ADO Net Database ASP.Net Tutorial

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



   Filling Multiple DataTables


   
      
         

Filling Multiple DataTables


         
         This example illustrates the filling of multiple DataTables
         
         

Books


      
      

Authors


      
      
         
         
      

   


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)
      {
      }
    }
}