例子一：
/// <summary>
/// 一般的 事务
/// </summary>
public void ADONetTran1()
{
string value1Ofkey1 =
System.Web.Configuration.WebConfigurationManager.AppSettings["StrConnection"];
SqlConnection conn = new SqlConnection(value1Ofkey1);
SqlCommand cmd = new SqlCommand();
try
{
mandText = @"Update Region Set RegionDescription=@UpdateValue
where RegionID=@UpdateID";
mandType = CommandType.Text;
cmd.Connection = conn;
conn.Open();
SqlParameter[] paras = new SqlParameter[]{
new SqlParameter ("@UpdateID",SqlDbType.Int,32),
new SqlParameter ("@UpdateValue",SqlDbType .NChar,50)};
paras[0].Value = "2";
paras[1].Value = "Update Value12";
foreach (SqlParameter para in paras)
{
cmd.Parameters.Add(para);
}
//开始事务
cmd.Transaction = conn.BeginTransaction();
cmd.ExecuteNonQuery();
mandText = "insert into Region values(@InsertID,@InsertValue)";
mandType = CommandType.Text;
paras = new SqlParameter[]{
new SqlParameter ("@InsertID",SqlDbType.Int ,32),
new SqlParameter ("@InsertValue",SqlDbType.NChar ,50)};
paras[0].Value = "7";
paras[1].Value = "Insert Value";
cmd.Parameters.Clear();
foreach (SqlParameter para in paras)
{
cmd.Parameters.Add(para);
}
cmd.ExecuteNonQuery();
//提交事务
mit();
}
catch
{
//回滚事务
cmd.Transaction.Rollback();
throw;
}
finally
{
conn.Close();
}
}
转载自：/lgx5/p/7899929.html
