private void UpdateForm2_Load(object sender, EventArgs e)
        {
            FileOperations FO = new FileOperations();
            // UpdateForm1 frm = new UpdateForm1();
            Employee emp = FO.FindEmployee(FO.GetSSN());

            SSN_text.Text        = emp.SSN.ToString();
            FName_text.Text      = emp.FName;
            LName_text.Text      = emp.LName;
            Department_text.Text = emp.Department;
            Phone_text.Text      = emp.Phone.ToString();
            if (emp.Salary != 0)
            {
                Salary_text.Text = emp.Salary.ToString();
            }
            if (emp.Phone != 0)
            {
                Phone_text.Text = emp.Phone.ToString();
            }
            if (emp.Gender == "Male")
            {
                this.Male_radioButton.Checked = true;
            }
            else if (emp.Gender == "Female")
            {
                this.Female_radioButton.Checked = true;
            }
        }
        private void UpdateButton_Click(object sender, EventArgs e)
        {
            try
            {
                Employee emp = new Employee();
                emp.FName      = FName_text.Text;
                emp.LName      = LName_text.Text;
                emp.SSN        = Int64.Parse(SSN_text.Text);
                emp.Department = Department_text.Text;
                emp.Salary     = Int64.Parse(Salary_text.Text);
                emp.Phone      = Int64.Parse(Phone_text.Text);
                if (Female_radioButton.Checked)
                {
                    emp.Gender = Female_radioButton.Text;
                }
                else if (Male_radioButton.Checked)
                {
                    emp.Gender = Male_radioButton.Text;
                }

                DialogResult result = MessageBox.Show("Are you want to Updata?", "Caution", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
                if (result == DialogResult.OK)
                {
                    FileOperations F_O = new FileOperations();
                    F_O.Update(F_O.GetSSN(), emp);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }