private void button1_Click(object sender, EventArgs e)
        {
            updateFeature frm = null;

            if (frm == null || frm.IsDisposed)
            {
                frm = new updateFeature(pFeatureLayer, ifeat);
            }

            frm.Show();
            frm.TopMost = true;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            updateFeature frm = null;
            if (frm == null || frm.IsDisposed)
                frm = new updateFeature(pFeatureLayer,ifeat);

            frm.Show();
            frm.TopMost = true;
        }