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ÔÚʹÓÃasp.net±àдwebserviceʱ£¬Ä¬ÈÏÇé¿öÏÂÊDz»Ö§³ÖsessionµÄ£¬µ«ÎÒÃÇ¿ÉÒÔ°ÑWebMethodµÄEnableSessionÑ¡ÏîÉèΪtrueÀ´ÏÔʽµÄ´ò¿ªËü£¬Çë¿´ÒÔÏÂÀý×Ó£º
1 н¨ÍøÕ¾WebSite 
2 н¨web·þÎñWebService.asmx£¬Ëü¾ßÓÐÒÔÏÂÁ½¸ö·½·¨£º
 C#-Code:
[WebMethod(EnableSession = true)]
public string Login(string name)
{
    Context.Session["name"] = name;
    return name;
}  
[WebMethod(EnableSession = true)]
public string GetName()
{
    if (Context.Session["name"] != null)
        return Context.Session["name"].ToString();
    else
        return "";
}
3 Ìí¼Óasp.netÒ³ÃæSessionInWebservice.aspx
 ASP.NET-Code:
<form id="form1" runat="server">
    <div>
        <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
        <asp:Button ID="btnLogin" runat="server"
            Text="Login" OnClick="btnLogin_Click" />
    </div>
    <div>
        <asp:Button ID="btnGetName" runat="server"
            Text="GetName" OnClick="btnGetName_Click" />
        <asp:Label ID="lblName" runat="server" Text="Label"></asp:Label>
    </div>
</form>
SessionInWebservice.aspx.cs
 C#-Code:
protected void btnLogin_Click(object sender, EventArgs e)
{
    WebService ws = new WebService();   
    ws.Login(txtName.Text);
}
protected void btnGetName_Click(object sender, EventArgs e)
{
    WebService ws = new WebService();
    lblName.Text = ws.GetName();
}
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using System;
using System.ComponentModel;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace ZZZ.WebControls
{
[DefaultProperty("Text"), ToolboxData("<{0}:PageNavigate runat=\"server\" />")]
public class PageNavigate : WebControl, IPostBackEventHandler
{
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