Connect to SQL database inside Script Task in SSIS

Connect to SQL database inside Script Task in SSIS

In SQL Server Integration Services (SSIS), you can connect to a SQL database inside a Script Task by using the SqlConnection class from the .NET Framework.

Here's an example of how to connect to a SQL database inside a Script Task in SSIS:

  1. Open the SSIS package that contains the Script Task and double-click the Script Task to open the Script Task Editor.
  2. In the Script Task Editor, select "C#" as the ScriptLanguage and "Edit Script" to open the Visual Studio Tools for Applications (VSTA) IDE.
  3. In the VSTA IDE, add a reference to the System.Data.SqlClient assembly by right-clicking the "References" node in the "Solution Explorer" window and selecting "Add Reference...". In the "Add Reference" dialog box, select "Assemblies" from the left-hand pane, search for "System.Data.SqlClient" in the right-hand pane, and click "OK" to add the assembly to the project.
  4. In the VSTA IDE, add the following code to the Main method of the Script Task:
string connectionString = "Data Source=myServerAddress;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;"; using (SqlConnection connection = new SqlConnection(connectionString)) { connection.Open(); // Use the connection to execute SQL commands here connection.Close(); }

In this example, we define a connectionString variable that contains the connection string for the SQL database. We then use the SqlConnection class to create a new connection to the database and open the connection using the Open method.

We can then use the connection to execute SQL commands, such as queries or stored procedures, inside the using statement. Once we are done using the connection, we close it using the Close method.

Note that you should replace the placeholders in the connectionString variable with the appropriate values for your SQL database, such as the server address, database name, and authentication credentials.

Also note that you should always dispose of the SqlConnection object after using it by enclosing it in a using statement, as shown in the example above. This ensures that the connection is properly closed and released, even if an exception occurs while executing SQL commands.

Examples

  1. "SSIS Script Task SQL Server connection example"

    • Code Implementation:
      // SSIS Script Task SQL Server connection example SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;Integrated Security=True;"); sqlConnection.Open(); // Your SQL operations inside the Script Task sqlConnection.Close();
    • Description: Demonstrates a basic example of connecting to a SQL Server database inside a Script Task in SSIS using integrated security.

  2. "SSIS Script Task connection to SQL Server with Windows Authentication"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with Windows Authentication SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;Integrated Security=True;"); sqlConnection.Open(); // Your SQL operations inside the Script Task with Windows Authentication sqlConnection.Close();
    • Description: Connects to a SQL Server database inside a Script Task in SSIS using Windows Authentication.

  3. "SSIS Script Task connection to SQL Server with SQL Authentication"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with SQL Authentication SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;User Id=User;Password=Password;"); sqlConnection.Open(); // Your SQL operations inside the Script Task with SQL Authentication sqlConnection.Close();
    • Description: Connects to a SQL Server database inside a Script Task in SSIS using SQL Authentication.

  4. "SSIS Script Task connection to SQL Server with connection string variables"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with connection string variables SqlConnection sqlConnection = new SqlConnection(Dts.Variables["User::ConnectionString"].Value.ToString()); sqlConnection.Open(); // Your SQL operations inside the Script Task using a connection string variable sqlConnection.Close();
    • Description: Illustrates connecting to a SQL Server database inside a Script Task in SSIS using a connection string stored in a variable.

  5. "SSIS Script Task connection to SQL Server with trusted connection"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with trusted connection SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;Integrated Security=SSPI;"); sqlConnection.Open(); // Your SQL operations inside the Script Task with trusted connection sqlConnection.Close();
    • Description: Connects to a SQL Server database inside a Script Task in SSIS using a trusted (Windows) connection.

  6. "SSIS Script Task connection to multiple SQL databases"

    • Code Implementation:
      // SSIS Script Task connection to multiple SQL databases foreach (string databaseName in Dts.Variables["User::DatabaseList"].Value.ToString().Split(',')) { SqlConnection sqlConnection = new SqlConnection($"Data Source=Server;Initial Catalog={databaseName};Integrated Security=True;"); sqlConnection.Open(); // Your SQL operations inside the Script Task for each database sqlConnection.Close(); }
    • Description: Connects to multiple SQL databases inside a Script Task in SSIS using a loop and a list of database names.

  7. "SSIS Script Task connection to SQL Server with error handling"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with error handling try { SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;Integrated Security=True;"); sqlConnection.Open(); // Your SQL operations inside the Script Task sqlConnection.Close(); } catch (Exception ex) { Dts.Events.FireError(0, "Script Task", ex.Message, string.Empty, 0); }
    • Description: Implements error handling within a Script Task in SSIS when connecting to a SQL Server database.

  8. "SSIS Script Task connection to Azure SQL Database"

    • Code Implementation:
      // SSIS Script Task connection to Azure SQL Database SqlConnection sqlConnection = new SqlConnection("Server=tcp:server.database.windows.net;Initial Catalog=Database;User ID=User;Password=Password;Encrypt=True;TrustServerCertificate=False;"); sqlConnection.Open(); // Your SQL operations inside the Script Task for Azure SQL Database sqlConnection.Close();
    • Description: Connects to an Azure SQL Database inside a Script Task in SSIS using the appropriate connection string.

  9. "SSIS Script Task connection to SQL Server with connection timeout"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server with connection timeout SqlConnection sqlConnection = new SqlConnection("Data Source=Server;Initial Catalog=Database;Integrated Security=True;Connection Timeout=30;"); sqlConnection.Open(); // Your SQL operations inside the Script Task with a specified connection timeout sqlConnection.Close();
    • Description: Connects to a SQL Server database inside a Script Task in SSIS with a specified connection timeout.

  10. "SSIS Script Task connection to SQL Server using OLE DB"

    • Code Implementation:
      // SSIS Script Task connection to SQL Server using OLE DB OleDbConnection oleDbConnection = new OleDbConnection("Provider=SQLOLEDB;Data Source=Server;Initial Catalog=Database;Integrated Security=SSPI;"); oleDbConnection.Open(); // Your SQL operations inside the Script Task using OLE DB connection oleDbConnection.Close();
    • Description: Connects to a SQL Server database inside a Script Task in SSIS using OLE DB connection.

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