j'ai consulté plusieurs forums qui parlent généralement de 2 solutions possibles :
1- un composant SSIS payant qui fait le travail et le configurer comme un task ssis
2- le passage par un logiciel tiers qui fait l’envoi (le plus utilisé c’est WinSCP) et dans SSIS :
Utiliser «execute task » pour déclencher une exécution d’un script dans WinSCP

Mais en sein de la société ils nous obligent à chercher une solution 100% SSIS avec un script C# (script task) ou autre : comment faire ça ?
Ci-dessous un code C# qui présente des erreurs maintenant : proposez-vous des corrections ou bien un code c# qui marche pour faire l'envoi des fichiers local vers serveur SFTP ou bien une procédure stockée et l'appeler sur SSIS

Code C# : Sélectionner tout - Visualiser dans une fenêtre à part
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#region Help:  Introduction to the script task
/* The Script Task allows you to perform virtually any operation that can be accomplished in
 * a .Net application within the context of an Integration Services control flow. 
 * 
 * Expand the other regions which have "Help" prefixes for examples of specific ways to use
 * Integration Services features within this script task. */
#endregion
 
 
#region Namespaces
using System;
using System.Data;
using Microsoft.SqlServer.Dts.Runtime;
using System.Windows.Forms;
using Renci.SshNet;
using System.IO;
#endregion
 
namespace ST_d27fb029ddab4957bc327e8fc4c35c18
{
    /// <summary>
    /// ScriptMain is the entry point class of the script.  Do not change the name, attributes,
    /// or parent of this class.
    /// </summary>
	[Microsoft.SqlServer.Dts.Tasks.ScriptTask.SSISScriptTaskEntryPointAttribute]
	public partial class ScriptMain : Microsoft.SqlServer.Dts.Tasks.ScriptTask.VSTARTScriptObjectModelBase
	{
        #region Help:  Using Integration Services variables and parameters in a script
        /* To use a variable in this script, first ensure that the variable has been added to 
         * either the list contained in the ReadOnlyVariables property or the list contained in 
         * the ReadWriteVariables property of this script task, according to whether or not your
         * code needs to write to the variable.  To add the variable, save this script, close this instance of
         * Visual Studio, and update the ReadOnlyVariables and 
         * ReadWriteVariables properties in the Script Transformation Editor window.
         * To use a parameter in this script, follow the same steps. Parameters are always read-only.
         * 
         * Example of reading from a variable:
         *  DateTime startTime = (DateTime) Dts.Variables["System::StartTime"].Value;
         * 
         * Example of writing to a variable:
         *  Dts.Variables["User::myStringVariable"].Value = "new value";
         * 
         * Example of reading from a package parameter:
         *  int batchId = (int) Dts.Variables["$Package::batchId"].Value;
         *  
         * Example of reading from a project parameter:
         *  int batchId = (int) Dts.Variables["$Project::batchId"].Value;
         * 
         * Example of reading from a sensitive project parameter:
         *  int batchId = (int) Dts.Variables["$Project::batchId"].GetSensitiveValue();
         * */
 
        #endregion
 
        #region Help:  Firing Integration Services events from a script
        /* This script task can fire events for logging purposes.
         * 
         * Example of firing an error event:
         *  Dts.Events.FireError(18, "Process Values", "Bad value", "", 0);
         * 
         * Example of firing an information event:
         *  Dts.Events.FireInformation(3, "Process Values", "Processing has started", "", 0, ref fireAgain)
         * 
         * Example of firing a warning event:
         *  Dts.Events.FireWarning(14, "Process Values", "No values received for input", "", 0);
         * */
        #endregion
 
        #region Help:  Using Integration Services connection managers in a script
        /* Some types of connection managers can be used in this script task.  See the topic 
         * "Working with Connection Managers Programatically" for details.
         * 
         * Example of using an ADO.Net connection manager:
         *  object rawConnection = Dts.Connections["Sales DB"].AcquireConnection(Dts.Transaction);
         *  SqlConnection myADONETConnection = (SqlConnection)rawConnection;
         *  //Use the connection in some code here, then release the connection
         *  Dts.Connections["Sales DB"].ReleaseConnection(rawConnection);
         *
         * Example of using a File connection manager
         *  object rawConnection = Dts.Connections["Prices.zip"].AcquireConnection(Dts.Transaction);
         *  string filePath = (string)rawConnection;
         *  //Use the connection in some code here, then release the connection
         *  Dts.Connections["Prices.zip"].ReleaseConnection(rawConnection);
         * */
        #endregion
 
 
        /// <summary>
        /// This method is called when this script task executes in the control flow.
        /// Before returning from this method, set the value of Dts.TaskResult to indicate success or failure.
        /// To open Help, press F1.
        /// </summary>
        public void Main()
        {
            // TODO: Add your code here
            string Server = Dts.Variables["FTPServer"].Value.ToString();
            string User = Dts.Variables["FTPUser"].Value.ToString();
            string Password = Dts.Variables["FTPPassword"].Value.ToString();
            int port = (int) Dts.Variables["FTPPort"].Value;
           // string Folder = Dts.Variables["FTPFolder"].Value.ToString();
 
            string localFolder = Dts.Variables["ExportEgypte_LocalFolderPath"].Value.ToString(); ;
            string fileName = Dts.Variables["fileName"].Value.ToString();
            // string absoluteFileName = Path.GetFileName(XMLFileName);
            // string FullName = localFolder + "SubFolderName." + fileName;
            string FullName = localFolder  + fileName;
            string remotePath = Dts.Variables["FTPRemoteFolder"].Value.ToString() + fileName; ;
            uploadFile(Server, port, Password, User, FullName,remotePath);
 
            Dts.TaskResult = (int)ScriptResults.Success;
 
        } 
 
        void uploadFile(string FTPServer,int port,string FTPPassword,string FTPUser,string localFilePath,string remotePath)
            {
                try
                {
                    using (var client = new SftpClient(FTPServer, port, FTPUser, FTPPassword))
                    {
                        client.Connect();
                        if (!client.IsConnected)
                        {
                            throw new Exception("Not Connected");
                        }
                        using (FileStream fs = File.OpenRead(localFilePath))
                        {
                            client.UploadFile(fs, remotePath, true, null);
                        }
                        client.Disconnect();
                    }
                }
                catch (Exception exception)
                {
                    Console.WriteLine(exception);
                    throw;
                }
            }
 
 
        #region ScriptResults declaration
        /// <summary>
        /// This enum provides a convenient shorthand within the scope of this class for setting the
        /// result of the script.
        /// 
        /// This code was generated automatically.
        /// </summary>
        enum ScriptResults
        {
            Success = Microsoft.SqlServer.Dts.Runtime.DTSExecResult.Success,
            Failure = Microsoft.SqlServer.Dts.Runtime.DTSExecResult.Failure
        };
        #endregion
 
	}
}