How to do transactions in WCF.
##Query to create neccessary files##
CREATE TABLE [Employee](
[Eid] [int] IDENTITY(1,1) NOT NULL,
[EName] [varchar](50) NOT NULL,
[ESalary] [float] NOT NULL
)
CREATE TABLE [dbo].[SalaryHistory](
[SNo] [int] IDENTITY(1000,1) NOT NULL,
[Eid] [int] NULL,
[ESalary] [float] NULL,
[StDate] [date] NULL,
[EdDate] [date] NULL
)
CREATE TABLE [Transactions](
[Tid] [int] IDENTITY(1,1) NOT NULL,
[TInfo] [varchar] (50),
[TDate] [datetime]
)