Use the ASP + DataGrid control to create the master View/details View (2)

Step6Page. cs:
Namespace Samples {
...
Public class Step6Page: Page {
// Update the selected author and reload the title corresponding to the selected content
// Grid
Protected void LoadTitlesGrid (){
UpdateSelection ();
TitlesGrid. DataBind ();
}
// Process the CancelCommand event in the title grid
// Stop editing without applying changes
Protected void OnCancelCommandTitlesGrid (object sender,
DataGridCommandEventArgs e ){
TitlesGrid. EditItemIndex =-1;
LoadTitlesGrid ();
}
// Process the EditCommand event in the title grid
// Start editing a row
Protected void OnEditCommandTitlesGrid (object sender,
DataGridCommandEventArgs e ){
TitlesGrid. EditItemIndex = e. Item. ItemIndex;
LoadTitlesGrid ();
}
// Process the UpdateCommand event in the title grid to apply
// Changes and end editing
Protected void OnUpdateCommandTitlesGrid (object sender,
DataGridCommandEventArgs e ){
TextBox priceText =
(TextBox) e. Item. FindControl ("Column3Control ");
String newPrice = priceText. Text. Substring (1 );
DataSet ds = GetSessionData ();
DataTable titlesTable = ds. Tables ["Title"];
String titleID =
(String) titlesGrid. DataKeys [e. Item. ItemIndex];
DataRow [] rows = titlesTable. Select ("title_id = '" +
TitleID + "'");
DataRow editRow = rows [0];
EditRow. BeginEdit ();
EditRow ["price"] = newPrice;
EditRow. EndEdit ();
EditRow. AcceptChanges ();