в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

Admin: 1 версия

2010-05-26T12:19:06Z

1 версия

Новая страница

==ColumnMappings==

<source lang="csharp">using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb;
using System.Data.rumon;
public class DataColumnMappingDemo : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dataGrid1;
private System.ruponentModel.Container components = null;
public DataColumnMappingDemo()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.dataGrid1 = new System.Windows.Forms.DataGrid();
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
// dataGrid1
//
this.dataGrid1.DataMember = "";
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(8, 16);
this.dataGrid1.Name = "dataGrid1";
this.dataGrid1.Size = new System.Drawing.Size(432, 248);
this.dataGrid1.TabIndex = 0;
//
// DataColumnMappingDemo
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(448, 273);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.dataGrid1});
this.Name = "DataColumnMappingDemo";
this.Text = "DataColumnMappingDemo";
this.Load += new System.EventHandler(this.DataColumnMappingDemo_Load);
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new DataColumnMappingDemo());
}
private void DataColumnMappingDemo_Load(object sender, System.EventArgs e)
{
string ConnectionString ="Integrated Security=SSPI;Initial Catalog=Northwind;Data Source=localhost;";
SqlConnection conn = new SqlConnection(ConnectionString);
conn.Open();
DataTableMapping myMapping = new DataTableMapping("Table", "Orders");
SqlDataAdapter adapter = new SqlDataAdapter("Select * From Orders", conn);
adapter.TableMappings.Add(myMapping);
myMapping.ColumnMappings.Add(new DataColumnMapping("OrderID", "mapID"));

DataSet ds = new DataSet();
adapter.Fill(ds);
Console.WriteLine( ds.Tables["Orders"].Rows[0]["mapID"].ToString());
dataGrid1.DataSource = ds.DefaultViewManager;
}
}</source>

==DataTableMapping and DataGrid==

<source lang="csharp">using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb;
using System.Data.rumon;
public class DataTableMappingDemo : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dataGrid1;
private System.ruponentModel.Container components = null;
public DataTableMappingDemo()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.dataGrid1 = new System.Windows.Forms.DataGrid();
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
// dataGrid1
//
this.dataGrid1.DataMember = "";
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(8, 16);
this.dataGrid1.Name = "dataGrid1";
this.dataGrid1.Size = new System.Drawing.Size(432, 248);
this.dataGrid1.TabIndex = 0;
//
// DataTableMapping
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(448, 273);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.dataGrid1});
this.Name = "DataTableMapping";
this.Text = "DataTableMapping";
this.Load += new System.EventHandler(this.DataTableMapping_Load);
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new DataTableMappingDemo());
}
private void DataTableMapping_Load(object sender, System.EventArgs e)
{
string ConnectionString ="server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;";
SqlConnection conn = new SqlConnection(ConnectionString);
conn.Open();
DataTableMapping myMapping = new DataTableMapping("Employee", "mapEmployee");
SqlDataAdapter adapter = new SqlDataAdapter("Select * From Employee", conn);
adapter.TableMappings.Add(myMapping);
DataSet ds = new DataSet();
adapter.Fill(ds, "mapEmployee");
dataGrid1.DataSource = ds.DefaultViewManager;
}
}</source>

==Table mapping==

<source lang="csharp">using System;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Data.rumon;
using System.Windows.Forms;
class MainClass
{
static void Main(string[] args)
{
string ConnectionString ="server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;";
SqlConnection conn = new SqlConnection(ConnectionString);
conn.Open();
try
{
DataTableMapping myMapping = new DataTableMapping("Employee", "mapEmployee");
SqlDataAdapter adapter = new SqlDataAdapter("Select * From Employee", conn);
adapter.TableMappings.Add(myMapping);
DataSet ds = new DataSet();
adapter.Fill(ds, "mapEmployee");
Console.WriteLine(ds.Tables[0].ToString());
}
catch(SqlException ex)
{
Console.WriteLine(ex.Message.ToString());
}
}
}</source>

← Предыдущая	Версия 15:31, 26 мая 2010
(нет различий)

Csharp/CSharp Tutorial/ADO.Net/DataTableMapping - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия