| This section lists the details for each HTML server control in the Web forms framework. Recall that any HTML element can be turned into an HTML server control simply by adding the runat="server" attribute. All the predefined HTML server controls are documented here, and those that aren't predefined all inherit the same common properties, shown in the next section. Common HTML Server Control Properties Table C.4 lists the properties shared by all HTML server controls inherited from the System.Web.UI.HtmlControls.HtmlControl class. Table C.4. Shared HTML Server Control Properties | Property | Description | | Attributes | Retrieves all attribute name and value pairs. | | Disabled | Specifies whether a control is read-only in the Web page. | | Style | Retrieves all cascading style sheet (CSS) properties. | | TagName | Retrieves the name of the control. | Table C.5 lists the properties shared by all HTML server input controls (such as HtmlInputText, HtmlInputCheckBox, and so on) inherited from the System.Web.UI. HtmlControls.HtmlInputControl class. Table C.5. Shared HTML Server Input Control Properties | Property | Description | | Name | Specifies a unique name for the control. | | Type | Retrieves the type of the control. | | Value | Specifies the contents of a control. | Table C.6 lists the properties shared by all HTML server container controls (such as HtmlTable, HtmlForm, and so on) inherited from the System.Web.UI. HtmlControls.HtmlContainerControl class. Table C.6. Shared HTML Server Control Container Properties | Property | Description | | InnerHtml | Specifies the content between the opening and closing tags of the control. | | InnerText | Same as InnerHtml, but provides HTML encoding and decoding. | The HTML Server Controls This section lists all properties and methods for the predefined HTML server controls. Note that additional properties are inherited from other objects (refer to previous two sections). HtmlAnchor This control represents an anchor or link in a Web page. Table C.7 lists the properties and events of the HtmlAnchor server control. The syntax is <a href="..." ... runat="server">...</a> Table C.7. Properties and Events of the HtmlAnchor Control | Property | Description | | Href | Specifies the URL target. | | Name | Specifies the bookmark name for the control. | | Target | Specifies the target window to load the URL. | | Title | Specifies the title displayed by the browser for a Web page. | | Event | Description | | ServerClick | Occurs when the user clicks the control. | HtmlButton Represents a button (available only on browsers that support HTML 4.0). Table C.8 lists the property and event of the HtmlButton server control. The syntax is <button ... runat="server"> Table C.8. Property and Event of the HtmlButton Control | Property | Description | | CausesValidation | Indicates if the HtmlButton should perform validation when clicked. | | Event | Description | | ServerClick | Occurs when the user clicks the control. | HtmlForm Represents an HTML form. Table C.9 lists the properties of the HtmlForm server control. The syntax is <form ... runat="server"> Table C.9. Properties of the HtmlForm Control | Property | Description | | Action | Specifies the URL of the page that handles and processes the form's submission. | | EncType | The encoding used by browsers to post the form's data, such as "text/plain" or "image/jpeg". | | Method | Specifies how the form posts data to the server, such as "Get" or "Post". | | Name | Specifies the identity of the form. | | Target | Specifies the target window to load the URL. | HtmlImage Represents an image in a Web page. Table C.10 lists the properties of the HtmlImage server control. The syntax is <img ... runat="server"> Table C.10. Properties of the HtmlImage Control | Property | Description | | Align | The alignment of the image with respect to other items on the page. | | Alt | The alternative text caption for the image. | | Border | The width of the frame containing the image. | | Height | The height of the image. | | Src | The source of the image file. | | Width | The width of the image. | HtmlInputButton Represents an input button control in an HTML form. Table C.11 lists the events of the HtmlInputButton server control. The syntax is <input type="button" ... runat="server"> Table C.11. Events of the HtmlInputButton Control | Property | Description | | ServerClick | Occurs when the user clicks the control. | HtmlInputCheckBox Represents a check box. Table C.12 lists the properties and events of the HtmlInputCheckBox server control. The syntax is <input type="checkbox" ... runat="server"> Table C.12. Properties and Events of the HtmlInputCheckBox Control | Property | Description | | Checked | Indicates whether the control is checked. | | Event | Description | | ServerChange | Occurs when the form is posted and the state of the control is different from the previous post. | HtmlInputControl Represents a generic input control used with HTML forms. Table C.13 lists the properties of the HtmlInputControl server control. The syntax is <input ... runat="server"> Table C.13. Properties of the HtmlInputControl Control | Property | Description | | Name | The unique name for the control. | | Type | Retrieves the type of the control. Value could be "text", "password", "checkbox", "radio", "button", "submit", "reset", "file", "hidden", or "image". This property is read-only. | | Value | The contents of the control. | HtmlInputFile Represents a form element that allows users to upload files to the server. Table C.14 lists the properties of the HtmlInputFile server control. The syntax is <input type="file" ... runat="server"> Table C.14. Properties of the HtmlInputFile Control | Property | Description | | Accept | Specifies a list of MIME types of files to accept. | | MaxLength | The maximum length of file to accept. | | PostedFile | Gets access to the posted file. Returns an HttpPostedFile object. | | Size | The width of the text box in which the file path is entered. | HtmlInputHidden Represents a hidden form field. Table C.15 lists the events of the HtmlInputHidden server control. The syntax is <input type="hidden" ... runat="server"> Table C.15. Events of the HtmlInputHidden Control | Event | Description | | ServerChange | Occurs when the posted content is different than the previous post. | HtmlInputImage Represents an input button using an image instead of a push-style button. Table C.16 lists the properties and events of the HtmlInputImage server control. The syntax is <input type="image" ... runat="server"> Table C.16. Properties and Events of the HtmlInputImage Control | Property | Description | | Align | The alignment of the image with respect to other elements on the page. | | Alt | The alternative text displayed for the image. | | Border | The width of the frame containing the image. | | Src | The location of the image file. | | Event | Description | | ServerClick | Occurs when the user clicks the control. | HtmlInputRadio Represents a radio form element. Table C.17 lists the properties of the HtmlInputRadio server control. The syntax is <input type="radio" ... runat="server"> Table C.17. Properties of the HtmlInputRadio Control | Property | Description | | Checked | Indicates whether the control is selected. | HtmlInputText Represents a text box form element. Table C.18 lists the properties of the HtmlInputText server control. The syntax is <input type="text" ... runat="server"> Table C.18. Properties of the HtmlInputText Control | Property | Description | | MaxLength | The maximum number of characters that can be entered into this element. | | Size | The visible width of the element in characters. | | Value | The content of the control. | HtmlSelect Represents a drop-down box of selectable items. Table C.19 lists the properties and events of the HtmlSelect server control. The syntax is <select ... runat="server"> Table C.19. Properties and Events of the HtmlSelect Control | Property | Description | | DataMember | The name of a data table or view to use (used when the DataSource property is assigned a DataSet). | | DataSource | The data source to populate this control with. | | DataTextField | A field in the data source that is displayed in the drop-down box. | | DataValueField | A field in the data source that specifies the value for each selectable item. | | InnerHtml | The HTML code contained within the opening and closing tags of this control. | | InnerText | The text-only portion of the content contained within the opening and closing tags of this control. | | Items | Gets the list of items in the select box. Returns a ListItemCollection object. | | Multiple | Specifies whether multiple values can be selected at once (using the Shift key or Control key). | | SelectedIndex | The index number of the currently selected item in the list. If multiple items are selected, this value represents the first item. | | Size | The number of list items to display at once. | | Value | The value of the currently selected item. | | Event | Description | | ServerChange | Occurs when the posted selected item is different than in the previous post. | HtmlTable, HtmlTableCell, and HtmlTableRow These controls represent a table and its cells and rows. Table C.20 lists the properties common to all these server controls. Table C.20. Properties Shared by the HtmlTable, HtmlTableCell, and HtmlTableRow Controls | Property | Description | | Align | The alignment of the control as opposed to other elements on the page. | | BGColor | The background color of the control. | | BorderColor | The color of the border around the control. | | Height | The height of the control. | Table C.21 lists the properties of the HtmlTable server control. The syntax is <table ... runat="server"> Table C.21. Properties of the HtmlTable Control | Property | Description | | Border | The width of the border around the table and in between cells. | | CellPadding | The padding within cells. | | CellSpacing | The spacing between cells. | | InnerHtml | The HTML code contained within the opening and closing tags of this control. | | InnerText | The text-only portion of the content contained within the opening and closing tags of this control. | | Rows | Returns an HtmlRowCollection object representing all rows in the table. | Table C.22 lists the properties of the HtmlTableCell server control. The syntax is <td ... runat="server"> Table C.22. Properties of the HtmlTableCell Control | Property | Description | | ColSpan | The number of columns this cell spans. | | NoWrap | Indicates whether the text within this cell should be allowed to wrap. | | RowSpan | The number of rows this cell spans. | | VAlign | The vertical alignment of text within this cell. | | Width | The width of the table cell. | Table C.23 lists the properties of the HtmlTableRow server control. The syntax is <tr ... runat="server"> Table C.23. Properties of the HtmlTableRow Control | Property | Description | | Cells | Returns an HtmlTableCellCollection representing the cells contained in this row. | | InnerHtml | The HTML code contained within the opening and closing tags of this control. | | InnerText | The text-only portion of the content contained within the opening and closing tags of this control. | | VAlign | The vertical alignment of the cells within this row. | HtmlTextArea This control represents an HTML textarea element. Table C.24 lists the properties and events of the HtmlTextArea server control. The syntax is <textarea ... runat="server"> Table C.24. Properties and Events of the HtmlTextArea Control | Property | Description | | Cols | The number of columns (in characters) of this element. | | Name | Specifies the unique name for the control. | | Rows | The number of visible rows. | | Value | The content contained within this control. | | Event | Description | | ServerChange | Occurs when the content of this control has changed from one post to another. | | 
