protected void DeleteLinkButton_Click(object sender, EventArgs e)
        {
            contactID = Convert.ToInt32(Session["EditContactID"]);
            ContactBL contactBL = new ContactBL();
            contactBL.DeleteContactByID(contactID);

            this.ContactGridView.DataBind();
            this.ContactGridView.SelectedIndex = -1;
            this.MiniContactFormView.DataBind();
            this.MiniContactDetailsView.DataBind();
            ContactListUpdatePanel.Update();
            MiniDetailsUpdatePanel.Update();

            EditLinkButton.Visible = false;
            DeleteLinkButton.Visible = false;
            MeetingSummaryLinkButton.Visible = false;
            NotifyLinkButton.Visible = false;

            Session["EditContactID"] = 0;
            Session.Remove("ContactName");
            Session.Remove("AssignedTo");
            Session.Remove("ReceiverName");
            Session.Remove("ReceiverEmail");
            Session.Remove("NotifyUser");
            Session.Remove("ContactAccountID");
            Session.Remove("ContactName");
        }
        protected void IssueLinkButton_Click(object sender, EventArgs e)
        {
            string email = String.Empty;
            string contactName = String.Empty;
            string targetid = String.Empty;

            foreach (GridViewRow row in ContactGridView.Rows)
            {
                if ((row.FindControl("ContactCheckBox") as CheckBox).Checked)
                {
                    var dataKey = ContactGridView.DataKeys[row.RowIndex];
                    if (dataKey != null)
                    {
                        ContactBL contactBL = new ContactBL();
                        long contactID = Convert.ToInt64(dataKey.Value);
                        IEnumerable<DAL.Contact> contacts = contactBL.GetContactByID(contactID);
                        foreach (var contact in contacts)
                        {
                            if (contact.PrimaryEmail != null)
                            {
                                string emailaddress = contact.PrimaryEmail.ToString();
                                if (emailaddress != null)
                                {
                                    Regex regex = new Regex(@"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$");
                                    Match match = regex.Match(emailaddress);
                                    if (match.Success)
                                    {
                                        email += emailaddress + ";";
                                        targetid += contactID.ToString(CultureInfo.InvariantCulture) + ";";
                                        contactName += contact.FirstName.ToString() + ", ";
                                    }
                                }
                            }

                        }
                    }
                }
            }
            Session["targetID"] = targetid.TrimEnd(';');
            Session["toUser"] = email;
            TextBox ContactName = CampaignTargetDetailsView.FindControl("TargetTextBox") as TextBox;
            ContactName.Text = contactName;
            ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "script", "CloseModals(['BodyContent_TargetListModalPanel']);", true);
        }