Abstract
This article explains how to create an SSIS package with Execute SQL Tasks inside a Sequence container using C# programming language.
Requirements

• Microsoft Visual Studio 2008
• SQL Server 2008
• AdventureWorks2008R2 database (downloadable database file available here)
  

Article
If the above requirements are all met, we will begin by launching Microsoft Visual Studio 2008.
Create a new project Integration Services Project which is located under Business Intelligence Projects.
After you have named the new project, proceed to click and drag the script task in the Control Flow pane of the new package.
Right-click the script task and click on “Edit”
Under the Script Task Editor change the “ScriptLanguage” to “Microsoft Visual C# 2008”.
In Project Explorer import relevant references and ensure that you have declared namespaces as below:
using Microsoft.SqlServer.Server;
using Microsoft.SqlServer.Dts.Tasks;
using Microsoft.SqlServer.Dts.Tasks.ExecuteSQLTask;
using Microsoft.SqlServer.Dts.Runtime;
using Microsoft.SqlServer.Dts.Pipeline.Wrapper;
using RuntimeWrapper = Microsoft.SqlServer.Dts.Runtime.Wrapper;
After declarations, create a new package (including package name and description) inside an application.

Application SIFISO_app = new Application();
Package dyna_pkg = new Package();
dyna_pkg.Name = “pkg_Execute_Sql_Tasks”;
dyna_pkg.Description = “Executing Sql Task”;
Create a connection to AdventureWorks2008R2 database.
ConnectionManager ConMgr = dyna_pkg.Connections.Add(“OLEDB”);
ConMgr.ConnectionString = “Provider=SQLOLEDB.1;” +
“Integrated Security=SSPI;Initial Catalog=AdventureWorks2008R2;” +
“Data Source=(local);”;
ConMgr.Name = “ConMgr_OLEDB”;
ConMgr.Description = “OLE DB connection to the AdventureWorks2008R2 database.”;
Insert a Sequence container:
Sequence exec_SEQ = (Sequence)dyna_pkg.Executables.Add(“STOCK:SEQUENCE”);
exec_SEQ.FailPackageOnFailure = true;
exec_SEQ.FailParentOnFailure = true;
exec_SEQ.Name = @”select SIFISO Sequence Container”;
exec_SEQ.Description = @”select SIFISO Sequence Container”;

Add the following Execute SQL Tasks:
Executable exec = exec_SEQ.Executables.Add(“STOCK:SQLTask”);
TaskHost th = exec as TaskHost;
th.Properties[“Name”].SetValue(th, “Create View”);
th.Properties[“Description”].SetValue(th, “Drops and Create SQL View which based on Adventureworks database”);
th.Properties[“Connection”].SetValue(th, “ConMgr_OLEDB”);
th.Properties[“SqlStatementSource”].SetValue(th, “CREATE OR REPLACE VIEW v_Sales as select * from Employee”);
Executable exec2 = exec_SEQ.Executables.Add(“STOCK:SQLTask”);
TaskHost th2 = exec2 as TaskHost;
th2.Properties[“Name”].SetValue(th2, “select from view”);
th2.Properties[“Description”].SetValue(th2, “select from view”);
th2.Properties[“Connection”].SetValue(th2, “ConMgr_OLEDB”);
th2.Properties[“SqlStatementSource”].SetValue(th2, “SELECT * FROM v_Sales”);
Executable exec3 = dyna_pkg.Executables.Add(“STOCK:SQLTask”);
TaskHost th3 = exec3 as TaskHost;
th3.Properties[“Name”].SetValue(th3, “delete View”);
th3.Properties[“Description”].SetValue(th3, “delete View”);
th3.Properties[“Connection”].SetValue(th3, “ConMgr_OLEDB”);
th3.Properties[“SqlStatementSource”].SetValue(th3, “DROP VIEW v_Sales”);

Join the Execute SQL Tasks:
PrecedenceConstraint pcFileTasks =
exec_SEQ.PrecedenceConstraints.Add((Executable)exec, (Executable)exec2);
pcFileTasks.Value = DTSExecResult.Success;
PrecedenceConstraint pcFileTasks2 =
dyna_pkg.PrecedenceConstraints.Add((Executable)exec_SEQ, (Executable)exec3);
pcFileTasks2.Value = DTSExecResult.Success;
We then save the package in a file system.
SIFISO_app.SaveToXml(“C:\\TEMP\\pkg_Execute_Sql_Tasks.dtsx”, dyna_pkg, null);
Conclusion
It’s that simple!
You can now execute your script task and the package will be created in the location you specified.