字符串“2013/4/19 14:33:26”不是有效的 AllXsd 值。

Xml反序列化时，时间格式的数据会出现问题。解决办法：

public string GetObjectXml(string sql, string conn, string className)
{
var objXml = new StringBuilder();
objXml.Append("<?xml version=\"1.0\" encoding=\"utf-16\"?>").Append(Environment.NewLine);
objXml.Append(string.Format("<{0} xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">", className)).Append(Environment.NewLine);
DataSet ds = DbOperater.SelectDataSet(sql, conn);
DataTable dt = ds.Tables[0];
for (int i = 0; i < dt.Columns.Count; i++)
{
for (int j = 0; j < dt.Rows.Count; j++)
{
string val = dt.Rows[j][i].ToString();
var reg = new Regex(@"(?<Year>(?:\d{4}))[-|/](?<Month>\d{1,2})[-|/](?<Day>\d{1,2}) (?<Hour>\d{1,2}):(?<Min>\d{1,2}):(?<Sed>\d{1,2})");
if (reg.IsMatch(val))
{
DateTime date = DateTime.Parse(val);
val = date.ToUniversalTime().ToString("s");
}
objXml.Append(string.Format("<{0}>{1}</{0}>", dt.Columns[i].ColumnName, val)).Append(Environment.NewLine); ;
}
}
objXml.Append(string.Format("</{0}>", className));
return objXml.ToString();
}