private void btnNextPage_Click(object sender, EventArgs e)
{
FormProvoider.SetCurTabPage(ItemID, FormProvoider.GetCurTabPage(ItemID) + 1);
StringBuilder pageText = new StringBuilder(256);
FormProvoider.GetTabPageText(ItemID, FormProvoider.GetCurTabPage(ItemID), pageText, pageText.Capacity);
this.txtCurTabPage.Text = pageText.ToString();
}
