private object getOutputParameters(SqlCommand Command, Procedure Structure)
{
object _return = null;
foreach (ProcedureParameter _ProcedureParameter in Structure) {
if (_ProcedureParameter.Direction != ParameterDirection.Input) {
_ProcedureParameter.Value = Command.Parameters[_ProcedureParameter.Name].Value;
if (_ProcedureParameter.Direction == ParameterDirection.ReturnValue) {
_return = _ProcedureParameter.Value;
}
}
}
return _return;
}
public object InvokeProcedureResult(Procedure inProcedure)
{
SqlCommand _command;
if (string.IsNullOrEmpty(inProcedure.Command)) {
_command = new SqlCommand(inProcedure.Name, _con);
_command.CommandType = CommandType.StoredProcedure;
} else {
_command = new SqlCommand(inProcedure.Command, _con);
_command.CommandType = CommandType.Text;
}
_command.CommandTimeout = _dbi.Timeout;
if (inProcedure.HasParameter) {
AddParameters(_command, inProcedure);
}
object _result = null;
if(!inProcedure.HasReturnParameter)
_command.Parameters.AddWithValue("xy_Procedure_Return", _result).Direction = ParameterDirection.ReturnValue;
this.Open();
try {
if (_trans != null) _command.Transaction = _trans;
_command.ExecuteNonQuery();
} catch (Exception ex) {
ErrorString = ex.Message;
throw ex;
} finally {
if (_trans == null) _con.Close();
}
if (inProcedure.HasReturnParameter) {
_result = getOutputParameters(_command, inProcedure);
} else {
_result = _command.Parameters["xy_Procedure_Return"].Value;
}
if (_result != null) {
return _result;
} else {
throw new Exception("要求返回数值时返回为空");
}
}
private void AddParameters(SqlCommand Command, Procedure Structure)
{
foreach (ProcedureParameter _ProcedureParameter in Structure) {
System.Data.SqlClient.SqlParameter _temp = new SqlParameter(_ProcedureParameter.Name, _ProcedureParameter.Type);
_temp.Value = _ProcedureParameter.Value;
_temp.Direction = _ProcedureParameter.Direction;
Command.Parameters.Add(_temp);
}
}
public DataSet InvokeProcedureFillSet(Procedure inProcedure)
{
int? result;
return InvokeProcedureFillSet(inProcedure, out result);
}
public DataSet InvokeProcedureFillSet(Procedure inProcedure, out int? result)
{
SqlCommand _command;
if (string.IsNullOrEmpty(inProcedure.Command)) {
_command = new SqlCommand(inProcedure.Name, _con);
_command.CommandType = CommandType.StoredProcedure;
} else {
_command = new SqlCommand(inProcedure.Command, _con);
_command.CommandType = CommandType.Text;
}
_command.CommandTimeout = _dbi.Timeout;
if (inProcedure.HasParameter) {
AddParameters(_command, inProcedure);
}
DataSet _dataSet = new DataSet();
SqlDataAdapter _dataAdapter = new SqlDataAdapter(_command);
try {
if (_trans != null) _command.Transaction = _trans;
_dataAdapter.Fill(_dataSet);
} catch (Exception ex) {
ErrorString = "在存储过程中发生了错误:" + ex.Message;
throw ex;
}
result = (int?)getOutputParameters(_command, inProcedure);
return _dataSet;
}
//public int InvokeCommand(string Command) {
// SqlCommand _command = new SqlCommand(Command, _con);
// _command.CommandType = CommandType.Text;
// this.Open();
// int editRow = 0;
// try {
// if (_trans != null) _command.Transaction = _trans;
// editRow = _command.ExecuteNonQuery();
// } catch (Exception ex) {
// ErrorString = ex.Message;
// throw ex;
// } finally {
// if (_trans == null) _con.Close();
// }
// return editRow;
//}
//public DataTable InvokeCommandFill(string Command) {
// SqlCommand _command = new SqlCommand(Command, _con);
// _command.CommandType = CommandType.Text;
// DataSet _dataSet = new DataSet();
// SqlDataAdapter _dataAdapter = new SqlDataAdapter(_command);
// try {
// if (_trans != null) _command.Transaction = _trans;
// _dataAdapter.Fill(_dataSet);
// } catch (Exception ex) {
// ErrorString = "在存储过程中发生了错误:" + ex.Message;
// throw ex;
// }
// if (_dataSet.Tables.Count > 0) {
// return _dataSet.Tables[0];
// } else {
// return new DataTable();
// }
//}
public int InvokeProcedure(Procedure inProcedure)
{
SqlCommand _command;
if (string.IsNullOrEmpty(inProcedure.Command)) {
_command = new SqlCommand(inProcedure.Name, _con);
_command.CommandType = CommandType.StoredProcedure;
} else {
_command = new SqlCommand(inProcedure.Command, _con);
_command.CommandType = CommandType.Text;
}
_command.CommandTimeout = _dbi.Timeout;
if (inProcedure.HasParameter) {
AddParameters(_command, inProcedure);
}
this.Open();
int editRow = 0;
try {
if (_trans != null) _command.Transaction = _trans;
editRow = _command.ExecuteNonQuery();
} catch (Exception ex) {
ErrorString = ex.Message;
throw ex;
} finally {
if (_trans == null) _con.Close();
}
getOutputParameters(_command, inProcedure);
return editRow;
}
public DataTable InvokeProcedureFill(Procedure inProcedure)
{
int? result;
return InvokeProcedureFill(inProcedure,out result);
}
/// <summary>
/// 执行存储过程,并填充一个DataSet对象
/// </summary>
/// <param name="procedureName">存储过程名</param>
/// <param name="Structure">参数结构</param>
/// <returns>DataSet对象</returns>
public System.Data.DataSet InvokeProcedureFillSet(Procedure Structure)
{
return _db.InvokeProcedureFillSet(Structure);
}
/// <summary>
/// 执行存储过程,并返回存储过程返回的数值
/// </summary>
/// <param name="procedureName">存储过程名</param>
/// <param name="Structure">参数结构</param>
/// <returns>存储过程返回的值</returns>
public object InvokeProcedureResult(Procedure Structure)
{
return _db.InvokeProcedureResult(Structure);
}
/// <summary>
/// 执行存储过程,并填充一个DataTable对象
/// </summary>
/// <param name="procedureName">存储过程名</param>
/// <param name="Structure">参数结构</param>
/// <returns>DataSet对象</returns>
public System.Data.DataTable InvokeProcedureFill(Procedure Structure)
{
return _db.InvokeProcedureFill(Structure);
}
/// <summary>
/// 执行存储过程,并返回受影响的行数
/// </summary>
/// <param name="ProcedureName">存储过程名</param>
/// <param name="Structure">参数结构</param>
/// <returns>受影响的行数</returns>
public int InvokeProcedure(Procedure Structure)
{
return _db.InvokeProcedure(Structure);
}
private void AddParameters(MySqlCommand Command, Procedure Structure)
{
foreach (ProcedureParameter _ProcedureParameter in Structure) {
MySqlParameter _temp = new MySqlParameter(_ProcedureParameter.Name, GetMySqlDbType(_ProcedureParameter.Type));
_temp.Value = _ProcedureParameter.Value;
_temp.Direction = _ProcedureParameter.Direction;
Command.Parameters.Add(_temp);
}
}
public Procedure Clone()
{
Procedure _temp = new Procedure() {
_name = _name,
_defaultDB = _defaultDB,
_command = _command,
_hasReturn = _hasReturn,
BeforeInvoke = BeforeInvoke,
AfterInvoke = AfterInvoke
};
for (int i = 0; i < _value.Count; i++) {
_temp._value.Add(_value[i].Clone());
}
return _temp;
}
public DataTable InvokeProcedureFill(Procedure inProcedure)
{
int?result;
return(InvokeProcedureFill(inProcedure, out result));
}