C# - Updating A XmlDataSource At Runtime?

Jul 7, 2010

I have this DropDownList bound to a XmlDataSource, but the XPath must depend on another input (another DropDownList). I modify the XPath and rebind inside the parent DDL's SelectedIndexChanged, but the page does not refresh. What should I do to display the update?

protected void ProductDropDownList_SelectedIndexChanged(object sender, EventArgs e)
CompMapping.XPath = "//couple[@product='" + ProductDropDownList.SelectedValue + "']";

ComponentDropDown is set to AutoPostBack=True, but that's not enough. Could it be related to the fact both DropDownLists are in a UserControl?

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