ASP.net button onserverclick only works when onclick isn’t defined

protected void btnNext_Click(object sender, EventArgs e) { btnNext.InnerHtml = "CLICK"; } <button type="submit" runat="server" onserverclick="btnNext_Click" id="btnNext">Next &gt;</button> This works fine, but when I add an onclick event: <button type="submit" runat="server" onserverclick="btnNext_Click" onclick="return checkForm();" id="btnNext">Next &gt;</button> And in the head: <script type="text/javascript"> function checkForm() { if (document.getElementById("<%=lstChooseSpec.ClientID %>").value) { return true; } else { $.jGrowl("<strong>Warning!</strong><br />Please … Read more

How to use paging with Repeater control in ASP.NET?

<asp:Repeater ID="RepCourse" runat="server"> <ItemTemplate> <div style="width:400px"></div> <div class="course" style="float: left; margin-left: 100px; margin-top: 100px"> <div class="image"> <asp:Image ID="imgteacher" runat="server" Height="150" Width="248" ImageUrl='<%# "ShowImage.ashx?id="+ DataBinder.Eval(Container.DataItem, "CourseID") %>'/> </div> <div style="margin-left: 3px; width: 250px"> <div class="name"> <a href="#" rel="nofollow noreferrer noopener" rel="nofollow noreferrer noopener"><asp:Label runat="server" ID="lblname" Text='<%#Eval("CourseName") %>'></asp:Label></a> </div> <div style="height: 13px"></div> <div id="teacher"> <a href="#" rel="nofollow … Read more