1 、绑定DropDownList：
ddl_language.DataSource = createDataSource();
ddl_language.DataTextField = "languageTextField";
ddl_language.DataValueField = "languageValueField";
ddl_language.DataBind();
2、上面用到的createDataSource()方法：
private ICollection createDataSource()
{
//create a data table to store the data for the ddl_langauge control
DataTable dt = new DataTable();
//define the columns of the table
dt.Columns.Add("languageTextField",typeof(string));
dt.Columns.Add("languageValueField",typeof(string));
//read the content of the xml file into a DataSet
DataSet lanDS = new DataSet();
string filePath = ConfigurationSettings.AppSettings["LanguageXmlFile"];
lanDS.ReadXml(filePath);
if(lanDS.Tables.Count > 0)
{
foreach(DataRow copyRow in lanDS.Tables[0].Rows)
{
dt.ImportRow(copyRow);
}
}
DataView dv = new DataView(dt);
return dv;
}
3、Web.config
<appSettings>
<!--The file path for the language type xml file-->
<addkey="LanguageXmlFile"value="d:\Rhombussolution\Rhombus2\Languages.xml"/>
</appSettings>
4、Languages.xml
<?xmlversion="1.0"encoding="utf-8"?>
<languageTypes>
<language>
<languageValueField>en-US</languageValueField>
<languageTextField>English</languageTextField>
</language>
<language>
<languageValueField>zh-CN</languageValueField>
<languageTextField>中文</languageTextField>
</language>
<language>
<languageValueField>ja-JP</languageValueField>
<languageTextField>日语</languageTextField>
</language>
</languageTypes>
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