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Posted 6 Apr 2012

A Beginner's Tutorial for Understanding ADO.NET

, 6 Apr 2012
A beginner's tutorial for understanding ADO.NET using a simple application.
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.SqlClient;

public partial class AddTitle : System.Web.UI.Page
    protected void Page_Load(object sender, EventArgs e)
        if (IsPostBack == false)
            DataAccess dbAccess = new DataAccess();

            DropDownList1.DataSource = dbAccess.ExecuteSelectCommand("select pub_id from publishers", CommandType.Text);
            DropDownList1.DataTextField = "pub_id";
            DropDownList1.DataValueField = "pub_id";
    protected void Button1_Click(object sender, EventArgs e)
        string insertCommand = "insert into titles values(@title, @type, @pubid, @price, @advance, @royalty , @ytd, @notes, GetDate())";
        SqlParameter[] parameters = new SqlParameter[]
            new SqlParameter("@title", TextBox1.Text),
            new SqlParameter("@type", TextBox2.Text),
            new SqlParameter("@pubid", DropDownList1.SelectedValue),
            new SqlParameter("@price", TextBox4.Text),
            new SqlParameter("@advance", TextBox5.Text),
            new SqlParameter("@royalty", TextBox6.Text),
            new SqlParameter("@ytd", TextBox7.Text),
            new SqlParameter("@notes", TextBox8.Text)

        DataAccess dbAccess = new DataAccess();
        bool retVal = dbAccess.ExecuteNonQuery(insertCommand, CommandType.Text, parameters);

        if (retVal == true)
            Label1.Text = "Title Added Successfully";
            Label1.Text = "Failed to add the title";

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About the Author

Rahul Rajat Singh
Software Developer (Senior)
India India

I Started my Programming career with C++. Later got a chance to develop Windows Form applications using C#. Currently using C#, ASP.NET & ASP.NET MVC to create Information Systems, e-commerce/e-governance Portals and Data driven websites.

My interests involves Programming, Website development and Learning/Teaching subjects related to Computer Science/Information Systems. IMO, C# is the best programming language and I love working with C# and other Microsoft Technologies.

  • Microsoft Certified Technology Specialist (MCTS): Web Applications Development with Microsoft .NET Framework 4
  • Microsoft Certified Technology Specialist (MCTS): Accessing Data with Microsoft .NET Framework 4
  • Microsoft Certified Technology Specialist (MCTS): Windows Communication Foundation Development with Microsoft .NET Framework 4

If you like my articles, please visit my website for more:[^]

  • Microsoft MVP 2015

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Web03 | 2.8.180111.1 | Last Updated 6 Apr 2012
Article Copyright 2012 by Rahul Rajat Singh
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