Updating Data with SqlDataAdapter and DataSet : SqlDataAdapter « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. SqlDataAdapter

using System;
using System.Data;            
using System.Data.SqlClient;  
using System.Collections.Generic;
using System.Text;

  class Program
  {
    static void Main(string[] args)
    {
      SqlConnection thisConnection = new SqlConnection(
                @"Data Source=.\SQLEXPRESS;" +
                @"AttachDbFilename='NORTHWND.MDF';" +
                @"Integrated Security=True;Connect Timeout=30;User Instance=true");

      SqlDataAdapter thisAdapter = new SqlDataAdapter("SELECT CustomerID, CompanyName FROM Customers", thisConnection);

      SqlCommandBuilder thisBuilder = new SqlCommandBuilder(thisAdapter);
      DataSet thisDataSet = new DataSet();

      thisAdapter.Fill(thisDataSet, "Customers");

      Console.WriteLine("name before change: {0}",thisDataSet.Tables["Customers"].Rows[9]["CompanyName"]);
      thisDataSet.Tables["Customers"].Rows[9]["CompanyName"] = "Acme, Inc.";
      thisAdapter.Update(thisDataSet, "Customers");

      Console.WriteLine("name after change: {0}",thisDataSet.Tables["Customers"].Rows[9]["CompanyName"]);
      thisConnection.Close();
    }
  }