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Loading Items from XML

You can easily load the buttons of a toolbar from an XML source, as long as the source conforms to the following structure:

  • The top level consists of a single node, called <ToolBar>. This node can include attributes for the RadToolBar properties:
<?xml version="1.0" encoding="utf-8" ?> 
<ToolBar Skin="Outlook">
...
</ToolBar>          
  • Below the <ToolBar> node are nodes for the buttons in the toolbar. These can be <Button>, <DropDown>, or <SplitButton> nodes, depending on the type of the button. The attributes of these nodes include the properties of the button object. For drop-down and split button types, the buttons in the drop-down list appear nested in the node:
<Button Text='Button1' Value='1' />
<DropDown Text='DropDown1'> 
    <Button Text='ChildButton1'/>
</DropDown>
<SplitButton Text='SplitButton1'>
    <Button Text='ChildButton1' />
</SplitButton>              
tip

To discover the way to represent a specific RadToolBar feature in XML, create a RadToolBar with the feature and use the RadToolBar.GetXml method to get the corresponding XML string.

Once you have an XML file of the proper format, or an XML string in the proper format, you can use it to populate a RadToolBar object.

note

You can also populate RadToolBar from an XML file using an XmlDataSource component. When using XmlDataSource , the XML file does not have to follow the format shown in this topic. For details, see Binding to ASP DataSource components.

Loading from an XML file

Create an XML file with content that complies with the rules described above and call the LoadContentFile method to load the items, passing in the path to the file:

RadToolBar1.LoadContentFile("~/App_Data/toolbar.xml");              
RadToolBar1.LoadContentFile("~/App_Data/toolbar.xml")               

Loading from an XML string

Create a string with valid XML content (or fetch it from a database, for example) and use the LoadXML method to populate the toolbar from the string:

StringBuilder sb = new StringBuilder();
sb.Append("<ToolBar>");
sb.Append(" <Button Text='Button1' />");
sb.Append(" <DropDown Text='DropDown1'>");
sb.Append("     <Button Text='ChildButton1'/>");
sb.Append(" </DropDown>");
sb.Append(" <SplitButton Text='SplitButton1'>");
sb.Append("     <Button Text='ChildButton1'/>");
sb.Append(" </SplitButton>");       
sb.Append("</ToolBar>");
string xmlString = sb.ToString();
RadToolBar1.LoadXml(xmlString);             
Dim sb As New StringBuilder()
sb.Append("<ToolBar>")
sb.Append(" <Button Text='Button1' />")
sb.Append(" <DropDown Text='DropDown1'>")
sb.Append("     <Button Text='ChildButton1'/>")
sb.Append(" </DropDown>")
sb.Append(" <SplitButton Text='SplitButton1'>")
sb.Append("     <Button Text='ChildButton1'/>")
sb.Append(" </SplitButton>")sb.Append("</ToolBar>")
Dim xmlString As String = sb.ToString()
RadToolBar1.LoadXml(xmlString)              

See Also