public static string newID(string tablename, string baseid)
{
XmlDocument xml = new XmlDocument();
string result2;
try
{
xml.Load(TableIDCodingRule.App_DataPath + TableIDCodingRule.xmlfile);
string xpath = string.Format("/TableIDCodingRule/Item[@Tablename='{0}']", tablename.ToLower());
XmlNode xn = xml.DocumentElement.SelectSingleNode(xpath);
if (xn == null)
{
throw new Exception("error in loading xmlfile");
}
string codepref = xn.Attributes["Codepref"].Value;
int i = CcConvert.StrToInt(xn.Attributes["Timestamp"].Value, 0);
string mils = DateTime.Now.Millisecond.ToString("d6").Substring(6 - i, i);
int codelen = CcConvert.StrToInt(xn.Attributes["AutoCodeLength"].Value, 0);
if (codelen == 0)
{
throw new Exception("定义代码可变长度不能为0");
}
if (baseid == "")
{
baseid = codepref + 0.ToString("d" + codelen) + mils;
}
int varid = Convert.ToInt32(baseid.Substring(codepref.Length, codelen), 10);
string result = codepref + (varid + 1).ToString("d" + codelen) + mils;
result2 = result;
}
catch (Exception)
{
result2 = "";
}
return(result2);
}
public static int StrToInt(string para)
{
return CcConvert.StrToInt(para, 0);
}
