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Editorial Team
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Asked: 2026-05-27T16:27:16+00:00

In a asp.net web site I’m using a TreeView to display data from a

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In a asp.net web site I’m using a TreeView to display data from a xml file

this is the TreeView HTML code

<asp:TreeView ID="trvPILDeepSearch" runat="server" ImageSet="Simple" BackColor="#F8F8F8" BorderWidth="5px" BorderColor="#F8F8F8" LeafNodeStyle-CssClass="leafnode" Width="600px" >
    <DataBindings>
        <asp:TreeNodeBinding DataMember="Parent" TextField="TEXT" SelectAction="None"  />
        <asp:TreeNodeBinding DataMember="Child" TextField="TEXT" SelectAction="None" />
    </DataBindings>
</asp:TreeView>

Now I want to change the text color of the Parent nodes, Is it possible to change the colour only in selected nodes

  Name1          <-- Change the color of this
    Detail1  
    Detail2
  Name2          <-- Change the color of this
    Detail2
    Detail2
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1 Answer

  1. Editorial Team

    You can add RootNodeStyle for the tree view:

    /* Styles: put this at style section or at your .css file */
.rootNodeLinkStyle a:link
{
    color: Red;
}

.rootNodeLinkStyle a:hover
{
    color: pink;
    text-decoration:underline;
}

    In .aspx: add the css class to the RootNodeStyle as below:

    <asp:TreeView ID="trvPILDeepSearch" runat="server" ImageSet="Simple" BackColor="#F8F8F8" BorderWidth="5px" BorderColor="#F8F8F8" LeafNodeStyle-CssClass="leafnode" Width="600px" >
    <DataBindings>
        <asp:TreeNodeBinding DataMember="Parent" TextField="TEXT" SelectAction="None"  />
        <asp:TreeNodeBinding DataMember="Child" TextField="TEXT" SelectAction="None" />
    </DataBindings>
    <RootNodeStyle CssClass="rootNodeLinkStyle" />
</asp:TreeView>
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