CopyToAsync
CopyToAsync
returns a Task-based asynchronous version of OracleBlob.CopyTo()
.
Overload List:
-
CopyToAsync(Int64, OracleBlob, Int64, Int64)
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
. -
CopyToAsync(Int64, OracleBlob, Int64, Int64, CancellationToken)
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
. -
CopyToAsync(OracleBlob, Int64)
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
. -
CopyToAsync(OracleBlob, Int64, CancellationToken)
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
. -
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
. -
CopyToAsync(OracleBlob, CancellationToken)
This instance method returns a Task-based asynchronous version of
OracleBlob.CopyTo()
.
Example (includes all Overloads)
using Oracle.ManagedDataAccess.Client; using Oracle.ManagedDataAccess.Types; using System; using System.Threading; using System.Threading.Tasks; namespace AsyncApp { class AsyncDemo { static async Task Main(string[] args) { string connectionString = "User Id=HR; Password=<PASSWORD>; Data Source=oracle;"; OracleConnection oc = new OracleConnection(connectionString); await oc.OpenAsync(CancellationToken.None); OracleCommand cmd = oc.CreateCommand(); cmd.CommandText = " select blob_column from tab1"; OracleBlob blob1 = new OracleBlob(oc); OracleBlob blob2 = new OracleBlob(oc); OracleBlob blob3 = new OracleBlob(oc); OracleBlob blob4 = new OracleBlob(oc); OracleBlob blob5 = new OracleBlob(oc); OracleBlob blob6 = new OracleBlob(oc); OracleDataReader reader = await cmd.ExecuteReaderAsync(); await reader.ReadAsync(CancellationToken.None) ; using (OracleBlob blob = reader.GetOracleBlob(0)) { //asynchronously copy blob data Int64 bytesCopied1 = await blob.CopyToAsync(0, blob1, 0, blob.Length); Console.WriteLine("bytes copied to blob1 = " + bytesCopied1); //asynchronously copy blob data Int64 bytesCopied2 = await blob.CopyToAsync(0, blob2, 0, blob.Length, CancellationToken.None); Console.WriteLine("bytes copied to blob2 = " + bytesCopied2); //asynchronously copy blob data Int64 bytesCopied3 = await blob.CopyToAsync(blob3, 0); Console.WriteLine("bytes copied to blob3 = " + bytesCopied3); //asynchronously copy blob data Int64 bytesCopied4 = await blob.CopyToAsync(blob4, 0, CancellationToken.None); Console.WriteLine("bytes copied to blob4 = " + bytesCopied4); //asynchronously copy blob data Int64 bytesCopied5 = await blob.CopyToAsync(blob5); Console.WriteLine("bytes copied to blob5 = " + bytesCopied5); //asynchronously copy blob data Int64 bytesCopied6 = await blob.CopyToAsync(blob6, CancellationToken.None); Console.WriteLine("bytes copied to blob6 = " + bytesCopied6); } } } }