public object ExecScalar(string commandID, params object[] parameters)
{
string cmdText = GetCommandText(commandID);
CommandType commandType = GetCommandType(commandID);
OracleParameter[] param = ConvertParam(parameters, ref cmdText, commandType);
Util.Log.Debug(GetNoParamCommandText(commandID, cmdText, param));
return(ORACLEHelper.ExecuteScalar(ConnectionString, commandType, cmdText, param));
}
public DataTable GetDataPage(string commandID, int currentPage, int pageSize, out int TotalCount, out int PageCount, params object[] parameters)
{
TotalCount = 0;
PageCount = 0;
string cmdText = GetCommandText(commandID);
CommandType commandType = GetCommandType(commandID);
OracleParameter[] param = ConvertParam(parameters, ref cmdText, commandType);
//计算总记录条数
if (commandType == CommandType.Text)
{
string countCmd = cmdText;
Regex regex = new Regex("[\\s]order[\\s]", RegexOptions.IgnoreCase);
if (regex.IsMatch(countCmd))
{
Match match = regex.Match(countCmd);
countCmd = countCmd.Substring(0, match.Index);
}
if (!string.IsNullOrEmpty(countCmd))
{
countCmd = "\r\n SELECT COUNT(0) FROM (" + countCmd + ") T";
Util.Log.Debug(GetNoParamCommandText(string.Empty, countCmd, param));
TotalCount = (int)ORACLEHelper.ExecuteScalar(ConnectionString, commandType, countCmd, param);
}
}
else if (commandType == CommandType.StoredProcedure)
{
throw new Exception("不支持存储过程分页查询");
}
Util.Log.Debug(GetNoParamCommandText(commandID, cmdText, param));
PageCount = GetPageCount(TotalCount, pageSize);
if (currentPage == 0 || currentPage > PageCount)
{
currentPage = PageCount;
}
if (currentPage == 0)
{
currentPage = 1;
}
return(ORACLEHelper.ExecuteDataset(ConnectionString, commandType, cmdText, currentPage, pageSize, commandID, param).Tables[0]);
}