public bool DataSetToXML(DataSet _dataSet)
{
bool flag;
if ((_dataSet == null) || (_dataSet.Tables.Count <= 0))
{
this.errorMessage = "数据集为空或者无数据";
return false;
}
string[] strArray = this.fullFileName.Split(new char[] { '\\' });
string path = "";
for (int i = 0; i < (strArray.Length - 1); i++)
{
if (i == (strArray.Length - 2))
{
path = path + strArray[i];
}
else
{
path = path + strArray[i] + @"\";
}
}
XmlTextWriter writer = null;
try
{
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
if (File.Exists(this.fullFileName))
{
File.Delete(this.fullFileName);
}
File.Open(this.fullFileName, FileMode.CreateNew, FileAccess.Write, FileShare.Write).Close();
writer = new XmlTextWriter(this.fullFileName, Encoding.UTF8)
{
Formatting = Formatting.Indented
};
writer.WriteStartDocument();
writer.WriteStartElement("DS");
writer.WriteAttributeString("Name", _dataSet.GetHashCode().ToString());
writer.WriteAttributeString("Num", _dataSet.Tables.Count.ToString());
foreach (DataTable table in _dataSet.Tables)
{
writer.WriteStartElement("DT");
writer.WriteAttributeString("Name", table.TableName);
writer.WriteAttributeString("Num", table.Rows.Count.ToString());
if (table.Rows.Count == 0)
{
writer.WriteStartElement("DR");
writer.WriteAttributeString("Name", "1");
writer.WriteAttributeString("Num", "-1");
foreach (DataColumn column in table.Columns)
{
writer.WriteStartElement("DC");
writer.WriteAttributeString("Name", column.ColumnName);
writer.WriteAttributeString("Num", "0");
writer.WriteEndElement();
}
writer.WriteEndElement();
}
else
{
foreach (DataRow row in table.Rows)
{
writer.WriteStartElement("DR");
writer.WriteAttributeString("Name", row.GetHashCode().ToString());
writer.WriteAttributeString("Num", table.Columns.Count.ToString());
foreach (DataColumn column in table.Columns)
{
writer.WriteStartElement("DC");
writer.WriteAttributeString("Name", column.ColumnName);
writer.WriteAttributeString("Num", "0");
writer.WriteString(row[column.ColumnName].ToString().Replace("<", "(!lt!)").Replace(">", "(!gt!)"));
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.WriteEndDocument();
flag = true;
}
catch (Exception exception)
{
this.errorMessage = exception.Message;
flag = false;
}
finally
{
if (writer != null)
{
writer.Close();
}
}
return flag;
}