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DbDataReader::GetBytes Method (Int32, Int64, array<Byte>^, Int32, Int32)
.NET Framework (current version)
Reads a stream of bytes from the specified column, starting at location indicated by dataOffset, into the buffer, starting at the location indicated by bufferOffset.
Assembly: System.Data (in System.Data.dll)
public: virtual long long GetBytes( int ordinal, long long dataOffset, array<unsigned char>^ buffer, int bufferOffset, int length ) abstract
Parameters
- ordinal
-
Type:
System::Int32
The zero-based column ordinal.
- dataOffset
-
Type:
System::Int64
The index within the row from which to begin the read operation.
- buffer
-
Type:
array<System::Byte>^
The buffer into which to copy the data.
- bufferOffset
-
Type:
System::Int32
The index with the buffer to which the data will be copied.
- length
-
Type:
System::Int32
The maximum number of characters to read.
| Exception | Condition |
|---|---|
| InvalidCastException | The specified cast is not valid. |
Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Available since 10
.NET Framework
Available since 2.0
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