C#中数据库事务、存储过程基本用法

时间:2021-08-28 17:04:03

SQL 事务

 public bool UpdateQsRegisterSql(List<string> ids, int newQueueId, string newQueueName)
{
using (SqlConnection con = new SqlConnection(DBHelper.Instance.ConStr))
{
SqlTransaction tran = null;
try
{
con.Open();
SqlCommand cmd = con.CreateCommand();
tran = con.BeginTransaction(IsolationLevel.ReadCommitted);
cmd.Transaction = tran; foreach (string item in ids)
{
cmd.CommandText = @"update qs_register set queueid='" + newQueueId
+ "',queuename='" + newQueueName + "' where id='" + item + "'";
cmd.ExecuteNonQuery();
} tran.Commit();
return true;
}
catch (Exception ex)
{
tran.Rollback();
return false;
}
}
}

Oracle事务

  public bool UpdateQsRegisterOrcl(List<string> ids, int newQueueId, string newQueueName)
{
using (OleDbConnection con = new OleDbConnection(DBHelper.Instance.ConStr))
{
OleDbTransaction tran = null;
try
{
con.Open();
OleDbCommand cmd = con.CreateCommand();
tran = con.BeginTransaction(IsolationLevel.ReadCommitted);
cmd.Transaction = tran; foreach (string item in ids)
{
cmd.CommandText = @"update qs_register set queueid='" + newQueueId
+ "',queuename='" + newQueueName + "' where id='" + item + "'";
cmd.ExecuteNonQuery();
} tran.Commit();
return true;
}
catch (Exception ex)
{
tran.Rollback();
return false;
}
}
}

Sql存储过程

     /// <summary>
/// 直接登记
/// </summary>
/// <param name="hisExamno">申请单号</param>
/// <param name="enrolDoctor">登记医生</param>
/// <param name="engname">患者英文名称</param>
/// <param name="queueName">队列名称</param>
/// <returns></returns>
public bool DirectRegisterSql(string hisExamno, string enrolDoctor, string engname, string queueName)
{
using (SqlConnection conn = new SqlConnection(DBHelper.Instance.ConnectionStr))
{
conn.Open();
SqlCommand cmd = conn.CreateCommand();
try
{
//插入号源属性
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "PROC_HISEXAMTOENROL";
cmd.Parameters.Add("@p_HISEXAMNO", SqlDbType.VarChar).Value = hisExamno;
cmd.Parameters.Add("@p_ENROLDOCTOR", SqlDbType.VarChar).Value = enrolDoctor;
cmd.Parameters.Add("@p_ENGNAME", SqlDbType.VarChar).Value = engname;
cmd.Parameters.Add("@p_AppKind", OleDbType.VarChar).Value = PubVariable.Instance.CurrentDept;
cmd.Parameters.Add("@p_QueueName", OleDbType.VarChar).Value = queueName;
cmd.Parameters.Add("@p_result", SqlDbType.Int).Value = -1; if (cmd.ExecuteNonQuery() > 0) return true;
}
catch { return false; }
finally
{
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
}
return false;
}

Oracle存储过程

  /// <summary>
/// 直接登记
/// </summary>
/// <param name="hisExamno">申请单号</param>
/// <param name="enrolDoctor">登记医生</param>
/// <param name="engname">患者英文名称</param>
/// <param name="queueName">队列名称</param>
/// <returns></returns>
public bool DirectRegisterOrcl(string hisExamno, string enrolDoctor, string engname, string queueName)
{
using (OleDbConnection conn = new OleDbConnection(DBHelper.Instance.ConnectionStr))
{
conn.Open();
OleDbCommand cmd = conn.CreateCommand();
try
{
//插入号源属性
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "PROC_HISEXAMTOENROL";
cmd.Parameters.Add("@p_HISEXAMNO", OleDbType.VarChar).Value = hisExamno;
cmd.Parameters.Add("@p_ENROLDOCTOR", OleDbType.VarChar).Value = enrolDoctor;
cmd.Parameters.Add("@p_ENGNAME", OleDbType.VarChar).Value = engname;
cmd.Parameters.Add("@p_AppKind", OleDbType.VarChar).Value = PubVariable.Instance.CurrentDept;
cmd.Parameters.Add("@p_QueueName", OleDbType.VarChar).Value = queueName;
cmd.Parameters.Add("@p_result", OleDbType.Integer).Value = -1; if (cmd.ExecuteNonQuery() > 0) return true;
}
catch { return false; }
finally
{
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
}
return false;
}