ajaxLoginCtrl4StudyezCom

using System;using System.Data;using System.Configuration;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;namespace AjaxControl{    /// <summary>    ///AjaxLogin 的摘要说明    /// </summary>    public class AjaxLogin:CompositeControl    {       private AjaxLoginContainer _templateContainer;        private ITemplate _loginTemplate;        [PersistenceMode(PersistenceMode.InnerProperty ),TemplateContainer(typeof(AjaxLogin ))]        public ITemplate LayoutTemplate        {            get            {                return this._loginTemplate;            }            set            {                this._loginTemplate =value;                base.ChildControlsCreated = false;            }        }        public AjaxLogin()        {            //            //TODO: 在此处添加构造函数逻辑            //        }        protected override HtmlTextWriterTag TagKey        {            get            {                return HtmlTextWriterTag.Div;            }        }        protected override void OnLoad(EventArgs e)        {            base.OnLoad(e);            if (!Page.ClientScript.IsClientScriptBlockRegistered(Page.GetType(), "js4ajaxLoginControl"))            {                Page.ClientScript.RegisterClientScriptBlock(Page.GetType(), "js4ajaxLoginControl", "<script language=/"javascript/" type=/"text/javascript/" src=/"ajaxLogin.js/" ></script>", false);            }        }        protected override void CreateChildControls()        {            this.Controls.Clear();            this._templateContainer = new AjaxLoginContainer(this);            ITemplate layoutTemplate = this.LayoutTemplate;            if (layoutTemplate == null)            {                this._templateContainer.EnableViewState = false;                this._templateContainer.EnableTheming = false;                layoutTemplate = new AjaxLoginTemplate(this);            }            layoutTemplate.InstantiateIn(this._templateContainer);            this.Controls.Add(this._templateContainer);                 }        protected override void Render(HtmlTextWriter writer)        {            base.Render(writer);                     if (!Page.ClientScript.IsStartupScriptRegistered(this.GetType(), this.UniqueID))            {                Control uLv = this.FindControl("LoginView");                Control uLs = this.FindControl("LoginStatus");                Control uName = this.FindControl("UserName");                Control uPwd = this.FindControl("Password");                Control uLi = this.FindControl("LoginIn");                Control uLo = this.FindControl("LoginOut");                Control uCs = this.FindControl("CurrentUser");                Control uRm = this.FindControl("RememberMe");                string uRmId = "";                if (uRm == null)                {                    uRmId = "";                }                else                {                    uRmId = uRm.ClientID;                }                AjaxLoginContainer ajc = this._templateContainer;                System.Text.StringBuilder sb = new System.Text.StringBuilder();                sb.AppendLine("<script language=/"javascript/" type=/"text/javascript/">");                sb.AppendFormat("var jx_{0}=new ajaxLogin(/"{0}/",/"{1}/",/"{2}/",/"{3}/",/"{4}/",/"{5}/",/"{6}/",/"{7}/",/"{8}/");",                                     this.ClientID, uLv.ClientID, uName.ClientID, uPwd.ClientID, uLi.ClientID,                                     uLs.ClientID, uCs.ClientID, uLo.ClientID,uRmId);                sb.AppendFormat("jx_{0}.isOnline(jx_{0}.onCheckUserCompleted,jx_{0}.onHttpStatusError);", this.ClientID);                sb.AppendFormat("</script>");                Page.ClientScript.RegisterStartupScript(this.GetType(), this.UniqueID, sb.ToString(), false);            }        }        private sealed class AjaxLoginTemplate : ITemplate        {            private AjaxLogin _owner;            public AjaxLoginTemplate(AjaxLogin owner)            {                this._owner = owner;            }            #region ITemplate 成员            public void InstantiateIn(Control container)            {                          }            #endregion            private void CreateControls(AjaxLoginContainer loginContainer)            {                TextBox tb = new TextBox();                tb.ID = "UserName";                tb.TextMode = TextBoxMode.SingleLine;                loginContainer.UserName = tb;                TextBox pwd = new TextBox();                pwd.ID = "Password";                pwd.TextMode = TextBoxMode.Password;                loginContainer.Password = pwd;                Button lgIn = new Button();                lgIn.ID = "LoginIn";                lgIn.Text = "登录";                lgIn.UseSubmitBehavior = false;                loginContainer.LoginInButton = lgIn;                CheckBox cb = new CheckBox();                cb.ID = "RememberMe";                cb.Text = "RememberMe";                loginContainer.RememberMe = cb;                Label lgN = new Label();                lgN.ID = "CurrentUser";                lgN.Text = "";                loginContainer.CurrentUser = lgN;                Button lgOut = new Button();                lgOut.ID = "LoginOut";                lgOut.Text = "注销";                lgOut.UseSubmitBehavior = false;                loginContainer.LoginOutButton = lgOut;                Panel lgView = new Panel();                lgView.ID = "LoginView";                loginContainer.LoginView = lgView;                Panel lgStatus = new Panel();                lgStatus.ID = "LoginStatus";                loginContainer.LoginStatus = lgStatus;            }        }        internal sealed class AjaxLoginContainer : WebControl        {            public TextBox UserName;            public TextBox Password;            public CheckBox RememberMe;            public Button LoginInButton;            public Label CurrentUser;            public Button LoginOutButton;            public Panel LoginView;            public Panel LoginStatus;            private AjaxLogin _owner;            public AjaxLoginContainer(AjaxLogin owner)            {                _owner = owner;            }            public override void RenderBeginTag(HtmlTextWriter writer)            {            }            public override void RenderEndTag(HtmlTextWriter writer)            {            }                    }    }   }-----------------------Usage-------------------- <jx:AjaxLogin ID="lgView" runat="server">        <LayoutTemplate>          <asp:Panel ID="LoginView" runat="server">            用户名:<asp:TextBox ID="UserName" runat="server"></asp:TextBox>密码:<asp:TextBox ID="Password" TextMode="Password" runat="server" ></asp:TextBox>             <asp:Button ID="LoginIn"  Text="LoginIn" runat="server"/>         </asp:Panel>         <asp:Panel ID="LoginStatus" runat="server">            <asp:Label ID="CurrentUser" runat="server" ></asp:Label><asp:Button ID="LoginOut" Text="LoginOut" runat="server" />        </asp:Panel>        </LayoutTemplate>       </jx:AjaxLogin>