c# xml API操作

            LoginInfo loginInfo = new LoginInfo();
            xmlNode = _xml.SelectSingleNode(loginUrl);
            loginInfo.LoginUrl = xmlNode.InnerText;
            xmlNode = _xml.SelectSingleNode(loginUser);
            loginInfo.UserId = xmlNode.Attributes["tagId"].Value;
            loginInfo.UserValue = xmlNode.InnerText;
            xmlNode = _xml.SelectSingleNode(loginPwd);
            loginInfo.PwdId = xmlNode.Attributes["tagId"].Value;
            loginInfo.PwdValue = xmlNode.InnerText;
            xmlNode = _xml.SelectSingleNode(loginBtnId);
            loginInfo.BtnId = xmlNode.InnerText;

XML:

    <login>
      <url>http://1xxx.com/JLxxxxn/Lxxxxx.aspx</url>
      <user tagId="txtAccount">xxxx</user>
      <pwd tagId="txtPassword">xxxxx</pwd>
      <btnId>btnLogin</btnId>
    </login>

取节点中间的值使用xmlNode.InnerText，即使用InnerText属性。如<btnId>btnLogin</btnId>

取属性的值可以使用xmlNode.Attributes["tagId"].Value，即使用属性的Value属性，如<user tagId="txtAccount">xxxx</user> 的tagId属性
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background-color: #ffffff;
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.csharpcode .rem { color: #008000; }
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.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
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.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }