ASP.Net/Asp Control/Repeater — различия между версиями

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м (1 версия)
 
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Версия 15:30, 26 мая 2010

ItemTemplate in a repeater

<%@ Page %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.SqlClient" %>
<script runat="server">
    Sub Page_Load(sender as Object, e as EventArgs)
       Const strConnString as String = "server=localhost;uid=sa;pwd=;database=pubs"
       Dim objConn as New SqlConnection(strConnString)
    
      Const strSQL as String = "SELECT * FROM authors"
      Dim objCmd as New SqlCommand(strSQL, objConn)
    
      Dim objDA as New SqlDataAdapter()
      objDA.SelectCommand = objCmd
    
      Dim objDS as New DataSet()
      objDA.Fill(objDS)
      objConn.Close()
    
      rptAuthors.DataSource = objDS
      rptAuthors.DataBind()
    End Sub
</script>
<asp:repeater id="rptAuthors" runat="server">
  <HeaderTemplate>
    <table id="dlAuthors">
  </HeaderTemplate>
  
  <ItemTemplate>
    <tr>
      <td>
        <b><%# DataBinder.Eval(Container.DataItem, "au_lname") %>,
        <%# DataBinder.Eval(Container.DataItem, "au_fname") %></b>
      </td>
    </tr>
  </ItemTemplate>
  
  <FooterTemplate>
    </table>
  </FooterTemplate>
</asp:repeater>



Repeater data binding

<script language="C#" runat="server">
public class State {
    string _name;
    string _timezone;
    public State(string name, string timezone) {
        _name = name;
        _timezone = timezone;
    }
    public string Name {
        get { return _name; }
    }
    public string TimeZone {
        get { return _timezone; }
    }
}
protected void Page_Load(object o, EventArgs e) {
    if(!IsPostBack) {
        ArrayList states = new ArrayList();
        states.Add(new State("Washington", "Pacific"));
        states.Add(new State("Utah", "Mountain"));
        repeaterVertical.DataSource = states;
        repeaterHorizontal.DataSource = states;
        repeaterVertical.DataBind();
        repeaterHorizontal.DataBind();
    }
}
</script>
<form runat="server">
    <asp:Repeater runat="server" id="repeaterVertical">
        <HeaderTemplate>
           <table><tr><th>State</th><th>TimeZone</th></tr>
        </HeaderTemplate>
        <ItemTemplate>
           <tr>
              <td><%#((State)(Container.DataItem)).Name %></td>
              <td><%#DataBinder.Eval(Container, "DataItem.TimeZone") %></td>
           </tr>
        </ItemTemplate>
        <SeparatorTemplate><tr><td><hr></td></tr></SeparatorTemplate>
        <AlternatingItemTemplate>
           <tr>
              <td><%#((State)(Container.DataItem)).Name %></td>
              <td><%#DataBinder.Eval(Container, "DataItem.TimeZone") %></td>
           </tr>
        </AlternatingItemTemplate>
        <FooterTemplate></table></FooterTemplate>
    </asp:Repeater>
   <asp:Repeater runat="server" id="repeaterHorizontal">
       <HeaderTemplate><table><tr><th>State<br/>TimeZone</th>
       </HeaderTemplate>
       <ItemTemplate>
          <td>
            <%#DataBinder.Eval(Container.DataItem, "Name") %><br />
            <%#DataBinder.Eval(Container.DataItem, "TimeZone") %>
          </td>
       </ItemTemplate>
       <AlternatingItemTemplate>
          <td>
            <%#DataBinder.Eval(Container.DataItem, "Name") %><br />
            <%#DataBinder.Eval(Container.DataItem, "TimeZone") %>
          </td>
       </AlternatingItemTemplate>
       <FooterTemplate></tr></table></FooterTemplate>
</asp:Repeater>
</form>



SelectedItemTemplate in repeater

<%@ Page Language="C#" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.SqlClient" %>
<script runat="server" language="C#">
    void Page_Load(object sender, EventArgs e)
    {
      if (!Page.IsPostBack)
        BindData();
    }
    void BindData()
    {
      const string strConnString = "server=localhost;uid=sa;pwd=;database=pubs";
      SqlConnection objConn = new SqlConnection(strConnString);
    
      const string strSQL = "SELECT * FROM titles";
      SqlCommand objCmd = new SqlCommand(strSQL, objConn);
    
      objConn.Open();
    
      dlTitles.DataSource = objCmd.ExecuteReader(CommandBehavior.CloseConnection);
      dlTitles.DataBind();
    
      objConn.Close();
    }
    void DisplayBookDetails(object sender, EventArgs e)
    {
      BindData();
    }
</script>
<form runat="server">
  <asp:DataList runat="server" 
                id="dlTitles"
                OnSelectedIndexChanged="DisplayBookDetails"
                Font-Name="Verdana" 
                Font-Size="11pt"
                ItemStyle-BackColor="#eeeeee"
                AlternatingItemStyle-BackColor="White"
                HorizontalAlign="Center" CellPadding="8">
    
    <ItemTemplate>
      <i><%# DataBinder.Eval(Container.DataItem, "title") %></i>
      [<asp:LinkButton 
            runat="server" CommandName="Select"
            Text="View Book Details" />]
    </ItemTemplate>
    
    <SelectedItemTemplate>
      <table>
        <tr>
          <td><b>Title:</b></td>
          <td><%# DataBinder.Eval(Container.DataItem, "title") %></td>
        </tr>
        <tr>
          <td><b>Type:</b></td>
          <td><%# DataBinder.Eval(Container.DataItem, "type") %></td>
        </tr>
        <tr>
          <td><b>Notes:</b></td>
          <td><%# DataBinder.Eval(Container.DataItem, "notes") %></td>
        </tr>
      </table>      
    </SelectedItemTemplate>
  </asp:DataList>
</form>



SeparatorTemplate in a repeater

<%@ Page Language="vb" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.SqlClient" %>
<script runat="server">
    Sub Page_Load(sender as Object, e as EventArgs)
      If Not Page.IsPostBack then
        BindData()
      End If
    End Sub
    
    
    Sub BindData()
      Const strConnString as String = "server=localhost;uid=sa;pwd=;database=pubs"
      Dim objConn as New SqlConnection(strConnString)
    
      Const strSQL as String = "SELECT * FROM titles"
      Dim objCmd as New SqlCommand(strSQL, objConn)
    
      objConn.Open()   "Open the connection
    
      rptTitles.DataSource = objCmd.ExecuteReader(CommandBehavior.CloseConnection)
      rptTitles.DataBind()
    
      objConn.Close()   "Close the connection
    End Sub
    
    
    Sub rptTitles_ItemCommand(sender As Object, e As RepeaterCommandEventArgs)
      If e.rumandName = "Details" then
        Dim lc as Label = e.Item.FindControl("lblTitleID")
        Dim strTitleID as String = lc.Text
      End If
    End Sub
</script>
<form runat="server">
  <asp:Repeater runat="server" id="rptTitles"
        OnItemCommand="rptTitles_ItemCommand">
    <ItemTemplate>
      <b>Title:</b> <%# DataBinder.Eval(Container.DataItem, "title") %>
      <br />
      [<asp:LinkButton runat="server" id="btnDetails" 
           Text="View Book Details" CommandName="Details" />]
           
      <asp:label id="lblTitleID" Visible="False" runat="Server"
           Text="<%# DataBinder.Eval(Container.DataItem, "title_id") %>" />
    </ItemTemplate>
    
    <SeparatorTemplate>
      <hr>
    </SeparatorTemplate>
  </asp:Repeater>
</form>