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

SetLength Method
Sets length for MySqlBlob value.
Syntax
'Declaration
 
Public Overrides Sub SetLength( _
   ByVal len As Long _
) 
 

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