我正在尝试生成一个列表(字符串)以用作下拉列表的数据源。我已经这样做了很多次,但是这个版本并没有像往常那样将这些项目分开。
这是一个xml示例
<fueltypes>
<fuel>
<type>Marine Diesel NY Harbor</type>
<dbheader>NYMarineDiesel</dbheader>
</fuel>
<fuel>
<type>ULSD NY Harbor</type>
<dbheader>NYULSD</dbheader>
</fuel>
</fueltypes>
这是功能
Public Shared Function GetFuelTypes(ddlControl As Control) As List(Of String)
Dim doc As New XmlDocument()
'Load XML from the file into XmlDocument object
doc.Load("H:\OtherDataFiles\dataXML.xml") 'this needs to be changed to the server path
Dim root As XmlNode = doc.DocumentElement
'Select all nodes with the tag paramter indicated by the nodestring variable
Dim nodeList As XmlNodeList = root.SelectNodes("fueltypes")
Return (From node As XmlNode In nodeList Select node.InnerText).ToList()
End Function
他们被绑定到下拉列表,如下所示
'load the fuel types into the dropdownlist
ddlFuelTypes.DataSource = GetFuelTypes()
ddlFuelTypes.DataBind()
ddlFuelTypes.SelectedIndex = 1
下拉菜单在一行中显示所有项目