using System; using System.Data; using System.Data.SqlClient; using System.Xml; class ExecuteXmlReader { public static void Main() { SqlConnection mySqlConnection =new SqlConnection("server=(local)SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;"); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT TOP 5 ID, FirstName, LastName " + "FROM Employee " + "ORDER BY ID " + "FOR XML AUTO"; mySqlConnection.Open(); XmlReader myXmlReader = mySqlCommand.ExecuteXmlReader(); myXmlReader.Read(); while (!myXmlReader.EOF) { Console.WriteLine(myXmlReader.ReadOuterXml()); } myXmlReader.Close(); mySqlConnection.Close(); } }
Database ADO.net
How to write and read XML files
using System; using System.Data; using System.Data.SqlClient; class WriteAndReadXML { public static void Main() { SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa"); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT TOP 2 CustomerID, CompanyName, ContactName, " + "Address " + "FROM Customers " + "ORDER BY CustomerID"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, "Customers"); mySqlConnection.Close(); myDataSet.WriteXml("myXmlFile.xml"); myDataSet.WriteXml("myXmlFile2.xml", XmlWriteMode.WriteSchema); myDataSet.WriteXmlSchema("myXmlSchemaFile.xml"); myDataSet.Clear(); myDataSet.ReadXml("myXmlFile.xml"); DataTable myDataTable = myDataSet.Tables["Customers"]; foreach (DataRow myDataRow in myDataTable.Rows) { Console.WriteLine("CustomerID = " + myDataRow["CustomerID"]); Console.WriteLine("CompanyName = " + myDataRow["CompanyName"]); Console.WriteLine("ContactName = " + myDataRow["ContactName"]); Console.WriteLine("Address = " + myDataRow["Address"]); } } }
Fill Data from database table to ListView
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
public class Form1 : System.Windows.Forms.Form {
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button cmdExecute;
private System.Windows.Forms.TextBox txtSql;
private System.Windows.Forms.ListView lvwResult;
private System.ComponentModel.Container components = null;
public Form1() {
InitializeComponent();
}
private void InitializeComponent() {
this.label1 = new System.Windows.Forms.Label();
this.cmdExecute = new System.Windows.Forms.Button();
this.txtSql = new System.Windows.Forms.TextBox();
this.lvwResult = new System.Windows.Forms.ListView();
this.SuspendLayout();
this.label1.Location = new System.Drawing.Point(0, 0);
this.label1.Name = “label1”;
this.label1.Size = new System.Drawing.Size(296, 16);
this.label1.TabIndex = 0;
this.label1.Text = “Enter a SQL query or statement and click Execute.”;
this.cmdExecute.Location = new System.Drawing.Point(227, 224);
this.cmdExecute.Name = “cmdExecute”;
this.cmdExecute.TabIndex = 1;
this.cmdExecute.Text = “Execute”;
this.cmdExecute.Click += new System.EventHandler(this.cmdExecute_Click);
this.txtSql.Location = new System.Drawing.Point(0, 16);
this.txtSql.Multiline = true;
this.txtSql.Name = “txtSql”;
this.txtSql.Size = new System.Drawing.Size(528, 200);
this.txtSql.TabIndex = 2;
this.txtSql.Text = “”;
this.lvwResult.GridLines = true;
this.lvwResult.Location = new System.Drawing.Point(0, 256);
this.lvwResult.Name = “lvwResult”;
this.lvwResult.Size = new System.Drawing.Size(528, 200);
this.lvwResult.TabIndex = 3;
this.lvwResult.View = System.Windows.Forms.View.Details;
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(528, 452);
this.Controls.Add(this.lvwResult);
this.Controls.Add(this.txtSql);
this.Controls.Add(this.cmdExecute);
this.Controls.Add(this.label1);
this.Name = “Form1”;
this.Text = “Query Processor”;
this.ResumeLayout(false);
}
static void Main() {
Application.Run(new Form1());
}
private void cmdExecute_Click(object sender, System.EventArgs e) {
SqlConnection conn = new SqlConnection(“server=(local)SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI”);
try {
lvwResult.Columns.Clear() ;
lvwResult.Items.Clear();
conn.Open();
txtSql.Text =”select * from Employee”;
SqlCommand cmd = conn.CreateCommand();
cmd.CommandText = txtSql.Text;
SqlDataReader dr = cmd.ExecuteReader();
for (int i = 0; i< dr.FieldCount; i++) { ColumnHeader ch = new ColumnHeader(); ch.Text=dr.GetName(i); lvwResult.Columns.Add(ch); } ListViewItem itmX; while (dr.Read()) { itmX=new ListViewItem(); itmX.Text= dr.GetValue(0).ToString(); for (int i=1 ; i< dr.FieldCount; i++) { itmX.SubItems.Add(dr.GetValue(i).ToString()); } lvwResult.Items.Add(itmX); } dr.Close(); } catch ( System.Data.SqlClient.SqlException ex) { Console.WriteLine("There was an error in executing the SQL." + " Error Message:" + ex.Message, "SQL"); } finally { conn.Close(); } } } [/csharp]
Data Binding 4
/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; namespace DataBinding { /// <summary> /// Summary description for DataBinding4. /// </summary> public class DataBinding4 : System.Windows.Forms.Form { private System.Windows.Forms.DataGrid grdOrders; private System.Windows.Forms.DataGrid grdOrderDetails; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label3; private System.Windows.Forms.ComboBox cbCust; private System.Windows.Forms.TextBox txtPhoneNo; private System.Windows.Forms.TextBox txtFaxNo; private System.Windows.Forms.Label label4; private System.Windows.Forms.TextBox txtContact; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public DataBinding4() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // SqlConnection cn=new SqlConnection(@"data source=(local);uid=sa;password=;database=northwind"); DataSet ds = new DataSet("CustOrders"); SqlDataAdapter daCust=new SqlDataAdapter("select * from customers;select * from orders;select * from [order details]",cn); daCust.Fill(ds); ds.Relations.Add("CustOrder",ds.Tables["Table"].Columns["customerid"],ds.Tables["Table1"].Columns["customerid"]); ds.Relations.Add("OrderDetail",ds.Tables["Table1"].Columns["orderid"],ds.Tables["Table2"].Columns["orderid"]); grdOrders.DataSource=ds; grdOrders.DataMember="Table.CustOrder"; grdOrderDetails.DataSource=ds; grdOrderDetails.DataMember="Table.CustOrder.OrderDetail"; cbCust.DataSource=ds; cbCust.DisplayMember="Table.CompanyName"; txtContact.DataBindings.Add("Text",ds,"Table.ContactName"); txtPhoneNo.DataBindings.Add("Text",ds,"Table.Phone"); txtFaxNo.DataBindings.Add("Text",ds,"Table.Fax"); } /// <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.grdOrders = new System.Windows.Forms.DataGrid(); this.grdOrderDetails = new System.Windows.Forms.DataGrid(); this.cbCust = new System.Windows.Forms.ComboBox(); this.txtPhoneNo = new System.Windows.Forms.TextBox(); this.txtFaxNo = new System.Windows.Forms.TextBox(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.label3 = new System.Windows.Forms.Label(); this.label4 = new System.Windows.Forms.Label(); this.txtContact = new System.Windows.Forms.TextBox(); ((System.ComponentModel.ISupportInitialize)(this.grdOrders)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrderDetails)).BeginInit(); this.SuspendLayout(); // // grdOrders // this.grdOrders.AllowNavigation = false; this.grdOrders.DataMember = ""; this.grdOrders.HeaderForeColor = System.Drawing.SystemColors.ControlText; this.grdOrders.Location = new System.Drawing.Point(40, 176); this.grdOrders.Name = "grdOrders"; this.grdOrders.Size = new System.Drawing.Size(448, 144); this.grdOrders.TabIndex = 1; // // grdOrderDetails // this.grdOrderDetails.DataMember = ""; this.grdOrderDetails.HeaderForeColor = System.Drawing.SystemColors.ControlText; this.grdOrderDetails.Location = new System.Drawing.Point(40, 328); this.grdOrderDetails.Name = "grdOrderDetails"; this.grdOrderDetails.Size = new System.Drawing.Size(448, 136); this.grdOrderDetails.TabIndex = 2; // // cbCust // this.cbCust.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList; this.cbCust.Location = new System.Drawing.Point(216, 32); this.cbCust.Name = "cbCust"; this.cbCust.Size = new System.Drawing.Size(240, 21); this.cbCust.TabIndex = 3; // // txtPhoneNo // this.txtPhoneNo.Location = new System.Drawing.Point(216, 96); this.txtPhoneNo.Name = "txtPhoneNo"; this.txtPhoneNo.Size = new System.Drawing.Size(240, 20); this.txtPhoneNo.TabIndex = 4; this.txtPhoneNo.Text = "textBox1"; // // txtFaxNo // this.txtFaxNo.Location = new System.Drawing.Point(216, 128); this.txtFaxNo.Name = "txtFaxNo"; this.txtFaxNo.Size = new System.Drawing.Size(240, 20); this.txtFaxNo.TabIndex = 5; this.txtFaxNo.Text = "textBox2"; // // label1 // this.label1.Location = new System.Drawing.Point(80, 32); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(128, 24); this.label1.TabIndex = 6; this.label1.Text = "Customer Name"; this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // label2 // this.label2.Location = new System.Drawing.Point(80, 96); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(128, 24); this.label2.TabIndex = 7; this.label2.Text = "Phone Number"; this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // label3 // this.label3.Location = new System.Drawing.Point(80, 128); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(128, 24); this.label3.TabIndex = 8; this.label3.Text = "Fax Number"; this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // label4 // this.label4.Location = new System.Drawing.Point(80, 64); this.label4.Name = "label4"; this.label4.Size = new System.Drawing.Size(128, 24); this.label4.TabIndex = 10; this.label4.Text = "Contact Name"; this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // txtContact // this.txtContact.Location = new System.Drawing.Point(216, 64); this.txtContact.Name = "txtContact"; this.txtContact.Size = new System.Drawing.Size(240, 20); this.txtContact.TabIndex = 9; this.txtContact.Text = "textBox1"; // // DataBinding4 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(520, 483); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.label4, this.txtContact, this.label3, this.label2, this.label1, this.txtFaxNo, this.txtPhoneNo, this.cbCust, this.grdOrderDetails, this.grdOrders}); this.Name = "DataBinding4"; this.Text = "DataBinding4"; ((System.ComponentModel.ISupportInitialize)(this.grdOrders)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrderDetails)).EndInit(); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new DataBinding4()); } } }
Data Binding 3
/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; namespace DataBinding_3 { /// <summary> /// Summary description for DataBinding_3. /// </summary> public class DataBinding_3 : System.Windows.Forms.Form { private System.Windows.Forms.DataGrid grdOrders; private System.Windows.Forms.DataGrid grdOrderDetails; private System.Windows.Forms.DataGrid grdCustomers; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public DataBinding_3() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // SqlConnection cn=new SqlConnection(@"data source=(local);uid=sa;password=;database=northwind"); DataSet ds = new DataSet("CustOrders"); SqlDataAdapter daCust=new SqlDataAdapter("select * from customers;select * from orders;select * from [order details]",cn); daCust.Fill(ds); ds.Relations.Add("CustOrder",ds.Tables["Table"].Columns["customerid"],ds.Tables["Table1"].Columns["customerid"]); ds.Relations.Add("OrderDetail",ds.Tables["Table1"].Columns["orderid"],ds.Tables["Table2"].Columns["orderid"]); grdCustomers.DataSource=ds; grdCustomers.DataMember="Table"; grdOrders.DataSource=ds; grdOrders.DataMember="Table.CustOrder"; grdOrderDetails.DataSource=ds; grdOrderDetails.DataMember="Table.CustOrder.OrderDetail"; } /// <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.grdCustomers = new System.Windows.Forms.DataGrid(); this.grdOrders = new System.Windows.Forms.DataGrid(); this.grdOrderDetails = new System.Windows.Forms.DataGrid(); ((System.ComponentModel.ISupportInitialize)(this.grdCustomers)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrders)).BeginInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrderDetails)).BeginInit(); this.SuspendLayout(); // // grdCustomers // this.grdCustomers.AllowNavigation = false; this.grdCustomers.DataMember = ""; this.grdCustomers.HeaderForeColor = System.Drawing.SystemColors.ControlText; this.grdCustomers.Location = new System.Drawing.Point(40, 16); this.grdCustomers.Name = "grdCustomers"; this.grdCustomers.Size = new System.Drawing.Size(448, 152); this.grdCustomers.TabIndex = 0; // // grdOrders // this.grdOrders.AllowNavigation = false; this.grdOrders.DataMember = ""; this.grdOrders.HeaderForeColor = System.Drawing.SystemColors.ControlText; this.grdOrders.Location = new System.Drawing.Point(40, 176); this.grdOrders.Name = "grdOrders"; this.grdOrders.Size = new System.Drawing.Size(448, 144); this.grdOrders.TabIndex = 1; // // grdOrderDetails // this.grdOrderDetails.DataMember = ""; this.grdOrderDetails.HeaderForeColor = System.Drawing.SystemColors.ControlText; this.grdOrderDetails.Location = new System.Drawing.Point(40, 328); this.grdOrderDetails.Name = "grdOrderDetails"; this.grdOrderDetails.Size = new System.Drawing.Size(448, 136); this.grdOrderDetails.TabIndex = 2; // // DataBinding_3 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(528, 483); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.grdOrderDetails, this.grdOrders, this.grdCustomers}); this.Name = "DataBinding_3"; this.Text = "DataBinding_3"; ((System.ComponentModel.ISupportInitialize)(this.grdCustomers)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrders)).EndInit(); ((System.ComponentModel.ISupportInitialize)(this.grdOrderDetails)).EndInit(); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new DataBinding_3()); } } }
ADO.NET Binding : Unsynchronized
/* 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 Unsynchronized. /// </summary> public class Unsynchronized : System.Windows.Forms.Form { internal System.Windows.Forms.GroupBox grp; internal System.Windows.Forms.ListBox lstProduct; internal System.Windows.Forms.GroupBox grpCategory; internal System.Windows.Forms.ListBox lstCategory; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public Unsynchronized() { // // 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.grp = new System.Windows.Forms.GroupBox(); this.lstProduct = new System.Windows.Forms.ListBox(); this.grpCategory = new System.Windows.Forms.GroupBox(); this.lstCategory = new System.Windows.Forms.ListBox(); this.grp.SuspendLayout(); this.grpCategory.SuspendLayout(); this.SuspendLayout(); // // grp // this.grp.Controls.AddRange(new System.Windows.Forms.Control[] { this.lstProduct}); this.grp.FlatStyle = System.Windows.Forms.FlatStyle.System; this.grp.Location = new System.Drawing.Point(6, 137); this.grp.Name = "grp"; this.grp.Size = new System.Drawing.Size(280, 136); this.grp.TabIndex = 5; this.grp.TabStop = false; // // lstProduct // this.lstProduct.Location = new System.Drawing.Point(16, 24); this.lstProduct.Name = "lstProduct"; this.lstProduct.Size = new System.Drawing.Size(248, 95); this.lstProduct.TabIndex = 1; // // grpCategory // this.grpCategory.Controls.AddRange(new System.Windows.Forms.Control[] { this.lstCategory}); this.grpCategory.FlatStyle = System.Windows.Forms.FlatStyle.System; this.grpCategory.Location = new System.Drawing.Point(6, 0); this.grpCategory.Name = "grpCategory"; this.grpCategory.Size = new System.Drawing.Size(280, 136); this.grpCategory.TabIndex = 4; this.grpCategory.TabStop = false; // // lstCategory // this.lstCategory.Location = new System.Drawing.Point(16, 24); this.lstCategory.Name = "lstCategory"; this.lstCategory.Size = new System.Drawing.Size(248, 95); this.lstCategory.TabIndex = 0; // // Unsynchronized // this.AutoScaleBaseSize = new System.Drawing.Size(5, 14); this.ClientSize = new System.Drawing.Size(300, 290); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.grp, this.grpCategory}); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Name = "Unsynchronized"; this.Text = "Unsynchronized"; this.Load += new System.EventHandler(this.Unsynchronized_Load); this.grp.ResumeLayout(false); this.grpCategory.ResumeLayout(false); this.ResumeLayout(false); } #endregion private void Unsynchronized_Load(object sender, System.EventArgs e) { // Make sure all the controls in this group box have a different binding. grpCategory.BindingContext = new BindingContext(); DataSet dsStore = new DataSet(); dsStore.ReadXmlSchema(Application.StartupPath + "store.xsd"); dsStore.ReadXml(Application.StartupPath + "store.xml"); lstCategory.DataSource = dsStore.Tables["Categories"]; lstCategory.DisplayMember = "CategoryName"; lstProduct.DataSource = dsStore.Tables["Categories"]; lstProduct.DisplayMember = "CategoryName"; } [STAThread] static void Main() { Application.Run(new Unsynchronized()); } } } ADO.NETBinding.zip( 76 k)
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
{
///
///
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;
///
///
private System.ComponentModel.Container components = null;
public MultipleControlBinding()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
///
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
///
/// the contents of this method with the code editor.
///
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;
}
}
}
}
ADO.NETBinding.zip( 76 k)[/csharp]