CRAWLABLELINKBUTTON : UPDATEPANEL ET RÉFÉRENCEMENT

<%@ Page Language="C#" MasterPageFile="~/Master/MasterPage.master" AutoEventWireup="true"
    CodeFile="temp.aspx.cs" Inherits="temp" Title="Untitled Page" %>

<script type="text/C#" runat="server">

    void Page_Load(Object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            BindData();
        }
    }

    private System.Diagnostics.Process _currentProcess;
    public System.Diagnostics.Process CurrentProcess {
        get {
            if (_currentProcess == null) {
                int pid = -1;
                if (Page.IsPostBack) {
                    if (ViewState["PID"] != null) {
                        pid = (int)ViewState["PID"];
                    }
                } else {
                    int.TryParse(Request.QueryString["PID"], out pid); 
                }
                if (pid > -1) { 
                    _currentProcess = Processes.Find(delegate(
                            System.Diagnostics.Process process){ 
                        return process.Id == pid;
                    });
                } else {
                    _currentProcess = Processes[0]; 
                }
            }
            return _currentProcess;
        }
        set {
            ViewState["PID"] = value.Id; 
            _currentProcess = value; 
        }
    }

    private static List<System.Diagnostics.Process> _processes;
    public static List<System.Diagnostics.Process> Processes
    {
        get
        {
            // Ne faites pas ça, c'est pour l'exemple mais attention 
            // c'est pas thread safe ...
            if (_processes == null)
            {
                _processes = new List<System.Diagnostics.Process>(
                        System.Diagnostics.Process.GetProcesses());
            }
            return _processes;
        }
    }

    void gvProcess_SelectedIndexChanged(object sender, EventArgs e)
    {
        // ca aussi c'est mal, c'est pour simplifier l'exemple
        CurrentProcess = Processes[gvProcess.SelectedIndex];
    }
    
    void BindData()
    {
        gvProcess.DataSource = Processes;
        gvProcess.DataBind();
    }

</script>

<asp:Content ID="Content1" ContentPlaceHolderID="CPH1" runat="Server">
    <asp:UpdatePanel runat="server" UpdateMode="Conditional" >
        <ContentTemplate>
            <%=CurrentProcess.ProcessName %>
        </ContentTemplate>
        <Triggers>
            <asp:AsyncPostBackTrigger ControlID="gvProcess" />
        </Triggers>
    </asp:UpdatePanel>
    <asp:GridView runat="server" ID="gvProcess" AutoGenerateColumns="false" 
        OnSelectedIndexChanged="gvProcess_SelectedIndexChanged">
        <Columns>
            <asp:TemplateField>
                <ItemTemplate>
                    <cs:CrawlableLinkButton runat="server" CommandName="Select" 
                        Text="Select" NavigateUrl='<%# "temp.aspx?PID=" + Eval("id").ToString() %>' />
                </ItemTemplate>
            </asp:TemplateField>
            <asp:BoundField DataField="ProcessName" />
            <asp:BoundField DataField="VirtualMemorySize" />
        </Columns>
    </asp:GridView>
</asp:Content>

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