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DbBinaryData Class
See Also  Members   Example 
Leadtools.Services.DataContracts Namespace : DbBinaryData Class



Loads and saves files to and from a database.

Object Model


Syntax

Visual Basic (Declaration) 
<DataContractAttribute(Namespace="http://Leadtools.Services.DataContracts/2009/01", Name="DbBinaryData")>
Public Class DbBinaryData 
   Inherits BinaryData
Visual Basic (Usage)Copy Code
Dim instance As DbBinaryData
C# 
[DataContractAttribute(Namespace="http://Leadtools.Services.DataContracts/2009/01", Name="DbBinaryData")]
public class DbBinaryData : BinaryData 
C++/CLI 
[DataContractAttribute(Namespace="http://Leadtools.Services.DataContracts/2009/01", Name="DbBinaryData")]
public ref class DbBinaryData : public BinaryData 

Example

This example will convert a TIF file in a source folder to a CMP file and save it into a database field.

Visual BasicCopy Code
Public Sub DbBinaryDataExample()
   Dim client As RasterServiceClient = New RasterServiceClient()
   Dim sourceBinaryData As FileBinaryData = New FileBinaryData()
   sourceBinaryData.FileName = LeadtoolsExamples.Common.ImagesPath.Path & "clean.tif"

   Dim destinationBinaryData As DbBinaryData = New DbBinaryData()
   destinationBinaryData.Provider = DbBinaryDataProvider.SqlServer
   destinationBinaryData.CommandType = DbBinaryDataCommandType.Text
   destinationBinaryData.CommandText = "insert into ImagesTable (Image) values (@Image);"
   destinationBinaryData.ConnectionString = "server=sp2007ep;" & "Trusted_Connection=yes;" & "database=Images;" & "connection timeout=30"
   destinationBinaryData.Parameters = New DbBinaryDataParameter()
   destinationBinaryData.Parameters.Add("Image", Nothing)
   destinationBinaryData.DataFieldType = DbBinaryDataFieldType.Raw
   destinationBinaryData.DataFieldName = "Image"

   Dim convertOptions As RasterConvertOptions = New RasterConvertOptions()

   convertOptions.Source = sourceBinaryData
   convertOptions.Destination = destinationBinaryData
   convertOptions.Format = RasterImageFormat.Cmp
   convertOptions.FirstPage = 1
   convertOptions.LastPage = 1
   convertOptions.BitsPerPixel = 24
   convertOptions.QualityFactor = 2

   Dim request As ConvertRequest = New ConvertRequest()
   request.ConvertOptions = convertOptions

   client.Convert(request)

   client.Close()
End Sub
C#Copy Code
public void DbBinaryDataExample() 

   RasterServiceClient client = new RasterServiceClient(); 
   FileBinaryData sourceBinaryData = new FileBinaryData(); 
   sourceBinaryData.FileName = LeadtoolsExamples.Common.ImagesPath.Path + "clean.tif"; 
 
   DbBinaryData destinationBinaryData = new DbBinaryData(); 
   destinationBinaryData.Provider = DbBinaryDataProvider.SqlServer; 
   destinationBinaryData.CommandType = DbBinaryDataCommandType.Text; 
   destinationBinaryData.CommandText = "insert into ImagesTable (Image) values (@Image);"; 
   destinationBinaryData.ConnectionString = "server=sp2007ep;" + "Trusted_Connection=yes;" + "database=Images;" + "connection timeout=30"; 
   destinationBinaryData.Parameters = new DbBinaryDataParameter(); 
   destinationBinaryData.Parameters.Add("Image", null); 
   destinationBinaryData.DataFieldType = DbBinaryDataFieldType.Raw; 
   destinationBinaryData.DataFieldName = "Image"; 
 
   RasterConvertOptions convertOptions = new RasterConvertOptions(); 
 
   convertOptions.Source = sourceBinaryData; 
   convertOptions.Destination = destinationBinaryData; 
   convertOptions.Format = RasterImageFormat.Cmp; 
   convertOptions.FirstPage = 1; 
   convertOptions.LastPage = 1; 
   convertOptions.BitsPerPixel = 24; 
   convertOptions.QualityFactor = 2; 
 
   ConvertRequest request = new ConvertRequest(); 
   request.ConvertOptions = convertOptions; 
 
   client.Convert(request); 
 
   client.Close(); 
}

Remarks

Calls the LoadData and SaveData methods internally to load and save data to and from a database field specified by UrlBinaryData.Url.

Inheritance Hierarchy

System.Object
   Leadtools.Services.DataContracts.BinaryData
      Leadtools.Services.DataContracts.DbBinaryData

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

See Also

Applications developed with LEADTOOLS WCF components require runtime licenses. Server licensing is required for applications on a server. For more information, refer to: Imaging Pro/Document/Medical Features