private void InitializeControlsAndDataSource()
{
// Initialize the controls and set location, size and
// other basic properties.
this.dataGridView1 = new DataGridView();
this.bindingSource1 = new BindingSource();
this.button1 = new Button();
this.dataGridView2 = new DataGridView();
this.cachePositionCheckBox = new System.Windows.Forms.CheckBox();
this.dataGridView1.ColumnHeadersHeightSizeMode =
DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridView1.Dock = DockStyle.Top;
this.dataGridView1.Location = new Point(0, 20);
this.dataGridView1.Size = new Size(292, 170);
this.button1.Location = new System.Drawing.Point(18, 175);
this.button1.Size = new System.Drawing.Size(125, 23);
button1.Text = "Clear Parent Field";
this.button1.Click += new System.EventHandler(this.button1_Click);
this.dataGridView2.ColumnHeadersHeightSizeMode =
System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridView2.Location = new System.Drawing.Point(0, 225);
this.dataGridView2.Size = new System.Drawing.Size(309, 130);
this.cachePositionCheckBox.AutoSize = true;
this.cachePositionCheckBox.Checked = true;
this.cachePositionCheckBox.Location = new System.Drawing.Point(150, 175);
this.cachePositionCheckBox.Name = "radioButton1";
this.cachePositionCheckBox.Size = new System.Drawing.Size(151, 17);
this.cachePositionCheckBox.Text = "Cache and restore position";
this.ClientSize = new System.Drawing.Size(325, 420);
this.Controls.Add(this.dataGridView1);
this.Controls.Add(this.cachePositionCheckBox);
this.Controls.Add(this.dataGridView2);
this.Controls.Add(this.button1);
// Initialize the data.
set1 = InitializeDataSet();
// Set the data source to the DataSet.
bindingSource1.DataSource = set1;
//Set the DataMember to the Menu table.
bindingSource1.DataMember = "Customers";
// Add the control data bindings.
dataGridView1.DataSource = bindingSource1;
// Set the data source and member for the second DataGridView.
dataGridView2.DataSource = bindingSource1;
dataGridView2.DataMember = "custOrders";
// Get the currency manager for the customer orders binding.
CurrencyManager relatedCM =
bindingSource1.GetRelatedCurrencyManager("custOrders");
// Set the position in the child table for demonstration purposes.
relatedCM.Position = 3;
// Handle the current changed event. This event occurs when
// the current item is changed, but not when a field of the current
// item is changed.
bindingSource1.CurrentChanged +=
new EventHandler(bindingSource1_CurrentChanged);
// Handle the two events for caching and resetting the position.
relatedCM.ListChanged += new ListChangedEventHandler(relatedCM_ListChanged);
relatedCM.PositionChanged
+= new EventHandler(relatedCM_PositionChanged);
// Set cacheing to true in case current changed event
// occured on set up.
cacheChildPosition = true;
}
