Disable edit linkbutton

Hi,

In model pop-up I have two 4 colomns in the grid and along with that i have edit linkbutton and delete linkbutton in the grid and also related text boxes. when i click edit i need to fill the textboxs under the grid. i am enabling the edit link button and delete link button. but when i click edit linkbutton second time the pop-up background is becoming black. please help me.

private void DisableGridViewChildControls(bool enable)
        {
            if (FinancialContactGridView.Rows.Count > 0)
            {
                foreach (GridViewRow gvrw in FinancialContactGridView.Rows)
                {
                    LinkButton lnkEdit = (LinkButton)gvrw.FindControl("edit");
                    if (lnkEdit != null)
                        lnkEdit.Enabled = enable;
                    LinkButton lnkDelete = (LinkButton)gvrw.FindControl("CancelLinkButton");
                    if (lnkDelete != null)
                    {
                        if (enable)
                            lnkDelete.Attributes.Add("OnClientClick", "return confirm('Are you sure you want to terminate the contact?');");
                        else
                        {
                            lnkDelete.Attributes.Remove("OnClientClick");
                            lnkDelete.OnClientClick = null;
                        }
                        lnkDelete.Enabled = enable;
                    }

Tags: C#