本文实例讲述了asp.net使用DataSet的ReadXml读取XML文件及Stream流的方法。分享给大家供大家参考，具体如下：
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string strxml = "<xml><m><a>1</a><b>2</b></m><m><a>11</a><b>22</b></m><m><a>111</a><b>222</b></m></xml>";
DataSet ds = new DataSet();
Stream stream = new MemoryStream(Encoding.Default.GetBytes(strxml));
ds.ReadXml(stream);
GridView1.DataSource = ds;
GridView1.DataBind();
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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataSet ds = new DataSet();
TextReader reader = new StringReader(@"
<music>
<song>
<artist>The Chi-lites</artist>
<genre>Soul</genre>
<album>A lonely man</album>
<year>1972</year>
</song>
<song>
<artist>Babyface</artist>
<genre>R&B</genre>
<album>unknown</album>
<year></year>
</song>
<song>
<artist>Babyface</artist>
<genre>R&B</genre>
<album>The essential babyface</album>
<year>2001</year>
</song>
<song>
<artist>Babyface</artist>
<genre>R&B</genre>
<album>Grown and sexy</album>
<year>2005</year>
</song>
<song>
<artist>Maria Arredondo</artist>
<genre>Pop</genre>
<album>Not going under</album>
<year>2004</year>
</song>
<song>
<artist>Leona Lewis</artist>
<genre>Pop</genre>
<album>Unknown</album>
<year>2008</year>
</song>
<song>
<artist>Usher</artist>
<genre>R&B</genre>
<album>Usher</album>
<year>2008</year>
</song>
<song>
<artist>Christina Aguilera</artist>
<genre>Blues</genre>
<album>Back to basics</album>
<year>2004</year>
</song>
<song>
<artist>Sting</artist>
<genre>Pop</genre>
<album>Shape of my heart</album>
<year></year>
</song>
</music>
");
//读取Xml字符串 用来接收WebService返回数据
ds.ReadXml(reader, XmlReadMode.Auto);
//生成Xml文件
//ds.WriteXml(Server.MapPath("xml/song_bak.xml"));
GridView1.DataSource = ds;
GridView1.DataBind();
}
}
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#region 接口返回的Xml转换成DataSet
/// <summary>
/// 返回的Xml转换成DataSet
/// </summary>
/// <param name="text">Xml字符</param>
/// <returns></returns>
private DataSet GetDataSet(string text)
{
try
{
XmlTextReader reader = new XmlTextReader(new StringReader(text));
reader.WhitespaceHandling = WhitespaceHandling.None;
DataSet ds = new DataSet();
ds.ReadXml(reader);
reader.Close();
ds.Dispose();
return ds;
}
catch
{
return null;
}
}
#endregion
#region 后台提交数据且获取接口返回的数据
/// <summary>
/// 后台提交数据且获取接口返回的数据
/// </summary>
/// <param name="relativePath">地址</param>
/// <returns></returns>
public static string GetRequestString(string relativePath)
{
string requestUrl = relativePath;
try
{
// 创建一个HTTP请求
HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(requestUrl);
request.Method = "GET";
StreamReader jsonStream = new StreamReader(request.GetResponse().GetResponseStream());
string jsonObject = jsonStream.ReadToEnd();
return jsonObject;
}
catch
{
return string.Empty;
}
}
#endregion
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希望本文所述对大家asp.net程序设计有所帮助。
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