本文實(shí)例講述了asp.net實(shí)現(xiàn)XML文件讀取數(shù)據(jù)綁定到DropDownList的方法。,具體如下:
1 、綁定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>日語</languageTextField> </language></languageTypes>
PS:這里再為大家提供幾款關(guān)于xml操作的在線工具供大家參考使用:
在線XML/JSON互相轉(zhuǎn)換工具:
http://tools.Vevb.com/code/xmljson
在線格式化XML/在線壓縮XML:
http://tools.Vevb.com/code/xmlformat
XML在線壓縮/格式化工具:
http://tools.Vevb.com/code/xml_format_compress
XML代碼在線格式化美化工具:
http://tools.Vevb.com/code/xmlcodeformat
更多關(guān)于asp.net相關(guān)內(nèi)容感興趣的讀者可查看本站專題:《asp.net操作XML技巧總結(jié)》、《asp.net操作json技巧總結(jié)》、《asp.net字符串操作技巧匯總》、《asp.net文件操作技巧匯總》、《asp.net ajax技巧總結(jié)專題》及《asp.net緩存操作技巧總結(jié)》。
希望本文所述對(duì)大家asp.net程序設(shè)計(jì)有所幫助。
新聞熱點(diǎn)
疑難解答
圖片精選