public string of_GetMySysSet(string as_type, string as_item)
{
MyConfig.DbName = "config.db";
string ls_value = "";
string ls_sql = "select itemvalue from mysysset where itemtype='" + as_type + "' and itemname='" + as_item + "'";
ls_value = MyConfig.ExecuteScalar(ls_sql);
return(ls_value);
}