public void loadUCTable()
        {
            _obj = this;
            pnlContainer.Controls.Clear();
            UCTable uc = new UCTable(this);

            uc.Dock = DockStyle.Fill;
            pnlContainer.Controls.Add(uc);
        }
        private void btn_Table_Click_1(object sender, EventArgs e)
        {
            _obj = this;
            pnlContainer.Controls.Clear();
            UCTable uc;

            uc      = new UCTable(this);
            uc.Dock = DockStyle.Fill;
            pnlContainer.Controls.Add(uc);
        }