1，SqlServer存储过程的事务处理
一种比较通用的出错处理的模式大概如下：
Create procdure prInsertProducts
(
@intProductId int,
@chvProductName varchar(30),
@intProductCount int
)
AS
Declare @intErrorCode int
Select @intErrorCode=@@Error
Begin transaction
if @intErrorCode=0
begin
-insert products
insert products(ProductID,ProductName,ProductCount)
values(@intProductId,@chvProductName,@intProductCount)
Select @intErrorCode=@@Error --每执行完一条t-sql语句马上进行检测，并把错误号保存到局部变量中
end
if @intErrorCode=0
begin
-update products
update products set ProductName='MicroComputer' where ProductID=5
Select @intErrorCode=@@Error
end
if @intErrorCode=0
commit transaction
else
rollback transaction
Return @intErrorCode --最好返回错误代号给调用的存储过程或应用程序
2，.Net中使用事务处理
SqlConnection myConnection = new SqlConnection("Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI;");
myConnection.Open();
SqlTransaction myTrans = myConnection.BeginTransaction(); //使用New新生成一个事务
SqlCommand myCommand = new SqlCommand();
myCommand.Transaction = myTrans;
try
{
myCommand.CommandText = "Update Address set location='23 rain street' where userid='0001'";
myCommand.ExecuteNonQuery();
myTrans.Commit();
Console.WriteLine("Record is udated.");
}
catch(Exception e)
{
myTrans.Rollback();
Console.WriteLine(e.ToString());
Console.WriteLine("Sorry, Record can not be updated.");
}
finally
{
myConnection.Close();
}