Multiple DataAdapter : DataAdapter « ADO.Net « C# / CSharp Tutorial

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

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;

public class MainClass : System.Windows.Forms.Form
{
  private System.Windows.Forms.DataGrid dataGrid1;
  private System.Windows.Forms.DataGrid dataGrid2;
  public MainClass()
  {
    InitializeComponent();
        string ConnectionString ="Integrated Security=SSPI;Initial Catalog=Northwind;Data Source=localhost;";
        SqlConnection conn = new SqlConnection(ConnectionString);

        conn.Open();

        DataSet ds = new DataSet("CustomersOrders");

        SqlDataAdapter adapter1 = new SqlDataAdapter("SELECT * FROM Orders", conn);
        SqlDataAdapter adapter2 = new SqlDataAdapter("SELECT * FROM Customers", conn);

        adapter1.Fill(ds, "Orders");
        adapter2.Fill(ds, "Customers");

        DataViewManager dvm = new DataViewManager(ds);

        dvm.DataViewSettings["Orders"].RowFilter = "EmployeeID = 4";
        dvm.DataViewSettings["Orders"].Sort = "ShippedDate ASC";

        dvm.DataViewSettings["Customers"].RowFilter = "ContactName Like 'C%'";
        dvm.DataViewSettings["Customers"].Sort = "ContactName ASC";

        DataView dataView1 = dvm.CreateDataView(ds.Tables["Orders"]);
        DataView dataView2 = dvm.CreateDataView(ds.Tables["Customers"]);

        dataGrid1.DataSource = dataView1;
        dataGrid2.DataSource = dataView2;    

  }

  private void InitializeComponent()
  {
    this.dataGrid1 = new System.Windows.Forms.DataGrid();
    this.dataGrid2 = new System.Windows.Forms.DataGrid();
    ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
    ((System.ComponentModel.ISupportInitialize)(this.dataGrid2)).BeginInit();
    this.SuspendLayout();
    // 
    this.dataGrid1.DataMember = "";
    this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
    this.dataGrid1.Location = new System.Drawing.Point(0, 8);
    this.dataGrid1.Size = new System.Drawing.Size(256, 264);
    // 
    this.dataGrid2.DataMember = "";
    this.dataGrid2.HeaderForeColor = System.Drawing.SystemColors.ControlText;
    this.dataGrid2.Location = new System.Drawing.Point(272, 8);
    this.dataGrid2.Size = new System.Drawing.Size(256, 264);
    // 
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(536, 273);
    this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                    this.dataGrid2,
                                    this.dataGrid1});
    ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
    ((System.ComponentModel.ISupportInitialize)(this.dataGrid2)).EndInit();
    this.ResumeLayout(false);

  }

  [STAThread]
  static void Main() 
  {
    Application.Run(new MainClass());
  }

}