ASP.NET

<asp:GridView ID="myGridView" runat="server" AutoGenerateColumns="False" GridLines="Horizontal"
                onrowediting="myGridView_RowEditing" HorizontalAlign="Center"  
                 onrowcommand="myGridView_RowCommand" CellSpacing="4" forecolor="Black"
                onrowcreated="myGridView_RowCreated">
                
                <RowStyle BorderStyle="Outset" />
                <Columns>
                    <asp:TemplateField>
                        <ItemTemplate>
                            <asp:Button ID="selectButton2" runat="server" Text="Add" CausesValidation="false"
                                OnClick=" AddItemToCart" UseSubmitBehavior="True" 
                                CommandName="selectButton2" oncommand="selectButton2_Command" />
                        </ItemTemplate>
                    </asp:TemplateField>
                    <asp:BoundField DataField ="ItemID"  HeaderText="Item ID"/>
                    
                </Columns>
            </asp:GridView>

<telerik:GridTemplateColumn UniqueName="Select">
 <ItemTemplate>
</ItemTemplate>
</telerik:GridTemplateColumn>

<telerik:GridTemplateColumn UniqueName="Select" Visible='<%# CheckboxVisibleCheck(Eval("Column3").ToString)%>'>
 <ItemTemplate>
</ItemTemplate>
</telerik:GridTemplateColumn>

function OpenPopUp(val_real, vis) {
           var myWidth = 0, myHeight = 0;
           if (typeof (window.innerWidth) == 'number') {
               //Non-IE
               myWidth = window.innerWidth;
               myHeight = window.innerHeight;
           } else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
               //IE 6+ in 'standards compliant mode'
               myWidth = document.documentElement.clientWidth;
               myHeight = document.documentElement.clientHeight;
           } else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
               //IE 4 compatible
               myWidth = document.body.clientWidth;
               myHeight = document.body.clientHeight;
           }

           myWidth = myWidth / 2 - 150;
           myHeight = myHeight / 2 - 50;
           window.open('MyPage.aspx?Val=' + val_read, 'width=700,height=160,top=' + myHeight + ',left=' + myWidth)
           return false;

       }

//This code is used to provide a reference to the radwindow "wrapper"
       function GetRadWindow() {
           var oWindow = null;
           if (window.radWindow) oWindow = window.radWindow; //Will work in Moz in all cases, including clasic dialog
           else if (window.frameElement.radWindow) oWindow = window.frameElement.radWindow; //IE (and Moz az well)
           return oWindow;
       }

       function CloseOnReload() {
           //alert("Dialog is about to close itself");
           GetRadWindow().close();
           RefreshParentPage();
       }

       function RefreshParentPage() {
           //alert("Dialog is about to reload parent page");
           GetRadWindow().BrowserWindow.location.reload();
       }

       function RedirectParentPage(newUrl) {
           alert("Dialog is about to redirect parent page to " + newUrl);
           GetRadWindow().BrowserWindow.document.location.href = newUrl;
       }

       function CallFunctionOnParentPage(fnName) {
           alert("Calling the function " + fnName + " defined on the parent page");
           var oWindow = GetRadWindow();
           if (oWindow.BrowserWindow[fnName] && typeof (oWindow.BrowserWindow[fnName]) == "function") {
               oWindow.BrowserWindow[fnName](oWindow);
           }
       }

       function RefreshParentPageWithoutWarning() {
           GetRadWindow().BrowserWindow.document.forms[0].submit();
       }

Response.Write("<Script>return RefreshParentPageWithoutWarning();</script>")

SavetoDB(Values)

 ScriptManager.RegisterStartupScript(Page, Me.GetType(), "", "RefreshParentPageWithoutWarning()", True)