/// <summary>
        /// Delete contact information
        /// </summary>
        /// <param name="emp_ID"></param>
        public void DeleteContact(int emp_ID)
        {
            tbl_contact emp = context.tbl_contact.Find(emp_ID);

            context.tbl_contact.Remove(emp);
        }
 /// <summary>
 /// Update contact information
 /// </summary>
 /// <param name="emp"></param>
 public void UpdateContact(tbl_contact emp)
 {
     context.Entry(emp).State = EntityState.Modified;
 }
 /// <summary>
 /// Add contact information
 /// </summary>
 /// <param name="emp"></param>
 public void InsertContact(tbl_contact emp)
 {
     context.tbl_contact.Add(emp);
 }