<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Register TagName="ChildRepeater"  TagPrefix="SamplesUC" Src="~/categories/ASPNET1/HierarchicalData/NestedRepeater.ascx"  %>
<%@ Import Namespace="System.Data" %>

<asp:content id="Content1" contentplaceholderid="head" runat="server">
</asp:content>
<script runat="server" language="C#">
private DataSet CreateDS()
    {
    DataSet ds;
    if (Session["Repeater_ParentChild"] == null)
        {
        ds = new DataSet();
        DataTable dt = new DataTable("Company");
        DataRow dr;
        dt.Columns.Add(new DataColumn("ID", typeof(Int32)));
        dt.Columns.Add(new DataColumn("CompanyName", typeof(string)));
        dt.Columns.Add(new DataColumn("Address", typeof(string)));
        dt.Columns.Add(new DataColumn("Name", typeof(string)));
        dt.Columns.Add(new DataColumn("Dept", typeof(string)));
        for (int i = 1; i < 10; i++)
            {
            dr = dt.NewRow();
            dr[0] = i;
            dr[1] = "Company " + i;
            dr[2] = "Address " + i;
            dr[3] = "Manager name";
            dr[4] = "Adminstration";
            dt.Rows.Add(dr);
            }
        ds.Tables.Add(dt);
        DataColumn[] Parent_PKColumns = new DataColumn[1];
        Parent_PKColumns[0] = dt.Columns["ID"];
        dt.PrimaryKey = Parent_PKColumns;

        dt = new DataTable("Employees");
        dt.Columns.Add(new DataColumn("ID", typeof(Int32)));
        dt.Columns.Add(new DataColumn("CompanyID", typeof(Int32)));
        dt.Columns.Add(new DataColumn("Name", typeof(string)));
        dt.Columns.Add(new DataColumn("Dept", typeof(string)));
        for (int i = 1; i < 10; i++)
            {
            int imax = 0;
            if (i % 2 == 0) imax = 5;
            else imax = 4;
            for (int y = 2; y < imax; y++)    //3 emplyees for each company
                {
                dr = dt.NewRow();
                dr[0] = y + i * 5;
                dr[1] = i;
                dr[2] = "Employee # " + dr[0];
                dr[3] = "Dept # " + (y + i);
                dt.Rows.Add(dr);
                }
            }
        DataColumn[] Child_PKColumns = new DataColumn[1];
        Child_PKColumns[0] = dt.Columns["ID"];
        dt.PrimaryKey = Child_PKColumns;
        ds.Tables.Add(dt);
        DataColumn[] Child_FKColumns = new DataColumn[1];
        Child_FKColumns[0] = dt.Columns["CompanyID"];

        DataRelation datarel = new DataRelation("ParentChild", Parent_PKColumns,
            Child_FKColumns);
        ds.Relations.Add(datarel);
        Session["Repeater_ParentChild"] = ds;
        }
    else
        {
        ds = (DataSet)Session["Repeater_ParentChild"];
        }
    return ds;

    }
private void Page_Load(object sender, System.EventArgs e)
    {
    if (!Page.IsPostBack) Repeater_DataBind();
    }
private void Repeater_DataBind()
    {
    ParentRepeater.DataSource = CreateDS().Tables["Company"];
    ParentRepeater.DataBind();
    }
protected void ParentRepeater_ItemDataBound(object sender,
    System.Web.UI.WebControls.RepeaterItemEventArgs e)
    {
    if (e.Item.ItemType == ListItemType.Item ||
        e.Item.ItemType == ListItemType.AlternatingItem ||
        e.Item.ItemType == ListItemType.EditItem)
        {


        int iPrimaryKey = Convert.ToInt16(((HtmlInputHidden)e.Item.FindControl("PK")).Value);
        WEBSWAPP.Website.CodeSamples.ASPNET1.HierarchicalData.NestedRepeater ChildList = (WEBSWAPP.Website.CodeSamples.ASPNET1.HierarchicalData.NestedRepeater)e.Item.FindControl("ChildList1");
        if (ChildList == null) ChildList = (WEBSWAPP.Website.CodeSamples.ASPNET1.HierarchicalData.NestedRepeater)e.Item.FindControl("ChildList2");
        if (ChildList != null) ChildList.CompanyPrimaryKey = iPrimaryKey;

        }
    }
protected void SelectGroup(object sender, System.EventArgs e)
    {
    RadioButton chk = (RadioButton)sender;
    RepeaterItem dlItem = (RepeaterItem)chk.NamingContainer;
    if (chk.Checked) { ((HtmlTableRow)dlItem.FindControl("ParentRow")).Attributes.Add("class", "SelectedGridItem"); }

    foreach (RepeaterItem dlitem in ParentRepeater.Items)
        {
        RadioButton rb = (RadioButton)dlitem.FindControl("chkSelect");
        if (rb != null)
            {
            if (rb != chk)
                {
                rb.Checked = false;
                ((HtmlTableRow)dlitem.FindControl("ParentRow")).Attributes["class"] = "";
                }
            }
        }
    }
    
</script>
<asp:content id="Content2" contentplaceholderid="MainContent" runat="server">
<table class="tblBody">
    <tr>
        <td>
        <h4>Demo for nested Repeaters to represent hierarchical information</h4>
        <asp:Repeater ID="ParentRepeater" Runat =server OnItemDataBound ="ParentRepeater_ItemDataBound" >
                    <HeaderTemplate >
                        <table border=0 cellpadding=0 cellspacing=0 class="DataListStyle2"">
                            <tr class="DataList1HeaderStyle">
                                <td>Company Name</td>
                                <td>Employee Name</td>
                                <td>Department</td>
                            </tr>
                        
                        
                    </HeaderTemplate>
        
                    <ItemTemplate >
                        
                            <!--- this row would have the parent Grid--->
                            <tr runat=server id="ParentRow">
                                <td colspan=3>
                                    <asp:RadioButton ID="chkSelect" title="click here to select this group"
                                    AutoPostBack=True Runat=server OnCheckedChanged ="SelectGroup"></asp:RadioButton>
                                    <asp:Label Runat=server Text='<%# DataBinder.Eval(Container.DataItem, "CompanyName")%>' ID="Label1"></asp:Label>
                                    <input type="hidden" id="PK" runat=server value='<%#  DataBinder.Eval(Container.DataItem, "ID")%>'>
                                </td>
                            </tr>
                            <!--- this row would have the child Repeater-->
                            <tr >
                                <td colspan =3>
                                    <SamplesUC:ChildRepeater id="ChildList1" Runat="server" />
                                </td>
                            </tr>
                    </ItemTemplate>
                    <FooterTemplate >
                        </table>    
                    </FooterTemplate>
        </asp:Repeater>
        </td>
    </tr>
    </table>
</asp:content>