Adding Data to MDF file with SqlDataAdapter : 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(thisDataSet.Tables["Customers"].Rows.Count);

      DataRow thisRow = thisDataSet.Tables["Customers"].NewRow();
      thisRow["CustomerID"] = "1";
      thisRow["CompanyName"] = "ABC Ltd.";
      thisDataSet.Tables["Customers"].Rows.Add(thisRow);

      Console.WriteLine(thisDataSet.Tables["Customers"].Rows.Count);

      thisAdapter.Update(thisDataSet, "Customers");

      thisConnection.Close();
    }
  }