert(data);
console.log(data._id); // <- The mongodb id is now set on the item
});
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
add a comment |
As the comment above, add the fild ID in your model with
[BsonId]
[BsonRepresentation(BsonType.ObjectId)]
public string id { get; set; }
using:
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
and then when you insert the object, mongo return the ID of the document into the fild ID of the model.
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
add a comment |
If you know the type of ID you can do something like this:
public static TId GetId<TId>(this BsonDocument document) where TId : struct
{
if (document == default(BsonDocument))
{
throw new ArgumentNullException("document");
}
var id = document["_id"];
object idAsObject;
if (id.IsGuid)
{
idAsObject = (object)id.AsGuid;
}
else if (id.IsObjectId)
{
idAsObject = (object)id.AsObjectId;
}
else
{
throw new NotImplementedException(string.Format("Unknown _id type "{0}"", id.BsonType));
}
var idCasted = (TId)idAsObject;
return idCasted;
}
Use it like this:
Guid idOfDoc = myBsonDocument.GetId<Guid>();
Still you should prefere have a dedicated property as in the chosen answer...
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
add a comment |
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4 Answers
4
active
oldest
votes
4 Answers
4
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can check the id field of the inserted document. It should be filled in.
Edited by asker:
Just to be clear, in order to make an id field in your own classes you just use:
[BsonId]
public ObjectId ID{get;set;}
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
add a comment |
You can check the id field of the inserted document. It should be filled in.
Edited by asker:
Just to be clear, in order to make an id field in your own classes you just use:
[BsonId]
public ObjectId ID{get;set;}
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
add a comment |
You can check the id field of the inserted document. It should be filled in.
Edited by asker:
Just to be clear, in order to make an id field in your own classes you just use:
[BsonId]
public ObjectId ID{get;set;}
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
You can check the id field of the inserted document. It should be filled in.
Edited by asker:
Just to be clear, in order to make an id field in your own classes you just use:
[BsonId]
public ObjectId ID{get;set;}
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
edited Jan 3 '11 at 8:26
Earlz
31.1k77242460
31.1k77242460
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
answered Jan 3 '11 at 8:11
Scott HernandezScott Hernandez
6,39212825
6,39212825
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
add a comment |
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
for those newer to .NET this is still not clear. In what c sharp object can I extract the new ID? can you post example code?
– Vincent Buscarello
Sep 7 '18 at 19:02
add a comment |
When you insert an object into the mongodb, mongo will update the object with the internal ID.
So if
data = {
title: "Howdy"
}
Then when we insert the data object into the db
db.collection('collectionName', function(err, collection) {
collection.insert(data);
console.log(data._id); // <- The mongodb id is now set on the item
});
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
add a comment |
When you insert an object into the mongodb, mongo will update the object with the internal ID.
So if
data = {
title: "Howdy"
}
Then when we insert the data object into the db
db.collection('collectionName', function(err, collection) {
collection.insert(data);
console.log(data._id); // <- The mongodb id is now set on the item
});
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
add a comment |
When you insert an object into the mongodb, mongo will update the object with the internal ID.
So if
data = {
title: "Howdy"
}
Then when we insert the data object into the db
db.collection('collectionName', function(err, collection) {
collection.insert(data);
console.log(data._id); // <- The mongodb id is now set on the item
});
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
When you insert an object into the mongodb, mongo will update the object with the internal ID.
So if
data = {
title: "Howdy"
}
Then when we insert the data object into the db
db.collection('collectionName', function(err, collection) {
collection.insert(data);
console.log(data._id); // <- The mongodb id is now set on the item
});
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
answered Dec 14 '12 at 6:22
Shaheen GhiassyShaheen Ghiassy
5,14223237
5,14223237
add a comment |
add a comment |
As the comment above, add the fild ID in your model with
[BsonId]
[BsonRepresentation(BsonType.ObjectId)]
public string id { get; set; }
using:
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
and then when you insert the object, mongo return the ID of the document into the fild ID of the model.
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
add a comment |
As the comment above, add the fild ID in your model with
[BsonId]
[BsonRepresentation(BsonType.ObjectId)]
public string id { get; set; }
using:
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
and then when you insert the object, mongo return the ID of the document into the fild ID of the model.
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
add a comment |
As the comment above, add the fild ID in your model with
[BsonId]
[BsonRepresentation(BsonType.ObjectId)]
public string id { get; set; }
using:
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
and then when you insert the object, mongo return the ID of the document into the fild ID of the model.
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
As the comment above, add the fild ID in your model with
[BsonId]
[BsonRepresentation(BsonType.ObjectId)]
public string id { get; set; }
using:
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
and then when you insert the object, mongo return the ID of the document into the fild ID of the model.
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
answered Jul 26 '17 at 15:15
Jorge Barraza ZJorge Barraza Z
614
614
add a comment |
add a comment |
If you know the type of ID you can do something like this:
public static TId GetId<TId>(this BsonDocument document) where TId : struct
{
if (document == default(BsonDocument))
{
throw new ArgumentNullException("document");
}
var id = document["_id"];
object idAsObject;
if (id.IsGuid)
{
idAsObject = (object)id.AsGuid;
}
else if (id.IsObjectId)
{
idAsObject = (object)id.AsObjectId;
}
else
{
throw new NotImplementedException(string.Format("Unknown _id type "{0}"", id.BsonType));
}
var idCasted = (TId)idAsObject;
return idCasted;
}
Use it like this:
Guid idOfDoc = myBsonDocument.GetId<Guid>();
Still you should prefere have a dedicated property as in the chosen answer...
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
add a comment |
If you know the type of ID you can do something like this:
public static TId GetId<TId>(this BsonDocument document) where TId : struct
{
if (document == default(BsonDocument))
{
throw new ArgumentNullException("document");
}
var id = document["_id"];
object idAsObject;
if (id.IsGuid)
{
idAsObject = (object)id.AsGuid;
}
else if (id.IsObjectId)
{
idAsObject = (object)id.AsObjectId;
}
else
{
throw new NotImplementedException(string.Format("Unknown _id type "{0}"", id.BsonType));
}
var idCasted = (TId)idAsObject;
return idCasted;
}
Use it like this:
Guid idOfDoc = myBsonDocument.GetId<Guid>();
Still you should prefere have a dedicated property as in the chosen answer...
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
add a comment |
If you know the type of ID you can do something like this:
public static TId GetId<TId>(this BsonDocument document) where TId : struct
{
if (document == default(BsonDocument))
{
throw new ArgumentNullException("document");
}
var id = document["_id"];
object idAsObject;
if (id.IsGuid)
{
idAsObject = (object)id.AsGuid;
}
else if (id.IsObjectId)
{
idAsObject = (object)id.AsObjectId;
}
else
{
throw new NotImplementedException(string.Format("Unknown _id type "{0}"", id.BsonType));
}
var idCasted = (TId)idAsObject;
return idCasted;
}
Use it like this:
Guid idOfDoc = myBsonDocument.GetId<Guid>();
Still you should prefere have a dedicated property as in the chosen answer...
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
If you know the type of ID you can do something like this:
public static TId GetId<TId>(this BsonDocument document) where TId : struct
{
if (document == default(BsonDocument))
{
throw new ArgumentNullException("document");
}
var id = document["_id"];
object idAsObject;
if (id.IsGuid)
{
idAsObject = (object)id.AsGuid;
}
else if (id.IsObjectId)
{
idAsObject = (object)id.AsObjectId;
}
else
{
throw new NotImplementedException(string.Format("Unknown _id type "{0}"", id.BsonType));
}
var idCasted = (TId)idAsObject;
return idCasted;
}
Use it like this:
Guid idOfDoc = myBsonDocument.GetId<Guid>();
Still you should prefere have a dedicated property as in the chosen answer...
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
answered Mar 1 '18 at 12:11
CodingYourLifeCodingYourLife
1,33831632
1,33831632
add a comment |
add a comment |
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