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Devart.Data.MySql Namespace / MySqlBlob Class / SetLength Method
The size of the MySqlBlob in bytes.
Example

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    SetLength Method
    In This Topic
    Sets length for MySqlBlob value.
    Syntax
    'Declaration
 
Public Overrides Sub SetLength( _
   ByVal len As Long _
) 
    public override void SetLength( 
   long len
)

    Parameters

    len
    The size of the MySqlBlob in bytes.
    Remarks
    If the given value is less than the current length of the stream, the stream is truncated. If the given value is larger than the current length of the stream, the stream is expanded. If the stream is expanded, the contents of the stream between the old and the new length are undefined.
    Example
    MySqlDataReader pictureReader = myCommand.ExecuteReader();
pictureReader.Read();
MySqlBlob pictureBlob = pictureReader.GetMySqlBlob(pictureReader.GetOrdinal("Picture"));
if (pictureBlob.Length > 100)
  pictureBlob.SetLength(100);
    Dim pictureReader As MySqlDataReader = myCommand.ExecuteReader
pictureReader.Read()
Dim pictureBlob As MySqlBlob = pictureReader.GetMySqlBlob(pictureReader.GetOrdinal("Picture"))
If (pictureBlob.Length > 100) Then
  pictureBlob.SetLength(CLng(100))
End If
    See Also

    Reference

    MySqlBlob Class
    MySqlBlob Members
    Length Property

     

     

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