ADO.NET Binding : Multiple Control Binding
/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace ADO.NET_Binding
{
/// <summary>
/// Summary description for MultipleControlBinding.
/// </summary>
public class MultipleControlBinding : System.Windows.Forms.Form
{
internal System.Windows.Forms.GroupBox GroupBox1;
internal System.Windows.Forms.Label lblDescription;
internal System.Windows.Forms.Label lblUnitCost;
internal System.Windows.Forms.Label lblModelNumber;
internal System.Windows.Forms.Button cmdNext;
internal System.Windows.Forms.Button cmdPrev;
internal System.Windows.Forms.ComboBox cboModelName;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
public MultipleControlBinding()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.GroupBox1 = new System.Windows.Forms.GroupBox();
this.lblDescription = new System.Windows.Forms.Label();
this.lblUnitCost = new System.Windows.Forms.Label();
this.lblModelNumber = new System.Windows.Forms.Label();
this.cmdNext = new System.Windows.Forms.Button();
this.cmdPrev = new System.Windows.Forms.Button();
this.cboModelName = new System.Windows.Forms.ComboBox();
this.GroupBox1.SuspendLayout();
this.SuspendLayout();
//
// GroupBox1
//
this.GroupBox1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.GroupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
this.lblDescription,
this.lblUnitCost,
this.lblModelNumber});
this.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.GroupBox1.Location = new System.Drawing.Point(18, 47);
this.GroupBox1.Name = "GroupBox1";
this.GroupBox1.Size = new System.Drawing.Size(312, 168);
this.GroupBox1.TabIndex = 10;
this.GroupBox1.TabStop = false;
//
// lblDescription
//
this.lblDescription.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.lblDescription.Location = new System.Drawing.Point(8, 58);
this.lblDescription.Name = "lblDescription";
this.lblDescription.Size = new System.Drawing.Size(296, 98);
this.lblDescription.TabIndex = 6;
//
// lblUnitCost
//
this.lblUnitCost.Location = new System.Drawing.Point(168, 16);
this.lblUnitCost.Name = "lblUnitCost";
this.lblUnitCost.Size = new System.Drawing.Size(136, 32);
this.lblUnitCost.TabIndex = 5;
//
// lblModelNumber
//
this.lblModelNumber.Location = new System.Drawing.Point(8, 16);
this.lblModelNumber.Name = "lblModelNumber";
this.lblModelNumber.Size = new System.Drawing.Size(140, 32);
this.lblModelNumber.TabIndex = 4;
//
// cmdNext
//
this.cmdNext.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right);
this.cmdNext.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.cmdNext.Location = new System.Drawing.Point(238, 227);
this.cmdNext.Name = "cmdNext";
this.cmdNext.Size = new System.Drawing.Size(92, 28);
this.cmdNext.TabIndex = 9;
this.cmdNext.Text = "Next >>";
this.cmdNext.Click += new System.EventHandler(this.cmdNext_Click);
//
// cmdPrev
//
this.cmdPrev.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left);
this.cmdPrev.Enabled = false;
this.cmdPrev.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.cmdPrev.Location = new System.Drawing.Point(18, 227);
this.cmdPrev.Name = "cmdPrev";
this.cmdPrev.Size = new System.Drawing.Size(92, 28);
this.cmdPrev.TabIndex = 8;
this.cmdPrev.Text = "<< Prev";
this.cmdPrev.Click += new System.EventHandler(this.cmdPrev_Click);
//
// cboModelName
//
this.cboModelName.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboModelName.Location = new System.Drawing.Point(14, 11);
this.cboModelName.Name = "cboModelName";
this.cboModelName.Size = new System.Drawing.Size(316, 21);
this.cboModelName.TabIndex = 7;
//
// MultipleControlBinding
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(344, 266);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.GroupBox1,
this.cmdNext,
this.cmdPrev,
this.cboModelName});
this.Name = "MultipleControlBinding";
this.Text = "Manual Navigation Control";
this.Load += new System.EventHandler(this.MultipleControlBinding_Load);
this.GroupBox1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
private BindingManagerBase storeBinding;
private void MultipleControlBinding_Load(object sender, System.EventArgs e)
{
DataSet dsStore = new DataSet();
dsStore.ReadXmlSchema(Application.StartupPath + "\\store.xsd");
dsStore.ReadXml(Application.StartupPath + "\\store.xml");
cboModelName.DataSource = dsStore.Tables["Products"];
cboModelName.DisplayMember = "ModelName";
lblModelNumber.DataBindings.Add("Text",
dsStore.Tables["Products"], "ModelNumber");
lblUnitCost.DataBindings.Add("Text",
dsStore.Tables["Products"], "UnitCost");
lblDescription.DataBindings.Add("Text",
dsStore.Tables["Products"], "Description");
storeBinding = this.BindingContext[dsStore.Tables["Products"]];
storeBinding.PositionChanged += new EventHandler(Binding_PositionChanged);
}
[STAThread]
static void Main()
{
Application.Run(new MultipleControlBinding());
}
private void cmdNext_Click(object sender, System.EventArgs e)
{
storeBinding.Position++;
}
private void cmdPrev_Click(object sender, System.EventArgs e)
{
storeBinding.Position--;
}
private void Binding_PositionChanged(object sender, System.EventArgs e)
{
if (storeBinding.Position == storeBinding.Count - 1)
{
cmdNext.Enabled = false;
}
else
{
cmdNext.Enabled = true;
}
if (storeBinding.Position == 0)
{
cmdPrev.Enabled = false;
}
else
{
cmdPrev.Enabled = true;
}
}
}
}
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