public DataSet GetDataSet_Cmd(string commandText, CommandType commandType, params DbParameter[] parameters)
{
SqlTransaction trans = Transaction;
SqlConnection conn = null;
SqlCommand cmd = null;
bool needDispose = true; //针对没有事务的情况
try
{
cmd = new SqlCommand();
cmd.CommandTimeout = CommandTimeout;
if (trans == null)
{
conn = this.Connection;
if (conn == null)
{
conn = OpenNew(this.connectionString, false);
}
else
{
needDispose = false;//采用共享的数据库连接，使用完毕后不需关闭
}
DbHelperUtil.PrepareCommand(cmd, conn, (SqlTransaction)null, commandType, commandText, parameters);
}
else
{
DbHelperUtil.PrepareCommand(cmd, trans.Connection, trans, commandType, commandText, parameters);
}
using (SqlDataAdapter da = new SqlDataAdapter(cmd))
{
DataSet ds = new DataSet();
da.Fill(ds);
return(ds);
}
}
catch (Exception ex)
{
RollBack();
if (ex is SqlException && ((SqlException)ex).Number == 99999)
{
throw new RFException(ex.Message);
}
throw ex;
}
finally
{
if (needDispose)
{
Close(conn);
}
if (cmd != null)
{
cmd.Parameters.Clear();
}
}
}
public object GetValue(string commandText, CommandType commandType, params DbParameter[] parameters)
{
SqlTransaction trans = Transaction;
SqlConnection conn = null;
SqlCommand cmd = null;
bool needDispose = true; //针对没有事务的情况
try
{
cmd = new SqlCommand();
cmd.CommandTimeout = CommandTimeout;
if (trans == null)
{
conn = this.Connection;
if (conn == null)
{
conn = OpenNew(this.connectionString, false);
}
else
{
needDispose = false;//采用共享的数据库连接，使用完毕后不需关闭
}
DbHelperUtil.PrepareCommand(cmd, conn, (SqlTransaction)null, commandType, commandText, parameters);
}
else
{
DbHelperUtil.PrepareCommand(cmd, trans.Connection, trans, commandType, commandText, parameters);
}
object obj = cmd.ExecuteScalar();//结果集中的第一行第一列
return(obj);
}
catch (Exception ex)
{
RollBack();
if (ex is SqlException && ((SqlException)ex).Number >= 50000)
{
throw new RFException(ex.Message);
}
throw ex;
}
finally
{
if (needDispose)
{
Close(conn);
}
if (cmd != null)
{
cmd.Parameters.Clear();
}
}
}