public static TableMetaData[] getTableData(String connStr, String table)
{
List <TableMetaData> td = new List <TableMetaData>();
DbConnection c = null;
DbCommand cmd = null;
DbDataReader r = null;
try
{
c = DBConnectionFactory.GetSqlConnection(connStr);
cmd = DBConnectionFactory.GetSqlCommand("desc " + table, c);
r = cmd.ExecuteReader();
while (r.Read())
{
TableMetaData md = new TableMetaData();
md.Name = DBTools.GetDBStringValue(r, "Field");
String[] dataType = DBTools.GetDBStringValue(r, "Type").Split(new char[] { '(', ')' });
if (dataType.Length > 1)
{
md.MaxLen = int.Parse(dataType[1]);
}
else
{
md.MaxLen = 0;
}
md.Type = dataType[0];
md.IsNullable = DBTools.GetDBStringValue(r, "Null").Equals("YES") ? true : false;
md.IsKey = DBTools.GetDBStringValue(r, "Key").Equals("") ? false : true;
if (md.IsKey)
{
md.IsPrimary = DBTools.GetDBStringValue(r, "Key").Equals("PRI") ? true : false;
}
td.Add(md);
}
return(td.ToArray());
}
catch (Exception e)
{
log.Error("GetTableData feilet", e);
return(null);
}
finally
{
if (r != null)
{
r.Close();
}
if (cmd != null)
{
cmd.Dispose();
}
if (c != null)
{
c.Close();
}
}
}
public static int loadData(String conStr, String data, String table, String format)
{
DbConnection con = DBConnectionFactory.GetSqlConnection(conStr);
if (con == null)
{
return(0);
}
DbTransaction trans = con.BeginTransaction();
TableMetaData[] meta = getTableData(conStr, table);
if (meta == null)
{
return(0);
}
if (format.ToLower().Equals("xml"))
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(data);
XmlNodeList nodes = doc.SelectNodes(table.Trim() + "/data");
if (nodes.Count == 0)
{
return(0);
}
// Build the prepared statement
String sql = "replace into " + table + " set ";
XmlNode node = nodes.Item(0);
XmlNodeList nl = node.ChildNodes;
System.Collections.IEnumerator en = nl.GetEnumerator();
while (en.MoveNext())
{
node = (XmlNode)en.Current;
sql += node.Name + " = @" + node.Name.Trim() + ",";
}
sql = sql.TrimEnd(',');
try
{
for (int n = 0; n < nodes.Count; n++)
{
// Load the data
DbCommand cmd = DBConnectionFactory.GetSqlCommand(sql, con);
XmlNode xmlnode = nodes.Item(n);
XmlNodeList param = xmlnode.ChildNodes;
for (int p = 0; p < param.Count; p++)
{
xmlnode = param.Item(p);
cmd.Parameters.Add("@" + xmlnode.Name.Trim());
cmd.Parameters["@" + xmlnode.Name.Trim()].Value = xmlnode.InnerText;
}
cmd.ExecuteNonQuery();
cmd.Dispose();
}
trans.Commit();
return(nodes.Count);
}
catch (Exception e)
{
trans.Rollback();
throw e;
}
}
return(0);
}
