Repeater中嵌套Repeater的示例介绍

  protected void Page_Load(object sender, EventArgs e)

  {

  if (!Page.IsPostBack)

  {

  this.dtCategory = GetCategoryTable();

  this.dtProduct = GetProductTable();

  rptCategoryList.DataSource = dtCategory;

  rptCategoryList.DataBind();

  }

  }

  // 准备一张分类表

  DataTable GetCategoryTable()

  {

  DataTable dt = new DataTable();

  dt.Columns.Add("CategoryId", typeof(int));

  dt.Columns.Add("CategoryTitle", typeof(string));

  for (int i = 1; i <= 3; i++)

  {

  DataRow row = dt.NewRow();

  row["CategoryId"] = i;

  row["CategoryTitle"] = "分类名字 " + i + "";

  dt.Rows.Add(row);

  }

  return dt;

  }

  // 准备一张产品表

  DataTable GetProductTable()

  {

  DataTable dt = new DataTable();

  dt.Columns.Add("ProductTitle", typeof(string));

  dt.Columns.Add("CategoryId", typeof(int));

  for (int i = 1; i <= 9; i++)

  {

  DataRow row = dt.NewRow();

  row["ProductTitle"] = "产品名字 " + i + "";

  if (i > 6) row["CategoryId"] = 3;

  else if (i > 3) row["CategoryId"] = 2;

  else row["CategoryId"] = 1;

  dt.Rows.Add(row);

  }

  return dt;

  }

  // 获取某个类别的产品

  DataTable GetProductTable(int categoryId)

  {

  DataView dv = this.dtProduct.DefaultView;

  dv.RowFilter = " CategoryId=" + categoryId + " ";

  return dv.ToTable();

  }

  protected void rptCategoryList_ItemDataBound(object sender, RepeaterItemEventArgs e)

  {

  if (e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.Item)

  {

  DataRowView drv = (DataRowView)e.Item.DataItem;

  Literal ltlTitle = (Literal)e.Item.FindControl("ltlTitle");

  ltlTitle.Text = drv["CategoryTitle"].ToString();

  Repeater rptProductList = (Repeater)e.Item.FindControl("rptProductList");

  rptProductList.DataSource = GetProductTable(Convert.ToInt32(drv["CategoryId"]));

  rptProductList.DataBind();

  }

  }

  protected void rptProductList_ItemDataBound(object sender, RepeaterItemEventArgs e)

  {

  if (e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.Item)

  {

  DataRowView drv = (DataRowView)e.Item.DataItem;

  Literal ltlTitle = (Literal)e.Item.FindControl("ltlTitle");

  ltlTitle.Text = drv["ProductTitle"].ToString();

  }

  }