C# HtmlControls.HtmlForm类代码示例

        protected void Boton_Excel_Dios_Click(object sender, EventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            Page page = new Page();
            HtmlForm form = new HtmlForm();
            GridView_Dios.DataSourceID = string.Empty;
            GridView_Dios.EnableViewState = false;
            GridView_Dios.AllowPaging = false;
            GridView_Dios.DataSource = LBPD.Logica_Mostrar_Precios();
            GridView_Dios.DataBind();
            page.EnableEventValidation = false;
            page.DesignerInitialize();
            page.Controls.Add(form);
            form.Controls.Add(GridView_Dios);
            page.RenderControl(htw);
            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "applicattion/vnd.ms-excel";
            Response.AddHeader("Content-Disposition", "attachment;filename=data.xls");
            Response.Charset = "UTF-8";
            Response.ContentEncoding = Encoding.Default;
            Response.Write(sb.ToString());
            Response.End();
        }

        public void PrintWebControl(Control ControlToPrint)
        {
            StringWriter stringWrite = new StringWriter();
            System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
            if (ControlToPrint is WebControl)
            {
                Unit w = new Unit(100, UnitType.Percentage);
                ((WebControl)ControlToPrint).Width = w;

            }

            Page pg = new Page();

            pg.EnableEventValidation = false;
            HtmlForm frm = new HtmlForm();
            pg.Controls.Add(frm);
            frm.Attributes.Add("runat", "server");
            frm.Controls.Add(ControlToPrint);
            pg.DesignerInitialize();
            pg.RenderControl(htmlWrite);

            string strHTML = stringWrite.ToString();
            string wstawka = Server.MapPath("~").ToString();

            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.Write(htmlToImage(strHTML, zmianaAdresu(wstawka)));

            HttpContext.Current.Response.Write("<script>window.print();</script>");
            HttpContext.Current.Response.End();

            Response.Redirect("~/ListaImprez.aspx");
        }

        public static void PrintWebControl(Control ControlToPrint, Control MyStyle)
        {
            StringWriter stringWrite = new StringWriter();
            System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
            if (ControlToPrint is WebControl)
            {
                Unit w = new Unit(100, UnitType.Percentage);
                ((WebControl)ControlToPrint).Width = w;
            }
            System.Web.UI.Page pg = new System.Web.UI.Page();
            pg.EnableEventValidation = false;
            HtmlForm frm = new HtmlForm();

            frm.Controls.Add(MyStyle);

            pg.Controls.Add(frm);
            frm.Attributes.Add("runat", "server");
            frm.Controls.Add(ControlToPrint);
            pg.DesignerInitialize();
            pg.RenderControl(htmlWrite);
            string strHTML = stringWrite.ToString();
            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.Write(strHTML);
            HttpContext.Current.Response.Write("<script>window.print();</script>");
            HttpContext.Current.Response.End();
        }

        public static string RenderControl(string path, object data)
        {
            Page pageHolder = new Page();
            pageHolder.EnableEventValidation = false;

            UserControl viewControl = (UserControl)pageHolder.LoadControl(path);
            if (data != null)
            {
                Type viewControlType = viewControl.GetType();
                FieldInfo field = viewControlType.GetField("Data");

                if (field != null)
                {
                    field.SetValue(viewControl, data);
                }
                else
                {
                    throw new Exception("View file: " + path + " does not have a public Data property");
                }
            }
            
            HtmlForm _form = new HtmlForm();
            pageHolder.Controls.Add(_form);
            _form.Controls.Add(viewControl);

            StringWriter output = new StringWriter();
            HttpContext.Current.Server.Execute(pageHolder, output, false);           
            return output.ToString();
        }

 public static void PrintWebControl(Control ctrl, string Script)
 {
     StringWriter stringWrite = new StringWriter();
     System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
     if (ctrl is WebControl)
     {
         Unit w = new Unit(100, UnitType.Percentage); ((WebControl)ctrl).Width = w;
     }
     Page pg = new Page();
     pg.EnableEventValidation = false;
     if (Script != string.Empty)
     {
         pg.ClientScript.RegisterStartupScript(pg.GetType(), "PrintJavaScript", Script);
     }
     HtmlForm frm = new HtmlForm();
     pg.Controls.Add(frm);
     frm.Attributes.Add("runat", "server");
     frm.Controls.Add(ctrl);
     pg.DesignerInitialize();
     pg.RenderControl(htmlWrite);
     string strHTML = stringWrite.ToString();
     HttpContext.Current.Response.Clear();
     HttpContext.Current.Response.Write(strHTML);
     HttpContext.Current.Response.Write("<script>window.print();</script>");
     HttpContext.Current.Response.End();
 }

        protected void imgBtnExportarExcelArchivos_Click(object sender, ImageClickEventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);
            HtmlTextWriter htw = new HtmlTextWriter(sw);
            Page page = new Page();
            HtmlForm form = new HtmlForm();

            gvJobCancelacioneXTicket.AllowPaging = false;
            gvJobCancelacioneXTicket.DataBind();
            gvJobCancelacioneXTicket.EnableViewState = false;

            page.EnableEventValidation = false;

            page.DesignerInitialize();
            page.Controls.Add(form);
            form.Controls.Add(gvJobCancelacioneXTicket);

            page.RenderControl(htw);

            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "application/vnd.ms-excel";
            Response.AddHeader("Content-Disposition", "attachment;filename=ArchivosDeProcedimiento.xls");
            Response.Charset = "UTF-8";

            //Response.Cache.SetCacheability(HttpCacheability.NoCache);
            Response.ContentEncoding = System.Text.Encoding.Default;

            Response.Write(sb.ToString());
            Response.End();
        }

        protected void imgBtnExportarExcelEjecucion_Click(object sender, ImageClickEventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);
            HtmlTextWriter htw = new HtmlTextWriter(sw);
            Page page = new Page();
            HtmlForm form = new HtmlForm();

            gvIncidenciasBatch.AllowPaging = false;
            gvIncidenciasBatch.DataBind();
            gvIncidenciasBatch.EnableViewState = false;

            page.EnableEventValidation = false;

            page.DesignerInitialize();
            page.Controls.Add(form);
            form.Controls.Add(gvIncidenciasBatch);

            page.RenderControl(htw);

            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "application/vnd.ms-excel";
            Response.AddHeader("Content-Disposition", "attachment;filename=ReporteIncidenciasBatch" + DateTime.Now.ToShortDateString() + ".xls");
            Response.Charset = "UTF-8";

            Response.ContentEncoding = System.Text.Encoding.Default;

            Response.Write(sb.ToString());
            Response.End();
        }

        public static void PrintWebControl(Control ctrl, string Script)
        {
            StringWriter stringWrite = new StringWriter();
            System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);
            if (ctrl is WebControl)
            {
                Unit w = new Unit(100, UnitType.Percentage); ((WebControl)ctrl).Width = w;
            }
            Page pg = new Page();
            pg.EnableEventValidation = false;
            pg.StyleSheetTheme = "../CSS/order.css";
            if (Script != string.Empty)
            {
                pg.ClientScript.RegisterStartupScript(pg.GetType(), "PrintJavaScript", Script);
            }

            HtmlLink link = new HtmlLink();
            link.Href = "../CSS/order.css";
            HtmlForm frm = new HtmlForm();
            pg.Controls.Add(frm);
            frm.Attributes.Add("runat", "server");
            frm.Controls.Add(ctrl);
            pg.DesignerInitialize();
            pg.RenderControl(htmlWrite);
            string strHTML = stringWrite.ToString();
            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.Write("<head runat='server'> <title>Printer - Bản in tại Support.evnit.evn.com.vn</title> <link type='text/css' rel='stylesheet' href='../CSS/order.css'><link type='text/css' rel='stylesheet' href='../CSS/style.css'></head>");
            HttpContext.Current.Response.Write(strHTML);
            HttpContext.Current.Response.Write("<script>window.print();</script>");
            HttpContext.Current.Response.End();
        }

        protected void btnexporttoexc_Click(object sender, EventArgs e)
        {
            try
            {
                string sysDates = DateTime.Now.ToString("dd/MM/yyyy");
                string FileName = sysDates;
                string strFileName = FileName + ".xls";
                btnSearch_Click(sender, e);
                //GridViewExportUtil.ExportExcell(strFileName, Grdiworkreg);

                string attachment = "attachment; filename=" + strFileName + " ";
                Response.ClearContent();
                Response.AddHeader("content-disposition", attachment);
                Response.ContentType = "application/ms-excel";

                StringWriter sw = new StringWriter();
                HtmlTextWriter htw = new HtmlTextWriter(sw);

                HtmlForm frm = new HtmlForm();
                GridView2.AllowPaging = false;

                GridView2.Parent.Controls.Add(frm);
                frm.Attributes["runat"] = "server";
                frm.Controls.Add(GridView2);
                frm.RenderControl(htw);

                Response.Write(sw.ToString());
                Response.End();
            }
            catch (Exception ex)
            {
                ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", "alert('" + ex.Message + "');", true);
            }
        }

        public static void xlsport(GridView grd, string _fnm, Page p)
        {
            grd.Visible = true;
            gridstrip(grd);    
            grd.DataBind();

            HtmlForm form = new HtmlForm();
            string attachment = "attachment; filename=" + _fnm + csclass.ranfn() + ".xls";

            HttpContext.Current.Response.ClearContent();
            HttpContext.Current.Response.AddHeader("content-disposition", attachment);
            HttpContext.Current.Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
            p.EnableViewState = false;
            HttpContext.Current.Response.Charset = string.Empty;

            System.IO.StringWriter stw = new System.IO.StringWriter();
            HtmlTextWriter htextw = new HtmlTextWriter(stw);

            form.Controls.Add(grd);
            p.Controls.Add(form);

            form.RenderControl(htextw);
            HttpContext.Current.Response.Write(stw.ToString());
            HttpContext.Current.Response.End();
        }

 protected override void OnPreInit(EventArgs e)
 {
     base.OnPreInit(e);
     foreach (Control control in Controls)
     {
         if (regForm == null)
         {
             regForm = control as HtmlForm;
             if (regForm != null) break;
         }
     }
     if (regForm == null)
     {
         throw new ArgumentException("登录页面中至少添加一个服务器端表单");
     }
     window = new Window();
     window.Title = "管理员注册";
     window.Closable = false;
     window.Icon = Icon.Key;
     window.Width = 320;
     window.Height = 185;
     formPanel = new FormPanel();
     formPanel.BodyStyle = "padding:20px;";
     formPanel.Layout = "table";
     formPanel.LayoutConfig.Add(new TableLayoutConfig()
     {
         Columns = 2
     });
     formPanel.Items.Add(new TextField()
     {
         FieldLabel = "用户名",
         AllowBlank = false,
         ColSpan = 2,
         Name = "Username"
     });
     formPanel.Items.Add(new TextField()
     {
         FieldLabel = "密码",
         AllowBlank = false,
         ColSpan = 2,
         InputType = Ext.Net.InputType.Password,
         Name = "Password"
     });
     formPanel.Items.Add(new TextField()
     {
         FieldLabel = "确认密码",
         AllowBlank = false,
         ColSpan = 1,
         InputType = Ext.Net.InputType.Password,
         Name = "Password2"
     });
     window.Items.Add(formPanel);
     regForm.Controls.Add(window);
     btnReg = new KeyAddButton();
     btnReg.Text = "注册";
     btnReg.ID = "btnReg";
     btnReg.OnClientClick = "App.direct.Reg({eventMask:{showMask:true,msg:'正在注册'}});";
     window.Buttons.Add(btnReg);
 }

        protected bool Export()
        {
            try
            {
                //Descargo el objeto tabla de la sesion con nombre "p_c" ó (Plan Operativo)
                HtmlTable objTable = (HtmlTable)Session["p_c"];

                //Instancio un objeto del tipo StringBuilder objsb
                StringBuilder objsb = new StringBuilder();

                //Instancio un objeto del tipo System.IO.StringWriter sw
                System.IO.StringWriter sw = new System.IO.StringWriter(objsb);

                //Instancio un objeto del tipo HtmlTextWriter htw
                HtmlTextWriter htw = new HtmlTextWriter(sw);

                //Instancio un objeto del tipo System.Web.UI.Page
                System.Web.UI.Page pagina = new System.Web.UI.Page();

                //Instancio un objeto del tipo HtmlForm
                var form = new HtmlForm();

                //Asigno valores a propiedades del objeto page instanciado
                pagina.EnableEventValidation = false;
                pagina.DesignerInitialize();

                //Agrego el formulario instaciado a la coleccionde paginas
                pagina.Controls.Add(form);

                //Agrego el objeto tabla a la coleccion de controles del formulario instanciado anteriormente
                form.Controls.Add(objTable);

                //Realizo el proceso de renderizacion para los elementos agregados a la pagina instanciada
                pagina.RenderControl(htw);

                //Limpio el canal de respuesta para esta peticion
                Response.Clear();

                //Habilito el buffer
                Response.Buffer = true;

                //Asigno el tipo de contenido
                Response.ContentType = "application/vnd.ms-excel";
                //Asigno el nombre del documento a exportar en el header del response
                Response.AddHeader("Content-Disposition", "attachment;filename=Plan_Operativo.xls");
                //Asigno el tipo de charset "UTF-8"
                Response.Charset = "UTF-8";
                //Establesco la configuracion por defecto para la codificacion
                Response.ContentEncoding = Encoding.Default;
                //Realizo el proceso de escritura para el objeto objsb
                Response.Write(objsb.ToString());
                //Finalizo la respuesta
                Response.End();
                return true;
            }
            catch (Exception) { return false; }
        }

 public string GetControlHtml(string controlLocation)
 {
     Page page = new Page();
     UserControl userControl = (UserControl)page.LoadControl(controlLocation);
     userControl.EnableViewState = false;
     HtmlForm form = new HtmlForm();
     form.Controls.Add(userControl);
     page.Controls.Add(form);
     StringWriter textWriter = new StringWriter();
     HttpContext.Current.Server.Execute(page, textWriter, false);
     return CleanHtml(textWriter.ToString());
 }

        protected void imgBtnExcel_Click(object sender, ImageClickEventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            Page page = new Page();
            HtmlForm form = new HtmlForm();

            gdUsuario.EnableViewState = false;

            // Deshabilitar la validación de eventos, sólo asp.net 2
            page.EnableEventValidation = false;

            // Realiza las inicializaciones de la instancia de la clase Page que requieran los diseñadores RAD.
            page.DesignerInitialize();

            page.Controls.Add(form);
            form.Controls.Add(gdUsuario);

            page.RenderControl(htw);

            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "application/vnd.ms-excel";
            Response.AddHeader("Content-Disposition", "attachment;filename=datosHotel.xls");
            Response.Charset = "UTF-8";
            Response.ContentEncoding = Encoding.Default;
            Response.Write(sb.ToString());
            Response.End();

            //Response.Clear();

            //Response.AddHeader("content-disposition", "attachment;filename=Catalogo_Productos.xls");

            //Response.Charset = "";

            //Response.ContentType = "application/vnd.xls";

            //StringWriter StringWriter = new System.IO.StringWriter();

            //HtmlTextWriter HtmlTextWriter = new HtmlTextWriter(StringWriter);

            //gvDatosAdmin.AllowPaging = false;

            //Response.Write(StringWriter.ToString());

            //Response.End();
        }

        // IXElementToControlMapper
        public bool TryGetControlFromXElement(XElement element, out Control control)
        {
            if (element.Name.Namespace != Namespaces.AspNetControls)
            {
                control = null;
                return false;
            }
            
            if (element.Name == _markerElementName)
            {
                control = _controls[element.Attribute("key").Value];
                return true;
            }

            if (element.Name == _formElementName)
            {
                control = new HtmlForm();

                element.CopyAttributes(control as HtmlForm, false);

                foreach (var child in element.Nodes())
                {
                    control.Controls.Add(child.AsAspNetControl(this));
                }

                return true;
            }

            if (element.Name == _placeholderElementName)
            {
                control = new PlaceHolder();

                XAttribute idAttribute = element.Attribute("id");
                if (idAttribute != null)
                {
                    control.ID = idAttribute.Value;
                }

                foreach (var child in element.Nodes())
                {
                    control.Controls.Add(child.AsAspNetControl(this));
                }

                return true;
            }

            throw new InvalidOperationException(string.Format("Unhandled ASP.NET tag '{0}'.", element.Name));
        }