ASPForums.Net RSS Feedhttp://www.aspforums.net/Handlers/RSS.ashxLatest additions to the content that appears on ASPForums.Net(c) 2019 www.aspforums.com. All rights reserved.ASP.Net Error: Invalid postback or callback argument<p>Hi <a class="username" rel="akhter"> akhter</a>,</p> <p>Refer below link-</p> <h1 class="header"><a title="RegisterForEventValidation can only be called during Render()'a" href="https://www.aspsnippets.com/Articles/RegisterForEventValidation-can-only-be-called-during-Render.aspx">RegisterForEventValidation can only be called during Render()</a></h1>https://www.aspforums.net:443/Threads/807118/ASPNet-Error-Invalid-postback-or-callback-argument/https://www.aspforums.net:443/Threads/807118/ASPNet-Error-Invalid-postback-or-callback-argument/Thu, 22 Aug 2019 08:30:44 GMT