Filling Multiple DataTables : OleDbDataAdapter « ADO.net Database « ASP.NET Tutorial





<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="FillingMultipleDataTables" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
   <title>Filling Multiple DataTables</title>
</head>
<body>
   <form id="form1" runat="server">
      <div id="container">
         <h1>Filling Multiple DataTables</h1>
         
         This example illustrates the filling of multiple <code>DataTable</code>s
         
         <h2>Books</h2>
      <asp:GridView ID="grdBooks" runat="server" />
      <h2>Authors</h2>
      <asp:GridView ID="grdAuthors" runat="server" />
      
         <asp:Label ID="labMsg" runat="server" />
         
      </div>
   </form>
</body>
</html>

File: Default.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using System.Data.OleDb;

public partial class FillingMultipleDataTables : System.Web.UI.Page
{
   protected void Page_Load(object sender, EventArgs e)
   {
      string connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=";
      connString += Server.MapPath("~/App_Data/Book.mdb") + ";";

      DataSet ds = new DataSet();

      try
      {
         OleDbConnection conn = new OleDbConnection(connString);
         conn.Open();

         OleDbDataAdapter adapter = new OleDbDataAdapter();

         string sqlBooks = " SELECT * FROM Books";
         OleDbCommand cmdBooks = new OleDbCommand(sqlBooks, conn);
         adapter.SelectCommand = cmdBooks;
       
         adapter.Fill(ds, "BooksTable");

         string sqlAuthors = " SELECT * FROM Authors";
         OleDbCommand cmdAuthors = new OleDbCommand(sqlAuthors, conn);
         adapter.SelectCommand = cmdAuthors;

         adapter.Fill(ds, "AuthorsTable");   

         grdAuthors.DataSource = ds.Tables["AuthorsTable"].DefaultView;
         grdAuthors.DataBind();

         grdBooks.DataSource = ds.Tables["BooksTable"].DefaultView;
         grdBooks.DataBind();

         conn.Close();
      }
      catch (Exception ex)
      {
      }

    }
}










18.14.OleDbDataAdapter
18.14.1.Fill the DataSet by using the OleDbDataAdapter and connection to Access Database (VB.net)
18.14.2.Use DataTable to read the result set from an OleDbDataAdapter and a DataSet (VB.net)
18.14.3.Filling Multiple DataTables