Error File

public static void WriteError(string errorMessage, Exception objException)
        {
            try
            {
                string path = "~/ErrorLogs/" + DateTime.Today.ToString("dd-mm-yy") + ".txt";
                if (!File.Exists(System.Web.HttpContext.Current.Server.MapPath(path)))
                {
                    File.Create(System.Web.HttpContext.Current.Server.MapPath(path)).Close();
                }
                using (StreamWriter w = File.AppendText(System.Web.HttpContext.Current.Server.MapPath(path)))
                {
                    w.WriteLine("\r\n Error Logs : ");

                    string err = "An Unhandled Exception Occured in: " + System.Web.HttpContext.Current.Request.Url.ToString() + "\r\n" +

                                  "\r\n Machine Name        : " + Dns.GetHostName().ToString() + "\r\n" +
                                  "\r\n Date                : " + DateTime.Now.ToString(CultureInfo.InvariantCulture) + "\r\n" +
                                  "\r\n Method Name            : " + objException.TargetSite.Name.ToString() + "\r\n" +
                                  "\r\n Error Message        : " + objException.Message.ToString().Trim() + "\r\n" +
                                  "\r\n Stack Trace            : " + objException.StackTrace.ToString().Trim();
                    w.WriteLine(err);
                    w.WriteLine("^^-------------------------------------------------------------------^^");
                    w.Flush();
                    w.Close();
                }
            }
            catch (Exception ex)
            {
                WriteError(ex.Message, ex);
            }

        }

Making serilization

 Category cat1 = new Category();
            cat1.Available = true;
            cat1.CategoryCode = "CatCode1";
            cat1.CategoryID = Guid.NewGuid();
           
            cat1.IsProgramLevel = true;
            cat1.ParentCategoryID = Guid.NewGuid();
            cat1.StringID = Guid.NewGuid();
            cat1.CategoryName = new LocalizationEntity();
            cat1.CategoryName.LocalizedString = "Cat Name1";
            cat1.CategoryName.LocalizedStringID = cat1.StringID;
            cat1.CategoryName.PlatformLanguageID = Guid.NewGuid();
            cat1.CategoryName.LocalizedStringID = Guid.NewGuid();

            string xmldataCat = SerializationHelper.Serialize(typeof(Category), cat1);


            SerializationHelper.SerializeBOData(typeof(Category), @"d:\testcat.xml",cat1);

            Category catNew = (Category)SerializationHelper.DeSerialize(typeof(Category), xmldataCat);


            Category catnewFile = (Category)SerializationHelper.DeserializeXml(typeof(Category), @"d:\testcat.xml");

            //CIPAttribute attr1 = new CIPAttribute();
            //CIPAttribute attr2 = new CIPAttribute();
            //ca.Attributes.Add(attr1);
            //ca.Attributes.Add(attr2);
            //ca.CIPCategory = cat1;

           // string xmlData = SerializationHelper.Serialize(typeof(CategoryAttribute), ca);

           

Serilization

 public class SerializationHelper
    { 
        ///

        /// Method to Serialize Object
        ///

        ///
Object Entity Type
        /// seralization object
        /// Inner XML Data
        public static string Serialize(Type entityType, object seralizationObject)
        {
            string resultXML = string.Empty;           
            System.IO.MemoryStream stream = new System.IO.MemoryStream();
            System.Xml.XmlDocument doc = new System.Xml.XmlDocument();

            try
            {
                XmlSerializer xmlSerializer = new XmlSerializer(entityType);
                xmlSerializer.Serialize(stream, seralizationObject);
                if (stream != null)
                {
                    stream.Position = 0;
                    doc.Load(stream);
                    resultXML = doc.InnerXml;
                }
            }
            catch
            {
                return string.Empty;
            }

            return resultXML;
        }

        ///

        /// Method to DeSerialize XMl to Object
        ///

        /// Object Entity Type
        /// Inner XML Data
        /// DeSerialized Object
        public static object DeSerialize(Type entityType, string xmlData)
        {
            object result = null;
            try
            {
                XmlSerializer xmlSerializer = new XmlSerializer(entityType);
                using (TextReader tr = new StringReader(xmlData))
                {
                    result = xmlSerializer.Deserialize(tr);
                }               
            }
            catch
            {
                return null;
            }

            return result;
        }


        public static void SerializeBOData(Type type, string xmlFile, object obj)
        {
            TextWriter textWriter = null;

            try
            {
                XmlSerializer xmlSerializer = new XmlSerializer(type);

                // Writing the file requires a StreamWriter.
                textWriter = new StreamWriter(xmlFile);

                // Serialize the BOData to xml.
                if (textWriter != null)
                {
                    xmlSerializer.Serialize(textWriter, obj);
                }
            }
            catch (Exception ex)
            {
                // Log the exception.
              
            }
            finally
            {
                if (textWriter != null)
                {
                    textWriter.Close();
                }
            }
        }

        public static object DeserializeXml(Type boDataType, string xmlFile)
        {
           
            TextReader textReader = null;

            try
            {
                if (!System.IO.File.Exists(xmlFile))
                {
                    return null;
                }

                XmlSerializer xmlSer = new XmlSerializer(boDataType);

                // Read the XML.
                textReader = new StreamReader(xmlFile);

                // Cast the deserialized xml to the type of BOData.
                return xmlSer.Deserialize(textReader);
            }
            catch (Exception ex)
            {
                // Propogate the exception.
              
            }
            finally
            {
                if (textReader != null)
                {
                    textReader.Close();
                    textReader = null;
                }
            }

            // Return the data transfer object.
            return null;
        }
    }

XML Sqlquery

USE [CIPDB]
GO
/****** Object:  StoredProcedure [dbo].[uspAddProgramCategory]    Script Date: 02/08/2011 18:44:43 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER Procedure [dbo].[upsAddProgramCategory]
(

/* Serialized DataXML*/
    @xmlData XML      
 )        
AS
/* Try Statement Begins */
/*BEGIN TRY
BEGIN TRANSACTION */
/* This Insert Statement populates a CIPProgram Table*/

DECLARE @xmlPointer INT  -- Pointer variable
EXEC sp_xml_preparedocument @xmlPointer OUTPUT,
                            @xmlData  -- Get XML document into memory
DECLARE @ProgramID uniqueidentifier
DECLARE @CategoryID uniqueidentifier
DECLARE @err AS INT
   
BEGIN TRY                       
BEGIN TRANSACTION

INSERT INTO dbo.LocalizationMaster
(
    StringID
)
SELECT
StringID
FROM OPENXML (@xmlPointer,'/ProgramCategory',1)
WITH(StringID uniqueidentifier 'StringID')

SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('An error occured',16,1)
        RETURN @err
END

SELECT @ProgramID = ProgramID ,@CategoryID = CategoryID
    FROM OPENXML (@xmlPointer,'/ProgramCategory',1)
    WITH(
        ProgramID uniqueidentifier 'ProgramID',
        CategoryID uniqueidentifier 'CategoryAttribute/CategoryID'   
        )
Print '1'
INSERT INTO ProgramCategory 
           (
             [ProgramID],
             [CategoryID],
             [StringID],
             [DefaultLanguageID]            
            )
     SELECT
             ProgramID,
             CategoryID,
             StringID,
             'cca5bd8d-172f-4687-9d58-607f0b235192'

FROM OPENXML (@xmlPointer,'/ProgramCategory',1)
WITH(
    ProgramID uniqueidentifier 'ProgramID',
    CategoryID uniqueidentifier 'CategoryAttribute/CategoryID',
    StringID uniqueidentifier 'StringID'
    )

SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('An error occured while adding the Program',16,1)
        RETURN @err
END

Print '2'       
INSERT INTO LocalizedString
            (
                [LocalizedStringID],
                [PlatformLanguageID],
                [LocalizedString],
                [StringID]
            )
        SELECT
                LocalizedStringID,
                PlatformLanguageID,
                LocalizedString,
                StringID
               
FROM OPENXML (@xmlPointer,'/ProgramCategory/ProgramCategoryName',1)
WITH(
    LocalizedStringID uniqueidentifier 'LocalizedStringID',
    PlatformLanguageID uniqueidentifier 'PlatformLanguageID',
    StringID uniqueidentifier 'StringID',
    LocalizedString varchar(max) 'LocalizedString'
    )

Print '3'
SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('An error occured while adding LocalizedString',16,1)
        RETURN @err
END


SELECT       
        AttributeID,
        StringID,
        DefaultLanguageID,
        Required,
        LocalizedStringID,
        PlatformLanguageID,
        LocalizedString       
INTO #AttributeDetails               
FROM OPENXML (@xmlPointer,'/ProgramCategory/Attributes/Attribute',1)
WITH(   
    AttributeID uniqueidentifier 'AttributeID',
    StringID uniqueidentifier 'StringID',
    DefaultLanguageID uniqueidentifier 'DefaultLanguageID',
    Required bit 'Available',
    LocalizedStringID uniqueidentifier 'ProgramAttributeName/LocalizedStringID',
    PlatformLanguageID uniqueidentifier 'ProgramAttributeName/PlatformLanguageID',   
    LocalizedString varchar(max) 'ProgramAttributeName/LocalizedString'
    )
Print '4'

INSERT INTO dbo.LocalizationMaster
(
    StringID
)
SELECT    #AttributeDetails.StringID
FROM #AttributeDetails

Print '5'       

select * from #AttributeDetails

    SELECT
            @ProgramID,
            categoryAttribute.CategoryAttributeID,
            --#AttributeDetails.ProgramCategoryAttributeID,
            #AttributeDetails.Required,
            #AttributeDetails.StringID
    FROM #AttributeDetails , CategoryAttribute categoryAttribute
    WHERE categoryAttribute.AttributeID = #AttributeDetails.AttributeID
        AND categoryAttribute.CategoryID = @CategoryID

INSERT INTO ProgramCategoryAttribute(
            ProgramID,
            CategoryAttributeID,
            Required,
            StringID)
    SELECT
            @ProgramID,
            categoryAttribute.CategoryAttributeID,            
            #AttributeDetails.Required,
            #AttributeDetails.StringID
    FROM #AttributeDetails , CategoryAttribute categoryAttribute
    WHERE categoryAttribute.AttributeID = #AttributeDetails.AttributeID
        AND categoryAttribute.CategoryID = @CategoryID
       
Print '6'
SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('An error occured while adding to ProgramCategoryAttribute',16,1)
        RETURN @err
END

Print '7'
INSERT INTO LocalizedString
            (
                [LocalizedStringID],
                [PlatformLanguageID],
                [LocalizedString],
                [StringID]
            )
        SELECT
                #AttributeDetails.LocalizedStringID,
                #AttributeDetails.PlatformLanguageID,
                #AttributeDetails.LocalizedString,
                #AttributeDetails.StringID
        FROM #AttributeDetails
       
Print '8'
SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('An error occured while adding to ProgramCategoryAttribute',16,1)
        RETURN @err
END


COMMIT TRANSACTION
SELECT @err = @@error
IF @err <> 0
  BEGIN
        ROLLBACK TRANSACTION
        RAISERROR ('Caught exception An error occured',16,1)
        RETURN @err
END
END TRY

/* Catch Begins */
BEGIN CATCH       
        SELECT @err = @@error
        IF @err <> 0
            BEGIN
                ROLLBACK TRANSACTION
                RAISERROR ('Caught exception An error occured',16,1)
                RETURN @err
        END
/* Catch Ends */
END CATCH

Deployer Service

public class Deployer : IDeployer
    {
        public Deployer()
        {
        }

        public bool Deploy(DeploymentManifest dto, BODataDeployInformation boDeployInfo, DeploymentComponentType deployComponentType)
        {
            bool status = false;
            string logFilePath = System.IO.Path.Combine(boDeployInfo.ExecutableDirectory, Constants.CDF_ERROR_LOG_FILE);
            if (logFilePath != string.Empty)
            {
                logFilePath = logFilePath.Replace(Constants.CDF_CLIENT_FOLDER_NAME, Constants.CDF_AGENT_FOLDER_NAME);
            }
            Logger.InitializeLogger(logFilePath);
            switch (deployComponentType)
            {
                case DeploymentComponentType.Solution:
                    SolutionDeployer solutionDeployer = new SolutionDeployer(dto as Solution, boDeployInfo);
                    status = solutionDeployer.Deploy();
                    break;
                case DeploymentComponentType.Site:
                    SiteDeployer siteDeployer = new SiteDeployer(dto as Site, boDeployInfo);
                    status = siteDeployer.Deploy();
                    break;
                case DeploymentComponentType.SiteTemplate:
                    SiteTemplateDeployer siteTemplateDeployer = new SiteTemplateDeployer(dto as SiteTemplate, boDeployInfo);
                    status = siteTemplateDeployer.Deploy();
                    break;
                case DeploymentComponentType.DeploymentManisfestList:
                    DeploymentManifestListDeployer listDeployer = new DeploymentManifestListDeployer(dto as DeploymentManifestList, boDeployInfo);
                    status = listDeployer.Deploy();
                    break;
                case DeploymentComponentType.ListTemplate:
                    ListTemplateDeployer listTemplateDeployer = new ListTemplateDeployer(dto as ListTemplate, boDeployInfo);
                    status = listTemplateDeployer.Deploy();
                    break;
                case DeploymentComponentType.ProfileProperty:
                    ProfilePropertyDeployer profilePropertyDeployer = new ProfilePropertyDeployer(dto as ProfileProperty);
                    status = profilePropertyDeployer.Deploy();
                    break;
                case DeploymentComponentType.ManagedProperty:
                    ManagedMetadataPropertyDeployer managedPropertyDeployer = new ManagedMetadataPropertyDeployer(dto as ManagedProperty);
                    status = managedPropertyDeployer.Deploy();
                    break;
                case DeploymentComponentType.StsAdmCommand:
                    ICommand commandStsAdm = CommandHandler.GetCommand(CommandType.StsAdmCommand, boDeployInfo);
                    status = commandStsAdm.Execute(dto as Microsoft.Spo.Cdf.BusinessObjects.StsAdmCommand);
                    break;
                case DeploymentComponentType.PowerShellCommand:
                    ICommand commandPS = CommandHandler.GetCommand(CommandType.PowerShellCommand, boDeployInfo);
                    status = commandPS.Execute(dto as Microsoft.Spo.Cdf.BusinessObjects.PowerShellCommand);
                    break;

            }
            return status;
        }


        public bool UploadDeploymentBit(BODataDeployInformation boDeployInfo, DeployComponent component)
        {
            bool uploadBitStatus = true;

            String agentPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
           
            agentPath = System.IO.Path.GetDirectoryName(agentPath);

            string logFilePath = System.IO.Path.Combine(agentPath, Constants.CDF_ERROR_LOG_FILE);
            Logger.InitializeLogger(logFilePath);

            BackupSPSite backupHandler = new BackupSPSite(boDeployInfo);
            uploadBitStatus = backupHandler.UploadDeploymentBit(new DeployComponent(Constants.CDF_AGGREGATE_MANIFEST_XML,
                                                                                      string.Empty,
                                                                                      DeploymentComponentType.AggregateOperation));
            return uploadBitStatus;
        }

        public bool UploadDeploymentBits(BODataDeployInformation boDeployInfo, DeploymentComponents components)
        {
            bool uploadBitStatus = true;

            String agentPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
            agentPath = System.IO.Path.GetDirectoryName(agentPath);
            string logFilePath = System.IO.Path.Combine(agentPath, Constants.CDF_ERROR_LOG_FILE);
            Logger.InitializeLogger(logFilePath);

            BackupSPSite backupHandler = new BackupSPSite(boDeployInfo);
            uploadBitStatus = backupHandler.UploadDeploymentBits(components);
            return uploadBitStatus;
        }

        public bool DownloadDataBits(BODataDeployInformation deployInformation, DeployComponent component)
        {
            String agentPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
            agentPath = System.IO.Path.GetDirectoryName(agentPath);
            string logFilePath = System.IO.Path.Combine(agentPath, Constants.CDF_ERROR_LOG_FILE);
            Logger.InitializeLogger(logFilePath);

            IDataManager dataDownload = DeployDataManager.Create(DataOperationType.FarmDataOperation);
            bool downloadBitsStatus = (bool)dataDownload.GetData(deployInformation, component);
            return downloadBitsStatus;
        }

        public bool CreateSPTimerJob(BODataDeployInformation deployInfo)
        {

            String agentPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
            agentPath = System.IO.Path.GetDirectoryName(agentPath);

            string logFilePath = System.IO.Path.Combine(agentPath, Constants.CDF_ERROR_LOG_FILE);
           
            Logger.InitializeLogger(logFilePath);

            if (deployInfo.ExecutableDirectory != string.Empty)
            {
                deployInfo.ExecutableDirectory = agentPath; //setting Agent installed path
            }

            Assembly assembly = Assembly.Load(Constants.TIMERJOB_ASSEMBLY_NAME);

            if (assembly == null)
            {
                throw new Exception(string.Format("Failed to load assembly '{0}'", Constants.TIMERJOB_ASSEMBLY_NAME));
            }

            System.Type type = assembly.GetType(Constants.TIMERJOB_TIMER_FULLYQUALIFIED_CLASS);

            if (null == type)
            {
                throw new Exception(string.Format("Failed to load type '{0}'", Constants.TIMERJOB_TIMER_FULLYQUALIFIED_CLASS));
            }

            try
            {
                IDeploymentTimer deploymentTimer = Activator.CreateInstance(type) as IDeploymentTimer;
                deploymentTimer.Create(deployInfo);
            }
            catch (Exception ex)
            {
                CDFException ex1 = new CDFException(ex.Message);
                throw new FaultException(ex1);
                Logger.WriteLog(ex, CDFEventType.Error, DeploymentComponentType.TimerJob);
            }
            finally
            {

            }
            //SPTimerJob spTimerJob = new SPTimerJob();
            //return spTimerJob.Create(deployInfo);
            return true;
        }

        public void TranferCafPackageFile(CAFPackageFile packageFile)
        {
            try
            {
                String agentPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
                agentPath = System.IO.Path.GetDirectoryName(agentPath);

                string logFilePath = System.IO.Path.Combine(agentPath, Constants.CDF_ERROR_LOG_FILE);

                if (packageFile.CDFExecutableDirectory != string.Empty)
                {
                    packageFile.CDFExecutableDirectory = agentPath;
                }

                Logger.InitializeLogger(logFilePath);

                string cabFilePath = packageFile.CDFRunDirectory;
                string destinationFilePath = string.Empty;

                if (!System.IO.Directory.Exists(packageFile.CDFRunDirectory))
                    System.IO.Directory.CreateDirectory(packageFile.CDFRunDirectory);

                //constrct the CabFilePath in CDF RunDirectory and CR Number
                if (packageFile.ChangeRequestNumber != string.Empty)
                    cabFilePath = System.IO.Path.Combine(cabFilePath, packageFile.ChangeRequestNumber);

                // create output folder, if does not exist -- Change request number
                if (!System.IO.Directory.Exists(cabFilePath))
                    System.IO.Directory.CreateDirectory(cabFilePath);

                if (packageFile.CAFPackageName.Contains(Constants.CDF_AGGREGATE_MANIFEST_XML))
                {
                    // create output folder, if does not exist -- Solution Artifacts
                    cabFilePath = System.IO.Path.Combine(cabFilePath, Constants.CDF_PACKAGE_FOLDER_NAME);
                    if (!System.IO.Directory.Exists(cabFilePath))
                    {
                        System.IO.Directory.CreateDirectory(cabFilePath);
                    }
                }

                destinationFilePath = cabFilePath;

                // delete the CAB file if it is already exists
                cabFilePath = System.IO.Path.Combine(cabFilePath, packageFile.CAFPackageName);
                if (System.IO.File.Exists(cabFilePath))
                {
                    System.IO.File.Delete(cabFilePath);
                }

                int chunkSize = 2048;
                byte[] buffer = new byte[chunkSize];

                using (System.IO.FileStream writeStream = new System.IO.FileStream(cabFilePath, System.IO.FileMode.CreateNew, System.IO.FileAccess.Write))
                {
                    try
                    {

                        do
                        {
                            // read bytes from input stream
                            int bytesRead = packageFile.FileByteStream.Read(buffer, 0, chunkSize);
                            if (bytesRead == 0) break;

                            // write bytes to output stream
                            writeStream.Write(buffer, 0, bytesRead);
                        } while (true);

                    }
                    catch (Exception ex)
                    {
                        Logger.WriteLog(ex, CDFEventType.Error, DeploymentComponentType.CABFileTransfer);
                    }
                    finally
                    {
                        if (writeStream != null)
                        {
                            writeStream.Close();
                        }
                    }
                }

                if (packageFile.CAFPackageName == Constants.CAF_PACKAGE_NAME)
                {
                    FileIO.ExtractUploadedPackagedFile(cabFilePath, destinationFilePath, packageFile.CDFExecutableDirectory);
                }
                //return true;
            }
            catch (Exception ex)
            {
                Logger.WriteLog(ex, CDFEventType.Error, DeploymentComponentType.CABFileTransfer);
                //return false;
            }
        }

    }