Data binding to a programatically created dataset : DataBinding Label « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. DataBinding Label

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

public class DataBindingDataSet : System.Windows.Forms.Form
{
    private Label lbl_first= new Label();
    private Label lbl_name= new Label();
    private Label lbl_title= new Label();
    private Label lbl_company= new Label();
    private Label lbl_phone = new Label();
    private TextBox FirstName = new TextBox();
    private TextBox SurName = new TextBox();
    private TextBox Title = new TextBox();
    private TextBox Company = new TextBox();
    private TextBox Phone = new TextBox();
    private Button btnNext = new Button();
    private Button btnPrev = new Button();
    private Button btnNew = new Button();
    private Button btnEnd = new Button();
    private DataSet dataset = new DataSet("ContactData");

    private void OnPrev(Object sender,EventArgs e)
    {
    this.BindingContext[dataset.Tables["Contacts"]].Position--;
    }

    private void OnNext(Object sender,EventArgs e)
    {
    this.BindingContext[dataset.Tables["Contacts"]].Position++;
    }

    private void OnNew(Object sender, EventArgs e)
    {
        NewEntry();
    }

    private void OnEnd(Object sender, EventArgs e)
    {
        Application.Exit();
    }

    private void MoveToEnd()
    {
    this.BindingContext[dataset.Tables["Contacts"]].Position=dataset.Tables["Contacts"].Rows.Count-1;
    }

    private void NewEntry()
    {
        DataRow row = dataset.Tables["Contacts"].NewRow();
        row["First"]="Blank";
        row["Name"]="default name";
        row["Company"]="default company";
        row["Title"]="no title";
        row["Phone"]="999-999-9999";
        dataset.Tables[0].Rows.Add(row);
        dataset.AcceptChanges();
        MoveToEnd();
    }

    public DataBindingDataSet()
    {
    this.AutoScaleBaseSize = new System.Drawing.Size (5, 13);
    this.ClientSize = new System.Drawing.Size (250, 200);
    this.FormBorderStyle = FormBorderStyle.Fixed3D;

        lbl_first.Text="First name";
        lbl_first.Location = new Point(5,5);
        lbl_first.Size = new Size(120,28);
        lbl_first.Anchor = AnchorStyles.Left | AnchorStyles.Right;
        Controls.Add(lbl_first);

        FirstName.Location = new Point(125,5);
        FirstName.Size = new Size(120,28);
        FirstName.Anchor = AnchorStyles.Left | AnchorStyles.Right;
        Controls.Add(FirstName);

        lbl_name.Text="Surname";
        lbl_name.Location = new Point(5,35);
        lbl_name.Size = new Size(120,28);
        lbl_name.Anchor = AnchorStyles.Left|AnchorStyles.Right;
        Controls.Add(lbl_name);

        SurName.Location = new Point(125,35);
        SurName.Size = new Size(120,28);
        SurName.Anchor = AnchorStyles.Left | AnchorStyles.Right;
        Controls.Add(SurName);

        lbl_company.Text="Company";
        lbl_company.Location = new Point(5,65);
        lbl_company.Size = new Size(120,28);
        Controls.Add(lbl_company);

        Company.Location = new Point(125,65);
        Company.Size = new Size(120,28);
        Controls.Add(Company);

        lbl_title.Text="Title";
        lbl_title.Location = new Point(5,95);
        lbl_title.Size = new Size(120,28);
        Controls.Add(lbl_title);

        Title.Location = new Point(125,95);
        Title.Size = new Size(120,28);
        Controls.Add(Title);

        lbl_phone.Text="Telephone";
        lbl_phone.Location = new Point(5,125);
        lbl_phone.Size = new Size(120,28);
        Controls.Add(lbl_phone);

        Phone.Location = new Point(125,125);
        Phone.Size = new Size(120,28);
        Controls.Add(Phone);

        btnNew.Location = new Point(5,155);
        btnNew.Size = new Size(70,28);
        btnNew.Text="New";
        btnNew.Click+=new EventHandler(OnNew);
        Controls.Add(btnNew);

        btnPrev.Location = new Point(80,155);
        btnPrev.Size = new Size(35,28);
        btnPrev.Text="<<";
        btnPrev.Click += new EventHandler(OnPrev);
        Controls.Add(btnPrev);

        btnEnd.Location = new Point(120,155);
        btnEnd.Size = new Size(70,28);
        btnEnd.Text="End";
        btnEnd.Click += new EventHandler(OnEnd);
        Controls.Add(btnEnd);

        btnNext.Location = new Point(200,155);
        btnNext.Size = new Size(35,28);
        btnNext.Text=">>";
        btnNext.Click += new EventHandler(OnNext);
        Controls.Add(btnNext);

        DataTable t=new DataTable("Contacts");
        t.Columns.Add("First",typeof(System.String));
        t.Columns.Add("Name",typeof(System.String));
        t.Columns.Add("Company",typeof(System.String));
        t.Columns.Add("Title",typeof(System.String));
        t.Columns.Add("Phone",typeof(System.String));
        t.MinimumCapacity=100;
        dataset.Tables.Add(t);

        NewEntry();

        FirstName.DataBindings.Add("Text",dataset.Tables["Contacts"],"First");
        SurName.DataBindings.Add("Text",dataset.Tables["Contacts"],"Name");
        Title.DataBindings.Add("Text",dataset.Tables["Contacts"],"Title");
        Company.DataBindings.Add("Text",dataset.Tables["Contacts"],"Company");
        Phone.DataBindings.Add("Text",dataset.Tables["Contacts"],"Phone");
    }

    static void Main()
    {
        Application.Run(new DataBindingDataSet());
    }
}