в 15:31, 26 мая 2010

2010-05-26T15:31:35Z

Admin: 1 версия

2010-05-26T12:12:19Z

1 версия

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==DataViewManager.CreateDataView==

<source lang="csharp">
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;
public class DataViewManagerDemo : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dataGrid1;
public DataViewManagerDemo()
{
InitializeComponent();
}
private void InitializeComponent()
{
this.dataGrid1 = new System.Windows.Forms.DataGrid();
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
this.dataGrid1.DataMember = "";
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(8, 8);
this.dataGrid1.Size = new System.Drawing.Size(448, 328);
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(480, 341);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.dataGrid1});
this.Load += new System.EventHandler(this.DataViewManagerDemo_Load);
((System.ruponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new DataViewManagerDemo());
}
private void DataViewManagerDemo_Load(object sender, System.EventArgs e)
{
string ConnectionString ="Integrated Security=SSPI;Initial Catalog=Northwind;Data Source=localhost;";
SqlConnection conn = new SqlConnection(ConnectionString);
conn.Open();
DataSet ds = new DataSet("Orders");
SqlDataAdapter adapter = new SqlDataAdapter("SELECT * FROM Orders", conn);
adapter.Fill(ds, "Orders");
DataViewManager dvm = new DataViewManager(ds);
dvm.DataViewSettings["Orders"].RowFilter = "EmployeeID = 4";
dvm.DataViewSettings["Orders"].Sort = "ShippedDate ASC";
DataView dataView1 = dvm.CreateDataView(ds.Tables["Orders"]);
dataGrid1.DataSource = dataView1;
}
}

</source>

==DataViewManager.DataViewSettings==

<source lang="csharp">
using System;
using System.Configuration;
using System.Data;
using System.Data.rumon;
using System.Data.SqlClient;
using System.Windows.Forms;
class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void getData_Click(object sender, EventArgs e) {
string orders = "SELECT * FROM Orders";
string customers = "SELECT * FROM Customers";
using (SqlConnection con = new SqlConnection("northwind ConnectionString")) {
SqlDataAdapter da = new SqlDataAdapter(orders, con);
DataSet ds = new DataSet();
da.Fill(ds, "Orders");
da = new SqlDataAdapter(customers, con);
da.Fill(ds, "Customers");
ds.Relations.Add("CustomerOrders",
ds.Tables["Customers"].Columns["CustomerID"],
ds.Tables["Orders"].Columns["CustomerID"]);
DataViewManager dvm = new DataViewManager(ds);
dvm.DataViewSettings["Customers"].RowFilter = "Country="UK"";
dataGrid.SetDataBinding(dvm, "Customers");
}
}
private void InitializeComponent() {
this.getData = new System.Windows.Forms.Button();
this.dataGrid = new System.Windows.Forms.DataGrid();
this.SuspendLayout();
//
// getData
//
this.getData.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.getData.Location = new System.Drawing.Point(684, 558);
this.getData.Name = "getData";
this.getData.TabIndex = 0;
this.getData.Text = "Get Data";
this.getData.Click += new System.EventHandler(this.getData_Click);
//
// dataGrid
//
this.dataGrid.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.dataGrid.Location = new System.Drawing.Point(13, 13);
this.dataGrid.Name = "dataGrid";
this.dataGrid.Size = new System.Drawing.Size(745, 534);
this.dataGrid.TabIndex = 1;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(771, 593);
this.Controls.Add(this.dataGrid);
this.Controls.Add(this.getData);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}

private System.Windows.Forms.Button getData;
private System.Windows.Forms.DataGrid dataGrid;
[STAThread]
static void Main() {
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}

</source>

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в 15:31, 26 мая 2010

Admin: 1 версия