public List <Student> GetStudentByName(string name)
{
var students = new List <Student>();
ObjectCache cache = MemoryCache.Default;
//read form cache
if (cache.Contains("StudentsTable"))
{
return((List <Student>)cache.Get("StudentsTable"));
}
const string commandText = "Select * from Students where FirstName=@name";
using (var connection = ConnFactory.CreateOpenConnection())
using (var command = CmdFactory.CreateCommand(connection, commandText,
new SqlParameter("@name", name)))
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
students.Add(new Student
{
FirstName = reader.GetString("FirstName"),
LastName = reader.GetString("LastName"),
DateOfBirth = reader.GetDateTime("DateOfBirth")
});
}
//Add to cache
cache.Add("StudentsTable", students, new CacheItemPolicy
{
AbsoluteExpiration = DateTime.Now.AddMinutes(10)
});
}
return(students);
}
public void InsertStudent(Student student)
{
using (var connection = ConnFactory.CreateOpenConnection())
using (var command = CmdFactory.CreateStoredProcedure(connection, "sp_InsertStudent",
new SqlParameter("@FirstName", student.FirstName),
new SqlParameter("@LastName", student.LastName),
new SqlParameter("@DateOfBirth", student.DateOfBirth)))
{
command.ExecuteNonQuery();
}
}
