or

<tr> <td style="text-align:center"> <telerik:RadButton ID="btnAgree" runat="server" ButtonType="LinkButton" Text="Sign Agreement"></telerik:RadButton> <asp:TextBox ID="txtSigned" runat="server" Width="400px" Height="60px" TextMode="MultiLine" ReadOnly="true" Visible="false" Font-Size="X-Small" CssClass="textScolls"></asp:TextBox> </td> </tr> </table> <telerik:RadWindowManager ID="rdmanager" runat="server" ShowContentDuringLoad="false" CenterIfModal="true" Modal="true" VisibleStatusbar="false" VisibleTitlebar="false" Behaviors="Close" OnClientClose="reloadParent" /> Protected Sub btnAgree_Click(sender As Object, e As EventArgs) Handles btnAgree.Click Dim window As RadWindow = New RadWindow() window.NavigateUrl = "Sign.aspx" window.VisibleOnPageLoad = True window.Modal = True window.Width = "100" window.Height = "100" rdmanager.Windows.Add(window) End SubHere is code for the sign RAdwindow<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title> <script type="text/javascript"> function Clear() { document.execCommand("ClearAuthenticationCache"); } function GetRadWindow() { var oWindow = null; if (window.radWindow) oWindow = window.radWindow else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow; return oWindow; } function reloadParent() { var oWnd = GetRadWindow(); oWnd.close(); } </script></head><body onload="Clear()"> <form id="form1" runat="server"> <div> <asp:HiddenField ID="HFSign" runat="server" Visible="false" /> </div> </form></body></html> Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load If Page.Request.ClientCertificate.IsPresent Then Dim certName As String = Page.Request.ClientCertificate.Item("SubjectCN") Dim issue As String = Page.Request.ClientCertificate.Item("Issuer") HFSign.Value = "Digitally Signed By: " & vbCrLf & " " _ & certName & vbCrLf & " " _ & "DN: " & issue & vbCrLf & " " _ & "cn= " & certName & vbCrLf & " " _ & "Date: " & Date.Now SavePage() End If End Sub Private Sub SavePage() sql = "IF Exists (Select intAdminId from tblSignedAgreement where intAdminId = " & GetPersId() & ") Update tblSignedAgreement SET dtsigned = '" & Date.Now & "', strsigned = '" & HFSign.Value & "' where " _ & "intadminId = " & GetPersId() & " ELSE Insert tblSignedAgreement (intAdminId, dtSigned, strSigned) VALUES (" & GetPersId() & ", '" & Date.Now & "', '" & HFSign.Value & "')" insertUpdateDelete(sql) ScriptManager.RegisterClientScriptBlock(Page, GetType(Page), "ReloadScheduler", "reloadParent();", True) End Sub