Mega Code Archive
Data binding for Multiple Controls
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using System.Data.SqlClient;
using System.Data;
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
public class MultipleControls : System.Windows.Forms.Form
{
private System.Windows.Forms.DataGrid dataGrid1;
private System.Windows.Forms.ComboBox cboCustomerID;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox txtCustomerID;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox txtContactName;
public MultipleControls()
{
this.dataGrid1 = new System.Windows.Forms.DataGrid();
this.cboCustomerID = new System.Windows.Forms.ComboBox();
this.button1 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.txtCustomerID = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.txtContactName = new System.Windows.Forms.TextBox();
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
this.SuspendLayout();
//
this.dataGrid1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.dataGrid1.CaptionVisible = false;
this.dataGrid1.DataMember = "";
this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGrid1.Location = new System.Drawing.Point(12, 112);
this.dataGrid1.Name = "dataGrid1";
this.dataGrid1.Size = new System.Drawing.Size(436, 168);
this.dataGrid1.TabIndex = 1;
//
// cboCustomerID
//
this.cboCustomerID.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboCustomerID.Location = new System.Drawing.Point(120, 8);
this.cboCustomerID.Name = "cboCustomerID";
this.cboCustomerID.Size = new System.Drawing.Size(260, 21);
this.cboCustomerID.TabIndex = 2;
//
// button1
//
this.button1.Location = new System.Drawing.Point(340, 80);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(104, 24);
this.button1.TabIndex = 3;
this.button1.Text = "Test";
this.button1.Visible = false;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(12, 12);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(96, 20);
this.label1.TabIndex = 4;
this.label1.Text = "Select By ID:";
//
// txtCustomerID
//
this.txtCustomerID.Location = new System.Drawing.Point(120, 44);
this.txtCustomerID.Name = "txtCustomerID";
this.txtCustomerID.Size = new System.Drawing.Size(188, 21);
this.txtCustomerID.TabIndex = 5;
this.txtCustomerID.Text = "";
//
// label2
//
this.label2.Location = new System.Drawing.Point(12, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(80, 16);
this.label2.TabIndex = 6;
this.label2.Text = "Customter ID:";
//
// label3
//
this.label3.Location = new System.Drawing.Point(12, 72);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(104, 16);
this.label3.TabIndex = 7;
this.label3.Text = "Contact Name:";
//
// txtContactName
//
this.txtContactName.Location = new System.Drawing.Point(120, 68);
this.txtContactName.Name = "txtContactName";
this.txtContactName.Size = new System.Drawing.Size(188, 21);
this.txtContactName.TabIndex = 8;
this.txtContactName.Text = "";
//
// MultipleControls
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.ClientSize = new System.Drawing.Size(456, 294);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.txtContactName,
this.label3,
this.label2,
this.txtCustomerID,
this.label1,
this.button1,
this.cboCustomerID,
this.dataGrid1});
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.Load += new System.EventHandler(this.MultipleControls_Load);
((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
this.ResumeLayout(false);
}
private void MultipleControls_Load(object sender, System.EventArgs e)
{
string connectionString = @"Data Source=(local);Initial Catalog=Northwind;Integrated Security=SSPI";
string SQL = "SELECT * FROM Customers";
SqlConnection con = new SqlConnection(connectionString);
SqlCommand com = new SqlCommand(SQL, con);
SqlDataAdapter adapter = new SqlDataAdapter(com);
DataSet ds = new DataSet("Northwind");
con.Open();
adapter.Fill(ds, "Customers");
com.CommandText = "SELECT * FROM Products";
adapter.Fill(ds, "Products");
com.CommandText = "SELECT * FROM Suppliers";
adapter.Fill(ds, "Suppliers");
con.Close();
dataGrid1.DataSource = ds.Tables["Customers"].DefaultView;
cboCustomerID.DataSource = ds.Tables["Customers"].DefaultView;
cboCustomerID.DisplayMember = "CustomerID";
txtCustomerID.DataBindings.Add("Text", ds.Tables["Customers"].DefaultView,"CustomerID");
txtContactName.DataBindings.Add("Text", ds.Tables["Customers"].DefaultView,"ContactName");
}
private void button1_Click(object sender, System.EventArgs e)
{
BindingContext binding = this.BindingContext;
BindingManagerBase currency = binding[cboCustomerID.DataSource];
DataRowView drView = (DataRowView)currency.Current;
MessageBox.Show(drView["CustomerID"].ToString());
}
[STAThread]
static void Main()
{
Application.Run(new MultipleControls());
}
}
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