全部。我有一个文件，它是通过C#驱动程序2.1rc1与自定义元数据一起上传到MongoDB(GridFS)的。对于上传，我使用:varmongoClient=newMongoClient("mongodb://localhost:27017");vardb=mongoClient.GetDatabase("test");varmongoCollection=db.GetCollection("Files");//InitializingGdridFSconectionGridFSBucketbucket=newGridFSBucket(db);//Uploadingreceivedfi

我无法通过ObjectID获取GridFSFileInfo，但通过文件名成功，错误信息是:无法确定x=>x.Id的序列化信息stringobjectID=ObjectIDTxt.Text.Trim();GridFSBucketOptionsbucketOptions=newGridFSBucketOptions();bucketOptions.BucketName="myBucket";ObjectIdgridfsObjectID=newObjectId(objectID);//byfilenamewillsucceed//varfilter=Builders.Filter.Eq(x=

我无法通过ObjectID获取GridFSFileInfo，但通过文件名成功，错误信息是:无法确定x=>x.Id的序列化信息stringobjectID=ObjectIDTxt.Text.Trim();GridFSBucketOptionsbucketOptions=newGridFSBucketOptions();bucketOptions.BucketName="myBucket";ObjectIdgridfsObjectID=newObjectId(objectID);//byfilenamewillsucceed//varfilter=Builders.Filter.Eq(x=