using System.IO; using System.Data; // Create an instance of StreamWriter to write data to a file StreamWriter writer = new StreamWriter("data.txt"); // Create a new instance of a class that implements IDataWriter IDataWriter dataWriter = new SomeDataWriterClass(); // Write some data to the data source dataWriter.Write("Some data"); // Close the StreamWriter writer.Close();
using System.Data.SqlClient; using System.Data; // Create a connection to a SQL database SqlConnection connection = new SqlConnection("Data Source=ServerName;Initial Catalog=DatabaseName;Integrated Security=True"); // Open the connection connection.Open(); // Create a new instance of a class that implements IDataWriter IDataWriter dataWriter = new SomeDataWriterClass(); // Create a SqlCommand to insert data into the database SqlCommand command = new SqlCommand("INSERT INTO SomeTable (Column1, Column2) VALUES (@param1, @param2)", connection); // Add parameters to the SqlCommand command.Parameters.AddWithValue("@param1", 'Value1'); command.Parameters.AddWithValue("@param2", 'Value2'); // Write some data to the data source dataWriter.Write(command); // Close the connection connection.Close();
using System.IO; using System.Data; // Create an instance of MemoryStream to write data to a stream MemoryStream stream = new MemoryStream(); // Create a new instance of a class that implements IDataWriter IDataWriter dataWriter = new SomeDataWriterClass(); // Write some data to the data source dataWriter.Write("Some data"); // Create a BinaryWriter to write data to the MemoryStream BinaryWriter writer = new BinaryWriter(stream); // Write the data to the MemoryStream writer.Write(stream.ToArray()); // Close the BinaryWriter writer.Close();The IDataWriter interface is part of the System.Data namespace in the .NET framework.