DB2 Version 10.1 for Linux, UNIX, and Windows

DB2Blob Class

Represents the BLOB DB2® data type. Encapsulates the byte[] .NET data type.

Namespace:: IBM®.Data.DB2Types
Assembly:: IBM.Data.DB2 (in IBM.Data.DB2.dll)

Syntax

[Visual Basic]
Public Structure DB2Blob
[C#]
public struct DB2Blob
[C++]
public value class DB2Blob

Example

[C#] The following example demonstrates how to retrieve a single BLOB column value from a table.

[C#]
  public static DB2Blob getParam(DB2Connection conn)
  {
      string mySelectQuery = "SELECT * FROM EMP_PHOTO";
      DB2Command myCommand = new DB2Command(mySelectQuery, conn);

      DB2DataReader reader = myCommand.ExecuteReader();

      if (reader.Read())
      {
          DB2Blob selectValue = reader.GetDB2Blob(2);

          if (!selectValue.IsNull) { return selectValue; }
      }

      return null;
  }

Thread safety

Any public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Version information

Last update: This topic was last updated for: IBM DB2 Version 9.7
.NET Framework version: Supported in: 2.0, 3.0, 3.5 and 4.0
IBM Data Server Client: Supported in: IBM DB2 Version 9