C# WebControls.WebControl类代码示例

 public static void SetUpEmployeesView(WebControl control, string title)
 {
     ASPxNavBar navBar = (ASPxNavBar)control;
     NavBarGroup employeesGroup = navBar.Groups.First();
     employeesGroup.Items.Clear();
     employeesGroup.Text = title;
 }

 public AutoFillExtender(AutoFillExtenderXml xml, WebControl target)
 {
     _targetControl = target;
     _type = xml.Type;
     _filterId = xml.FilterId;
     this.Name = xml.Name;
 }

        private static void StyleControl(WebControl control)
        {
            if (control == null || control is TableCell || control is LinkButton) return;

            if (control is Label) control.CssClass.Toggle("ErrorLabel", "{0} {1}");
            else control.CssClass.Toggle("ErrorItem", "{0} {1}");
        }

 public sealed override void AddAttributesToRender(HtmlTextWriter writer, WebControl owner)
 {
     string cssClass = string.Empty;
     bool flag = true;
     if (this._owner.IsSet(2))
     {
         cssClass = this._owner.CssClass;
     }
     if (base.RegisteredCssClass.Length != 0)
     {
         flag = false;
         if (cssClass.Length != 0)
         {
             cssClass = cssClass + " " + base.RegisteredCssClass;
         }
         else
         {
             cssClass = base.RegisteredCssClass;
         }
     }
     if (cssClass.Length > 0)
     {
         writer.AddAttribute(HtmlTextWriterAttribute.Class, cssClass);
     }
     if (flag)
     {
         base.GetStyleAttributes(owner).Render(writer);
     }
 }

        public static WebControl makeCell(Directory directory)
        {
            WebControl td = new WebControl(HtmlTextWriterTag.Td);
            //td.BorderWidth = Unit.Pixel(1);
            td.Style.Add(HtmlTextWriterStyle.Padding, "1em");
            td.Style.Add(HtmlTextWriterStyle.VerticalAlign, "top");
            td.CssClass += "vcard";

            Panel textPanel = new Panel();
            textPanel.Style.Add("float", "left");
            Panel namePanel = new Panel();
            namePanel.CssClass += "n ";
            namePanel.CssClass += "fn ";
            namePanel.Controls.Add(makeLastName(directory));
            namePanel.Controls.Add(makeFirstNames(directory));
            textPanel.Controls.Add(namePanel);
            textPanel.Controls.Add(makeAddress(directory));
            textPanel.Controls.Add(makeGeneralEmails(directory));
            textPanel.Controls.Add(makePersonEmails(directory));
            textPanel.Controls.Add(makeGeneralPhones(directory));
            textPanel.Controls.Add(makePersonPhones(directory));
            td.Controls.Add(textPanel);
            if (directory.photo != null && directory.photo.Id != null && directory.photo.PicasaEntry != null)
            {
                Panel picturePanel = new Panel();
                picturePanel.Style.Add("float", "right");
                picturePanel.Controls.Add(makeGeneralPhoto(directory));
                td.Controls.Add(picturePanel);
            }

            return td;
        }

 public override void AddAttributesToRender(HtmlTextWriter writer, WebControl owner)
 {
     base.AddAttributesToRender(writer, owner);
     if (!this.Wrap)
     {
         if (this.IsControlEnableLegacyRendering(owner))
         {
             writer.AddAttribute(HtmlTextWriterAttribute.Nowrap, "nowrap");
         }
         else
         {
             writer.AddStyleAttribute(HtmlTextWriterStyle.WhiteSpace, "nowrap");
         }
     }
     System.Web.UI.WebControls.HorizontalAlign horizontalAlign = this.HorizontalAlign;
     if (horizontalAlign != System.Web.UI.WebControls.HorizontalAlign.NotSet)
     {
         TypeConverter converter = TypeDescriptor.GetConverter(typeof(System.Web.UI.WebControls.HorizontalAlign));
         writer.AddAttribute(HtmlTextWriterAttribute.Align, converter.ConvertToString(horizontalAlign).ToLower(CultureInfo.InvariantCulture));
     }
     System.Web.UI.WebControls.VerticalAlign verticalAlign = this.VerticalAlign;
     if (verticalAlign != System.Web.UI.WebControls.VerticalAlign.NotSet)
     {
         TypeConverter converter2 = TypeDescriptor.GetConverter(typeof(System.Web.UI.WebControls.VerticalAlign));
         writer.AddAttribute(HtmlTextWriterAttribute.Valign, converter2.ConvertToString(verticalAlign).ToLower(CultureInfo.InvariantCulture));
     }
 }

        public static void addStyleSheet(string css, string key, Page currentPage, WebControl control)
        {
            ControlCollection ctrls = currentPage.Controls;
            if (currentPage.Master != null)
                ctrls = currentPage.Master.Controls;

            foreach (Control ctrl in ctrls)
            {
                if (ctrl.GetType().Name == "HtmlHead")
                {
                    ctrls = ctrl.Controls;
                    break;
                }
            }

            if (key != null)
            {
                foreach (Control ctrl in ctrls)
                {
                    if (ctrl.ID == key)
                        return;
                }
            }

            string url = currentPage.ClientScript.GetWebResourceUrl(control.GetType(), "ESWCtrls.ResEmbed.Styles." + css);
            HtmlLink link = new HtmlLink();
            link.Attributes.Add("type", "text/css");
            link.Attributes.Add("rel", "stylesheet");
            link.Attributes.Add("media", "screen");
            link.Href = url;
            link.ID = key;

            ctrls.Add(new LiteralControl("\n"));
            ctrls.Add(link);
        }

		bool TryEnable(WebControl c, bool enabled)
		{
			if (c == null || c is Button)
				return false;
			c.Enabled = enabled;
			return true;
		}

 /// <summary>
 /// 設置Selector
 /// </summary>
 /// <param name="ctrlTrigger">控件ID--按鈕</param>
 /// <param name="ctrlCode">控件ID--文本框1</param>
 /// <param name="ctrlName">控件ID--文本框2</param>
 public void SetSelector(WebControl ctrlTrigger, Control ctrlCode, Control ctrlName)
 {
     if (ctrlCode is TextBox) { (ctrlCode as TextBox).Attributes.Add("readonly", "readonly"); }
     if (ctrlName is TextBox) { (ctrlName as TextBox).Attributes.Add("readonly", "readonly"); }
     ctrlTrigger.Attributes.Add("onclick", string.Format("return setSelector('{0}','{1}','{2}')",
         ctrlCode.ClientID, ctrlName.ClientID, Request.QueryString["modulecode"]));
 }

		// What is baseControl for ?
		public void RenderRepeater (HtmlTextWriter w, IRepeatInfoUser user, Style controlStyle, WebControl baseControl)
		{
			PrintValues (user);
			RepeatLayout layout = RepeatLayout;
			bool listLayout = layout == RepeatLayout.OrderedList || layout == RepeatLayout.UnorderedList;

			if (listLayout) {
				if (user != null) {
					if ((user.HasHeader || user.HasFooter || user.HasSeparators))
						throw new InvalidOperationException ("The UnorderedList and OrderedList layouts do not support headers, footers or separators.");
				}

				if (OuterTableImplied)
					throw new InvalidOperationException ("The UnorderedList and OrderedList layouts do not support implied outer tables.");

				int cols = RepeatColumns;
				if (cols > 1)
					throw new InvalidOperationException ("The UnorderedList and OrderedList layouts do not support multi-column layouts.");
			}
			if (RepeatDirection == RepeatDirection.Vertical) {
				if (listLayout)
					RenderList (w, user, controlStyle, baseControl);
				else
					RenderVert (w, user, controlStyle, baseControl);
			} else {
				if (listLayout)
						throw new InvalidOperationException ("The UnorderedList and OrderedList layouts only support vertical layout.");
				RenderHoriz (w, user, controlStyle, baseControl);
			}
		}

        //protected static string ReadCss()
        //{
        //    string res;
        //    string fileName = string.Format("table.css");
        //    string path = Path.Combine(HttpRuntime.AppDomainAppPath, @"App_Themes\Default\" + fileName);
        //    using (StreamReader s = new StreamReader(path))
        //    {
        //        res = s.ReadToEnd();
        //    }
        //    return res;
        //}
        public static bool Save(WebControl grid, string path)
        {
            try
            {
                using (StreamWriter s = new StreamWriter(path, false, Encoding.Unicode))
                {
                    Page page = new Page();
                    page.EnableViewState = false;
                    HtmlForm frm = new HtmlForm();
                    frm.Attributes["runat"] = "server";
                    page.Controls.Add(frm);
                    frm.Controls.Add(grid);
                    StringWriter stringWrite = new StringWriter();
                    HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
                    frm.RenderControl(htmlWrite);

                    string start = @"<style>.text { mso-number-format:\@; }</style>";
                    s.Write(start);
                    s.Write(stringWrite.ToString());
                }
                return true;
            }
            catch
            {
                throw;
            }
        }

 /// <summary>
 /// 設置Selector
 /// </summary>
 /// <param name="ctrlTrigger">控件ID--按鈕</param>
 /// <param name="ctrlCode">控件ID--文本框1</param>
 /// <param name="ctrlName">控件ID--文本框2</param>
 /// <param name="flag">Selector區分標誌</param>
 public void SetSelector(WebControl ctrlTrigger, Control ctrlCode, Control ctrlName, string flag, string moduleCode)
 {
     if (ctrlCode is TextBox) { (ctrlCode as TextBox).Attributes.Add("readonly", "readonly"); }
     if (ctrlName is TextBox) { (ctrlName as TextBox).Attributes.Add("readonly", "readonly"); }
     ctrlTrigger.Attributes.Add("onclick", string.Format("return setSelector('{0}','{1}','{2}','{3}')",
         ctrlCode.ClientID, ctrlName.ClientID, flag, moduleCode));
 }

        /// <summary>
        /// Appends a CSS class to a control.
        /// </summary>
        /// <param name="control">The control.</param>
        /// <param name="newClass">The new class.</param>
        public static void AppendCssClass(WebControl control, string newClass)
        {
            if (control == null)
                throw new ArgumentNullException("control", "Cannot add a css class to a null control");

            if (newClass == null)
                throw new ArgumentNullException("newClass", "Cannot add a null css class to a control");

            string existingClasses = control.CssClass;
            if (String.IsNullOrEmpty(existingClasses))
            {
                control.CssClass = newClass;
                return;
            }

            string[] classes = existingClasses.Split(' ');
            foreach (string attributeValue in classes)
            {
                if (String.Equals(attributeValue, newClass, StringComparison.Ordinal))
                {
                    //value's already in there.
                    return;
                }
            }
            control.CssClass += " " + newClass;
        }

        private static WebControl BuildContentsControl(BlogEntry entry)
        {
            Panel contentsControl = new Panel();
            WebControl textControl = new WebControl(HtmlTextWriterTag.P);
            textControl.Controls.Add(new LiteralControl(entry.Content));
            contentsControl.Controls.Add(textControl);

            if (entry.Enclosure != null && entry.Enclosure.Uri != null)
            {
                HtmlGenericControl audio = new HtmlGenericControl("audio");
                audio.Attributes.Add("controls", "controls");
                audio.Attributes.Add("src", entry.Enclosure.Uri);
                audio.Attributes.Add("type", "audio/mp3");

                WebControl musicPlayer = new WebControl(HtmlTextWriterTag.Embed);
                musicPlayer.ID = "musicPlayer_" + entry.id;
                musicPlayer.Style.Add(HtmlTextWriterStyle.Width, "400px");
                musicPlayer.Style.Add(HtmlTextWriterStyle.Height, "27px");
                musicPlayer.Style.Add("border", "1px solid rgb(170, 170, 170)");
                musicPlayer.Attributes.Add("src", "http://www.google.com/reader/ui/3523697345-audio-player.swf");
                musicPlayer.Attributes.Add("flashvars", "audioUrl=" + entry.Enclosure.Uri);
                musicPlayer.Attributes.Add("pluginspage", "http://www.macromedia.com/go/getflashplayer");

                audio.Controls.Add(musicPlayer);

                contentsControl.Controls.Add(audio);
            }

            return contentsControl;
        }

        public sealed override void AddAttributesToRender(HtmlTextWriter writer, WebControl owner) {
            string cssClass = String.Empty;
            bool renderInlineStyle = true;

            if (_owner.IsSet(PROP_CSSCLASS)) {
                cssClass = _owner.CssClass;
            }
            if (RegisteredCssClass.Length != 0) {
                renderInlineStyle = false;
                if (cssClass.Length != 0) {
                    cssClass = cssClass + " " + RegisteredCssClass;
                }
                else {
                    cssClass = RegisteredCssClass;
                }
            }

            if (cssClass.Length > 0) {
                writer.AddAttribute(HtmlTextWriterAttribute.Class, cssClass);
            }

            if (renderInlineStyle) {
                CssStyleCollection styleAttributes = GetStyleAttributes(owner);
                styleAttributes.Render(writer);
            }
        }