Prevent more useres from edit same record in same time probl

means you want to allow another user to update only after some given time??????

Thank you for reply
suppose i need to make update the employee as following  
CREATE PROC UPDATE_EMPLOYEE
(
@EmployeeID INT,
@EmployeeName NVARCHAR(50)
)
AS
update Employee set EmployeeName=@EmployeeName where EmployeeID=@EmployeeID
Suppose I have two useres A,B
A modified or edit using stored procedure above employee no 5000 field EmployeeName
B need to modify employee no 5000 using stored procedure above field EmployeeName
i need to prevent user B To modify same record using time stamp How to do that from c# code and sql server and what modification in stored procedure to accept timestamp
EmployeeTable
EmployeeID
EmployeeName
TimeStampEmp

add a column with created or updated date in your table and display updated date with your data in frontend so that user can see the updated date or time and avoid to update that record again

another is you can add updatedby column and insert the userid of user who update the record