Programming Tutorials

Show and hide checkboxes in a TreeView programmatically The TreeView is an asp.net web server control. The TreeView is located under System.Web.UI.WebControls namespace. TreeView web server control displays hierarchical data. Such as a table of contents in a tree structure. The following asp.net c# tutorial code demonstrates how we can show and hide checkboxes in a TreeView control programmatically. The asp.net c# developers can change the checkboxes visibility of a TreeView programmatically using its ShowCheckBoxes property. The TreeView ShowCheckBoxes property gets or sets a value indicating which node types will display a check box in the TreeView control. The ShowCheckBoxes property value is a TreeNodeTypes. The TreeNodeTypes represent the different node types (leaf, parent, and root) in the TreeView control. The TreeView ShowCheckBoxes property value is a bitwise combination of the TreeNodeTypes values. The default is TreeNodeType....

Change TreeView image set programmatically The TreeView is an asp.net web server control. The TreeView is located under System.Web.UI.WebControls namespace. TreeView web server control displays hierarchical data. Such as a table of contents in a tree structure. The following asp.net c# tutorial code demonstrates how we can programmatically change the TreeView image set. The asp.net c# developers can change the image set of a TreeView programmatically using its ImageSet property. The TreeView ImageSet property gets or sets the group of images to use for the TreeView control. The ImageSet property value is one of the TreeViewImageSet values. The default is TreeViewImageSet.Custom. In this asp.net tutorial, we set the TreeView ImageSet property value to TreeViewImageSet.Faq and TreeViewImageSet.Msdn on button click event. The TreeViewImageSet.Faq is a predefined set of FAQ-styled images. And the TreeViewImageSet.Msdn is a predefined set ...

Change TreeView expand depth programmatically The TreeView is an asp.net web server control. The TreeView is located under System.Web.UI.WebControls namespace. TreeView web server control displays hierarchical data. Such as a table of contents in a tree structure. The following asp.net c# tutorial code demonstrates how we can change the TreeView expand depth programmatically. The asp.net c# developers can change the expand depth of a TreeView programmatically using its ExpandDepth property. The TreeView ExpandDepth property gets or sets the number of levels that are expanded when a TreeView control is displayed for the first time. This property value is an Int32 which is the depth to display when the TreeView is initially displayed. The default is -1, which displays all the nodes. The asp.net c# developers need to use the TreeView ExpandDepth property to control the rendering of the TreeView control the first time that it is displayed. ...

HyperLink target (_blank, _parent, _search, _self, _top) HyperLink is an ASP.NET web server control that allows us to display a link to another web page. HyperLink server control provides a way to work with hyperlinks in server code. HyperLink Target property gets or sets the target window or frame in which to display the web page content linked to when the hyperlink is clicked. This property value type is a String. This property has the following possible values _blank, _parent, _search, _self, and _top. Target property value _blank renders the linked content in a new window without frames. The property value _parent renders the content in the immediate frameset parent. Target property value _search renders the content in the search pane. Not all web browsers support the _search. _self property value renders the content in the frame with focus. The _top renders the linked content in the full window without frames. The following ASP.NET...

Change HyperLink image URL programmatically The HyperLink is a control that displays a link to another Web page. The asp.net developers use the HyperLink control to create a link to another Web page. The HyperLink web server control is typically displayed as text specified by the Text property. But the asp.net c# developers can also display an image on it specified by the ImageUrl property. The following asp.net c# tutorial code demonstrates how we can change the HyperLink control’s image URL programmatically. In the below example code, we change the HyperLink control’s image URL programmatically using its ImageUrl property. The HyperLink ImageUrl property gets or sets the path to an image to display for the HyperLink control. The ImageUrl property value is a String that represents the path to the image to display for the HyperLink control. The default value of this ImageUrl property is an empty string (""). When asp.net devel...

Display a tooltip on a HyperLink The HyperLink is a control that displays a link to another Web page. The asp.net developers use the HyperLink control to create a link to another Web page. The HyperLink web server control is typically displayed as text specified by the Text property. But the asp.net c# developers can also display an image on it specified by the ImageUrl property. The following asp.net c# tutorial code demonstrates how we can show a tooltip on a Hyperlink control. In the below example code, we displayed a tooltip on the HyperLink control using its ToolTip property. The HyperLink ToolTip property gets or sets the text displayed when the mouse pointer hovers over the HyperLink web server control. The ToolTip property value is a String that represents the text displayed when the mouse pointer hovers over the Web server control. The default value of the ToolTip property is Empty. The HyperLink control’s ToolTip property is inherited ...

Change HyperLink text programmatically The HyperLink is a control that displays a link to another Web page. The asp.net developers use the HyperLink control to create a link to another Web page. The HyperLink web server control is typically displayed as text specified by the Text property. But the asp.net c# developers can also display an image on it specified by the ImageUrl property. The following asp.net c# tutorial code demonstrates how we can change the HyperLink text programmatically. Here we change the HyperLink text programmatically using its Text property. The HyperLink Text property gets or sets the text caption for the HyperLink control. The Text property value is a String that represents the text caption for the HyperLink control. The default value of the Text property is an empty string (""). In web browsers that support ToolTip functionality, the Text property also becomes the ToolTip. So finally, using the Hyp...