private void btnUpdate_Click(object sender, EventArgs e)
        {
            JobAdd jobAdd = new JobAdd(Convert.ToInt32(dataGridViewJob.CurrentRow.Cells[0].Value.ToString()), true);

            jobAdd.Text           = "تعديل مسمى وظيفي";
            jobAdd.txtJobTit.Text = dataGridViewJob.CurrentRow.Cells[1].Value.ToString();
            jobAdd.btnAdd.Text    = "تعديل";
            jobAdd.ShowDialog();
        }
        private void btnAdd_Click(object sender, EventArgs e)
        {
            JobAdd jobAdd = new JobAdd();

            jobAdd.ShowDialog();
        }