CloudAppendBlob.UploadFromByteArray Method

Reference

Definition

Namespace:: Microsoft.Azure.Storage.Blob

Assembly:: Microsoft.Azure.Storage.Blob.dll

Package:: Microsoft.Azure.Storage.Blob v11.2.3

Important

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Uploads the contents of a byte array to an append blob. If the blob already exists, it will be overwritten. Recommended only for single-writer scenarios.

[Microsoft.Azure.Storage.DoesServiceRequest]
public virtual void UploadFromByteArray (byte[] buffer, int index, int count, Microsoft.Azure.Storage.AccessCondition accessCondition = default, Microsoft.Azure.Storage.Blob.BlobRequestOptions options = default, Microsoft.Azure.Storage.OperationContext operationContext = default);

[<Microsoft.Azure.Storage.DoesServiceRequest>]
abstract member UploadFromByteArray : byte[] * int * int * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext -> unit
override this.UploadFromByteArray : byte[] * int * int * Microsoft.Azure.Storage.AccessCondition * Microsoft.Azure.Storage.Blob.BlobRequestOptions * Microsoft.Azure.Storage.OperationContext -> unit

Public Overridable Sub UploadFromByteArray (buffer As Byte(), index As Integer, count As Integer, Optional accessCondition As AccessCondition = Nothing, Optional options As BlobRequestOptions = Nothing, Optional operationContext As OperationContext = Nothing)

Parameters

buffer: Byte[]

An array of bytes.

index: Int32

The zero-based byte offset in buffer at which to begin uploading bytes to the blob.

count: Int32

The number of bytes to be written to the blob.

accessCondition: AccessCondition

An AccessCondition object that represents the condition that must be met in order for the request to proceed.

options: BlobRequestOptions

A BlobRequestOptions object that specifies additional options for the request. If null, default options are applied to the request.

operationContext: OperationContext

An OperationContext object that represents the context for the current operation.

Implements

UploadFromByteArray(Byte[], Int32, Int32, AccessCondition, BlobRequestOptions, OperationContext)

Attributes: DoesServiceRequestAttribute

Remarks

Use this method only in single-writer scenarios. Internally, this method uses the append-offset conditional header to avoid duplicate blocks, which may cause problems in multiple-writer scenarios. If you have a single-writer scenario, see AbsorbConditionalErrorsOnRetry to determine whether setting this flag to true is acceptable for your scenario. To append data to an append blob that already exists, see AppendFromByteArray(Byte[], Int32, Int32, AccessCondition, BlobRequestOptions, OperationContext).

Applies to

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