TreeNode.ToolTip Property

 
System_CAPS_noteNote

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Gets or sets the ToolTip text for the node.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public string ToolTip { get; set; }

Property Value

Type: System.String

The ToolTip text for the node. The default is an empty string ("").

Use the ToolTip property to specify the ToolTip text for the node. The ToolTip text is displayed when the mouse pointer is positioned over the node.

The value of this property, when set, can be saved automatically to a resource file by using a designer tool. For more information, see LocalizableAttribute and ASP.NET Globalization and Localization.

The following code example demonstrates how to use the ToolTip property to provide ToolTips for the nodes in the TreeView control.


<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>TreeNode ToolTip Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>TreeNode ToolTip Example</h3>

      <h5>Position the mouse pointer over a node.</h5>

      <asp:TreeView id="LinksTreeView"
        Font-Names= "Arial"
        ForeColor="Blue"
        ExpandDepth="2"
        runat="server">

        <LevelStyles>

          <asp:TreeNodeStyle ChildNodesPadding="10" 
            Font-Bold="true" 
            Font-Size="12pt" 
            ForeColor="DarkGreen"/>
          <asp:TreeNodeStyle ChildNodesPadding="5" 
            Font-Bold="true" 
            Font-Size="10pt"/>
          <asp:TreeNodeStyle ChildNodesPadding="5" 
            Font-UnderLine="true" 
            Font-Size="10pt"/>
          <asp:TreeNodeStyle ChildNodesPadding="10" 
            Font-Size="8pt"/>

        </LevelStyles>

        <Nodes>

          <asp:TreeNode Text="Table of Contents"
            ToolTip="Table of Contents Description">

            <asp:TreeNode Text="Chapter One"
               ToolTip="Chapter One Description">

              <asp:TreeNode Text="Section 1.0"
                ToolTip="Section 1.0 Description">

                <asp:TreeNode Text="Topic 1.0.1"/>
                <asp:TreeNode Text="Topic 1.0.2"/>
                <asp:TreeNode Text="Topic 1.0.3"/>

              </asp:TreeNode>

              <asp:TreeNode Text="Section 1.1"
                ToolTip="Section 1.1 Description">

                <asp:TreeNode Text="Topic 1.1.1"/>
                <asp:TreeNode Text="Topic 1.1.2"/>
                <asp:TreeNode Text="Topic 1.1.3"/>
                <asp:TreeNode Text="Topic 1.1.4"/>

              </asp:TreeNode>

            </asp:TreeNode>

            <asp:TreeNode Text="Chapter Two"
              ToolTip="Chapter Two Description">

              <asp:TreeNode Text="Section 2.0"
                ToolTip="Section 2.0 Description">

                <asp:TreeNode Text="Topic 2.0.1"/>
                <asp:TreeNode Text="Topic 2.0.2"/>

              </asp:TreeNode>

            </asp:TreeNode>

          </asp:TreeNode>

          <asp:TreeNode Text="Appendix A" 
            ToolTip="Appendix A Description"/>
          <asp:TreeNode Text="Appendix B" 
            ToolTip="Appendix B Description"/>
          <asp:TreeNode Text="Appendix C" 
            ToolTip="Appendix C Description"/>

        </Nodes>

      </asp:TreeView>

    </form>
  </body>
</html>

.NET Framework
Available since 2.0
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