[英]How to make pyramid shape asp.net datalist?
這是我的代碼。
public void pyramidlist()
{
SqlConnection path= new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True");
path.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from Players", yol);
DataTable dt = new DataTable();
da.Fill(dt);
List<Players> playerList= new List<Players>();
playerList= (from DataRow dr in dt.Rows
select new Players()
{
Name= (dr["Name"].ToString()),
Order= int.Parse(dr["Order"].ToString()),
ID = int.Parse(dr["ID"].ToString())
}).ToList();
playerList= playerList.OrderBy(x => x.ID).ToList();
datalist1.DataSource = playerList;
datalist1.DataBind();
public class Players
{
public string Name{ get; set; }
public int Order{ get; set; }
public int ID { get; set; }
}
我想設置RepeatColums屬性1.2.3.4.5.6.7.8.9.10。 最終,數據列表將顯示為三角形或金字塔形。 你可以告訴我不同的方式。 沒問題。 我想更改RepeatColums。 第一記錄第一行,第二和第三記錄在第二行,4-5-6記錄在第三行。
Default.aspx代碼...
<asp:DataList runat="server" ID="datalist1" RepeatLayout="Flow" RepeatColumns="2"> <ItemTemplate>
<asp:HyperLink ID="HyperLink1" CssClass="link" NavigateUrl='PlayerDetails.aspx?id=<%# Eval("Id") %>' runat="server"> <%# Eval("Sira") %>. <%# Eval("AdSoyad") %></asp:HyperLink>
</ItemTemplate> </asp:DataList>
如果嵌套兩個數據列表元素,則可以使用外部循環來控制內部循環的長度
因此,后面的代碼相似,但是包含一個容器列表,該列表定義了重復的長度
protected void Page_Load(object sender, EventArgs e)
{
SqlConnection path = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True");
path.Open();
SqlDataAdapter da = new SqlDataAdapter("Select * from Players", path);
DataTable dt = new DataTable();
da.Fill(dt);
// fill the players list from the database
List<Players> playerList = new List<Players>();
playerList = (from DataRow dr in dt.Rows
select new Players()
{
Name = (dr["Name"].ToString()),
Order = int.Parse(dr["Order"].ToString()),
ID = int.Parse(dr["ID"].ToString())
}).ToList();
playerList = playerList.OrderBy(x => x.ID).ToList();
// consume the players list in increasing increments
List<Tier> tierList = new List<Tier>();
for(var tierLength = 1; playerList.Count > 0; tierLength++)
{
var tier = new Tier();
tier.Players = new List<Players>();
tier.TierLength = tierLength;
for(var playerCount = 0; playerCount < tierLength && playerList.Count > 0; playerCount++)
{
tier.Players.Add(playerList[0]);
playerList.RemoveAt(0);
}
tierList.Add(tier);
}
// bind the tierList to the outer datalist element
// the inner datalist element will be a child
DataList0.DataSource = tierList;
DataList0.DataBind();
}
}
public class Players
{
public string Name { get; set; }
public int Order { get; set; }
public int ID { get; set; }
}
public class Tier
{
public List<Players> Players { get; set; }
public int TierLength { get; set; }
}
並且ASPX代碼如下所示
<asp:DataList ID="DataList0" runat="server">
<ItemTemplate>
<asp:DataList ID="DataList1" runat="server" DataSource='<%# Eval("Players") %>' RepeatLayout="Flow" RepeatColumns='<%# Eval ("TierLength") %>'>
<ItemTemplate>
<asp:HyperLink ID="HyperLink1" CssClass="link" NavigateUrl='PlayerDetails.aspx?id=<%# Eval("ID") %>' runat="server"><%# Eval("Name") %></asp:HyperLink>
</ItemTemplate>
</asp:DataList>
</ItemTemplate>
</asp:DataList>
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