asp.net 实现购物车详细代码（三）

public void Update( )
{
int i;
int j;
int k;
ArrayList deleteItem = new ArrayList( 10 );
DataGridItem _item ;
j=0;
int deleteid;
k=0;
DataTable nowTable2=new DataTable( "nowCartTable2" );
nowTable2=( DataTable )Session["myCartTable"];
for( i=0;
i＜=this.ShoppingCartDlt.Items.Count-1;
i++ )
{
_item = this.ShoppingCartDlt.Items[i];
TextBox CountText=( TextBox )this.ShoppingCartDlt.Items[i].Cells[4].FindControl( "CountTb" );
//Controls[1];
//_item.FindControl( "CountTb" );
CheckBox ProductIDCheck =( CheckBox ) _item.FindControl( "chkProductID" );
nowTable2.Rows[i][1] = Int32.Parse( CountText.Text.ToString( ) );
nowTable2.Rows[i][4] = Int32.Parse( nowTable2.Rows[i][1].ToString( ) ) * Double.Parse( nowTable2.Rows[i][3].ToString( ) );
if( ProductIDCheck.Checked )
{
nowTable2.Rows[i][5] = 1;
//添加删除标记1 j=j+1;
}
}
string strExpr="IsDeleted＞0";
//http://msdn.microsoft.com/library/chs/default.asp?url=/library/CHS/cpref/html/frlrfSystemDataDataTableClassSelectTopic.asp DataRow[] foundRows = nowTable2.Select( strExpr );
for( int m = 0;
m ＜ foundRows.Length;
m ++ )
{
//Console.WriteLine( foundRows[i][0] );
foundRows[m].Delete( );
}
ShoppingCartDlt.DataSource = nowTable2.DefaultView;
ShoppingCartDlt.DataBind( );
Session["myCartTable"] = nowTable2;
Caculator( );
}
#region Web 窗体设计器生成的代码 override protected void OnInit( EventArgs e )
{
// // CODEGEN: 该调用是 asp.NET Web 窗体设计器所必需的. // InitializeComponent( );
base.OnInit( e );
}
/// ＜summary＞ /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容. /// ＜/summary＞ private void InitializeComponent( )
{
this.update.Click += new System.EventHandler( this.update_Click );
this.CheckOut.Click += new System.EventHandler( this.CheckOut_Click );
this.Load += new System.EventHandler( this.Page_Load );
}
#endregion
private void update_Click( object sender, System.EventArgs e )
{
Update( );
}
private void CheckOut_Click( object sender, System.EventArgs e )
{
Update( );
Response.Redirect( "checkout.aspx" );
}
}
}