Develop Reference

Prevent modal close on asp:textbox enter

I am trying to prevent my modal from closing when keypress enter is entered in my modal asp textbox.
I have tried to wrap the textbox in another update panel and use an asynchronous postback trigger on textchanged, but thats not quite what I'm looking for. I am trying to create a text entry part which only updates when keypress enter is pressed and not when the text changes, I have also tried adding data-dismiss="modal" to the textbox itself like other pages have suggested, but this just means when I click on the textbox it shuts the modal.
<asp:UpdatePanel ID="upd_mdl_console" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<!-- Ryan Console-->
<div class="modal fade" data-dismiss="modal" data-toggle="modal" data-backdrop="static" data-keyboard="false" id="mdl_console" tabindex="-1" role="dialog">
<div class="modal-dialog2" role="document">
<div class="modal-content _dev_console">
<div class="modal-header _dev_console">
<h5 class="modal-title pull-left" id="H1" runat="server">
<asp:Label runat="server" ID="Label3" Text="DEV CONSOLE"></asp:Label></h5>
<button type="button" class="close pull-right" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
<br />
</div>
<div class="modal-body">
<div class="panel-heading _dev_console">
<asp:Literal ID="devbox_line_5" runat="server" Text=""></asp:Literal>
<asp:Literal ID="devbox_line_4" runat="server" Text=""></asp:Literal>
<asp:Literal ID="devbox_line_3" runat="server" Text=""></asp:Literal>
<asp:Literal ID="devbox_line_2" runat="server" Text=""></asp:Literal>
<asp:Literal ID="devbox_line_1" runat="server" Text=""></asp:Literal>
<asp:UpdatePanel ID="upd_mdl_txt" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:TextBox ID="txt_Devbox" class="form-control _dev_console" runat="server" autocomplete="off"></asp:TextBox>
</ContentTemplate>
</asp:UpdatePanel>
</div>
<div class="panel-heading _dev_console">
<div class="input-group" style="margin-bottom: 10px; width: 100%">
</div>
</div>
</div>
<div style="clear: both"></div>
<div class="modal-footer _dev_console">
<asp:Label ID="Label4" runat="server" Text="Label" Visible="false"></asp:Label>
<%-- <asp:Button ID="Button1" OnClick="lnk_go_Click" class="btn btn-success" runat="server" AutoPostBack="false" Text="Create"></asp:Button>--%>
<button type="button" class="btn btn-secondary _dev_console" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
</ContentTemplate>
</asp:UpdatePanel>

I use the following snippet to disable enter in textboxes. This also prevents triggering of a form post when pressing enter inside a textbox. It might work for preventing the closure of the modal also.
$('input').keypress(function (e) {
return e.keyCode !== 13;
});
If you want to disable the enter in the modal only you could do something like this
$('.modal-body input').keypress(function (e) {
return e.keyCode !== 13;
});

Open a modal with a text area to fill and a text area loading some content from the page

I'm working with WebForms and I need to create a modal, or anything like this on click on a button to reject an item, the modal should show the item ID and a text area to fill up with the reason why this item will be rejected.
I'm on it for about one week and I can't figure out how could I get the item id and put it on the modal.
I've never used WebForms before, and I'm not finding anything that helps me.
this is my modal code:
<asp:Panel ID="pnlMotivoRejeitarTitulo" runat="server" Width="610px">
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:Button runat="server" ID="btnShowModalPopup2" Style="display: none" />
<ajaxToolkit:ModalPopupExtender ID="modalRejeitarTitulo" runat="server" TargetControlID="btnShowModalPopup2"
PopupControlID="divPopUp2" BackgroundCssClass="popUpStyle" PopupDragHandleControlID="panelDragHandle"
DropShadow="true" RepositionMode="RepositionOnWindowResize" />
<div class="popUpStyle" id="divPopUp2" style="display: none;">
<div style="width: 600px; max-height: 160px;">
<asp:Panel runat="Server" ID="panel1" CssClass="drag01">
<asp:Label ID="lblTituloModal" runat="server" Text="EXCLUIR TÍTULO?"></asp:Label>
<br />
</asp:Panel>
<div class="subtitulo">
<asp:Label ID="lblMensagemOrigemAgregadoMiudo" runat="server" Text=""></asp:Label>
</div>
<br />
<asp:Panel ID="pnlRejeitarTitulo" runat="server" Width="550px" BackColor="#CCCCCC"
CssClass="centralizaPanel" BorderStyle="Outset">
<div style="padding-top: 10px;">
<div class="campo">
<div class="label_formulario8">
<asp:Label ID="lblId" runat="server" Text="ID: "></asp:Label>
</div>
<asp:TextBox ID="txtId" runat="server" Width="100px" ReadOnly="true"></asp:TextBox>
</div>
<div class="campo">
<div class="label_formulario8">
<asp:Label ID="Label3" runat="server" Text="Descrição: "></asp:Label>
</div>
<asp:TextBox ID="txtDescricao" runat="server" Width="300px"></asp:TextBox>
</div>
<br />
</div>
<div class="centraliza_botao">
<asp:Button ID="btnConfirmarExcluirTitulo" runat="server" Text="Confirmar" CssClass="btn btn-primary" OnClick="btnConfirmarExcluirTitulo_Click"
Style="height: 31px" CausesValidation="false" />
<asp:Button ID="btnFecharExcluirTitulo" runat="server" Text="Fechar" CssClass="btn btn-warning"
Style="height: 31px" CausesValidation="false" OnClick="btnFecharExcluirTitulo_Click" />
</div>
<br />
</asp:Panel>
</div>
<br />
<br />
</div>
</div>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Panel>
on txtId must appear the item ID, I've tried to use JS getting the id of the rendered input, but it take so long to render, so JS does not work.

I figured out that I had to fill all the fields before call the method that shows the modal dialog.
I was thinking like jQuery but it does work like that on WebForms

UpdatePanel AsyncPostBackTrigger does Postback

I've below design code containing updatepanel to the gridview and buttons as shown below -
<asp:ScriptManager ID="scrptmanager" runat="server"></asp:ScriptManager>
<div>
<asp:HiddenField ID="hdnSortValue" runat="server" />
</div>
<div class="current-btns" style="float: left !important;">
<div id="divFitnessSortBy" runat="server" class="fit-sort">
<table>
<tr>
<td>
<b>Sort by :</b>
</td>
<td>
<asp:Button ID="btnMostRecent" Text="Most Recent" class="button action sortcomments"
runat="server" OnCommand="btnMostRecent_Click" CommandArgument="date" />
</td>
<td>
<asp:Button ID="btnMostViewed" Text="Most Viewed" class="Comments" runat="server"
OnCommand="btnMostViewed_Click" CommandArgument="views" />
</td>
</tr>
</table>
</div>
<div class="clear">
</div>
</div>
<div class="hr">
</div>
<div class="BlogsPostHolderDiv" id="divPagination">
<asp:UpdatePanel ID="updtpanel" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:GridView ID="gvBlogsPost" runat="server" DataKeyNames="PostID" AutoGenerateColumns="False"
AllowPaging="false" Width="100%" OnRowDataBound="gvBlogsPost_Bound" GridLines="None">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<div class="current-articles">
<div class="current-thumb">
<a id="lnkThumbnail" runat="server" rel="nofollow">
<asp:Image ID="imgThumbnail" runat="server" Height="135px" Width="186px" />
</a>
</div>
<div class="current-list">
<h2>
<a id="lnkArticle" runat="server">
<%# DataBinder.Eval(Container.DataItem, "Subject")%></a>
</h2>
<div class="views-comments">
<h5>
<asp:Label runat="server" ID="lblNewsletterDate" ForeColor="#808080"><%# DataBinder.Eval(Container.DataItem, "PostDate")%></asp:Label>
<span class="gray">|</span> <span id="spnViews" runat="server"><span>
<%#Convert.ToInt64(DataBinder.Eval(Container.DataItem, "TotalViews")).ToString("#,#")%>
Views </span></span>
</h5>
</div>
<asp:Label ID="lblShortDescription" runat="server"><%#DataBinder.Eval (Container.DataItem, "Body")%> </asp:Label>
</div>
<div class="clear">
</div>
</div>
<div class="hr">
</div>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnMostRecent" EventName="Click" />
<asp:AsyncPostBackTrigger ControlID="btnMostViewed" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
<input type="hidden" id="hdnLastArticle" value="10" />
When i click on btnMostRecent or btnMostViewed the page does postback which should not be the case...am i missing something here?
Expected - When i click on any of the given button only gvBlogsPost gridview should be updated without the whole page postback
Help and thanks in advance...!

It looks the only thing you have to do is make sure the triggers are in the same naming container.
According to MSDN:
The control that the AsyncPostBackTrigger control references must be
in the same naming container as the update panel for which it is a
trigger. Triggers that are based on controls in other naming
containers are not supported.

Why ScriptManager causes postback on RequiredFieldValidator in ASP.NET (Web Forms)?

Before adding the ScriptManager when I was clicking on the login button it was showing the required field warning without page postback but after that it has started to do postback first and then validate fields.
It's required to add a ScriptManager when there is an UpdatePanel on the page.
How can I fix this so it doesn't postback on RequiredFieldValidator?
Login Page
<form id="signinform" runat="server" defaultfocus="username" defaultbutton="LogInBtn">
<asp:scriptmanager id="FormScriptManager" runat="server"></asp:scriptmanager>
<div class="form-signup">
<div class="form-group form-group-info">
<div class="append-icon m-b-30">
<asp:textbox id="username" runat="server" cssclass="form-control c-white form-control-success" placeholder="Username" />
<i class="mdi-action-perm-identity c-light"></i>
<asp:requiredfieldvalidator runat="server" id="UserNameValidator" controltovalidate="username" display="Dynamic" validationgroup="LoginVAL" setfocusonerror="true" cssclass=" f-11 c-red m-b-0" errormessage="The username is required." />
</div>
</div>
<div class="form-group form-group-info">
<div class="append-icon m-b-30">
<asp:textbox id="Password" textmode="Password" runat="server" cssclass="form-control c-white form-control-success" placeholder="Password" />
<i class=" mdi-action-lock-outline c-light"></i>
<asp:requiredfieldvalidator runat="server" id="PasswordValidator" controltovalidate="Password" display="Dynamic" setfocusonerror="true" validationgroup="LoginVAL" cssclass="f-11 c-red m-b-0" errormessage="The password is required." />
</div>
</div>
<div class="togglebutton togglebutton-info">
<label class="c-light normal f-11 m-b-15">
<input type="checkbox" runat="server" name="RememberMe" id="RememberMe" class="md-checkbox">
Remember me?
</label>
</div>
</div>
<asp:placeholder runat="server" id="ErrorMessage" visible="false" viewstatemode="Disabled">
<p id="ErrorMessageContainer" runat="server" class="badge badge-danger m-b-5 f-11">
<asp:Literal runat="server" ID="FailureText" ViewStateMode="Disabled" />
</p>
</asp:placeholder>
<div class="progress-demo">
<asp:linkbutton id="LogInBtn" runat="server" onclick="LogIn" text="Login" cssclass="btn btn-material-indigo btn-block btn-embossed ladda-button" validationgroup="LoginVAL" data-style="zoom-in"></asp:linkbutton>
</div>
<p>
<%-- Enable this once you have account confirmation enabled for password reset functionality--%>
<asp:hyperlink runat="server" id="ForgotPasswordHyperLink" viewstatemode="Disabled">Forgot your password?</asp:hyperlink>
</p>
<div class="modal fade" id="LoginModal" tabindex="-1" role="dialog" aria-hidden="true" data-backdrop="static" data-keyboard="false">
<div class="modal-dialog">
<div class="modal-content">
<div id="LoginModalHeader" runat="server" class="modal-header bg-aero">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true"><i class="icons-office-52"></i></button>
<h4 class="modal-title c-white">
<asp:label id="LoginModalTitle" runat="server" />
</h4>
</div>
<asp:updatepanel id="LoginModalUpdatePanel" runat="server">
<ContentTemplate>
<div class="modal-body m-t-10">
<p class=" c-gray w-300 f-13"><asp:Label ID="LoginModalDetails" runat="server" /></p>
</div>
<div class="modal-footer">
<asp:LinkButton runat="server" ID="ResendConfirm" OnClick="SendEmailConfirmationToken" Text="Resend Confirmation" Visible="false" CssClass="btn btn-material-blue-grey btn-embossed" />
<button id="LoginModalCancel" runat="server" type="button" class="btn btn-default btn-embossed" data-dismiss="modal">Cancel</button>
</div>
</ContentTemplate>
</asp:updatepanel>
</div>
</div>
</div>
</form>
I appreciate your efforts in reaching a solution for my problem.

I came across the same issue a while back and was able to resolve it via Page.Validate();.
Basically, before I added ScriptManager everything was working well. When I would click the update button, the field validators would run and prevent a post back until requirements were met. After adding ScriptManager tag, the page would post back rendering my validators pretty much useless.
What I did was add on my update (submit) button click event:
page.validate();
if (Page.IsValid)
{
// Your update or submit code here.
}
This seems to work fine!

Write like this..
<asp:updatepanel id="LoginModalUpdatePanel" runat="server">
<ContentTemplate>
//paste all codes inside here
</ContentTemplate>
</asp:updatepanel>

converting an updatePanel to TELERIK

Using ASP.Net webforms I have a pop up containing 2 tabs, which display info on a feature, 'FEATURE PROPERTIES' and 'IMAGES'. Each time a new feature is clicked the pop up is updated with the new feature details.
I was making the call back to the server where updatePanel8 was being updated. Unfortuantelly I am trying to convert my website to telerik and I am having difficulties implenting this. I have read many Q's on telerik forms some suggest trying RadAjaxPanel others suggest tryiing RadAjaxManager, but either way I cant seem to get it working as I cant use an update panel inside a panel when I am using telerik.
**MY CODE:**
<asp:Panel ID="ViewFeatureProperties" runat="server" BackColor="Snow" Width="300"
HorizontalAlign="Center">
<asp:UpdatePanel runat="server" ID="UpdatePanel8" UpdateMode="Conditional" ChildrenAsTriggers="true"
Style="position: relative; overflow: hidden; background-color: White;
width: 300px; height: 300px; margin: 5px; text-align: center; outline-style: none; overflow-y: hidden; overflow-x:hidden;">
<ContentTemplate>
<div id="DivHolding2Tabs" class="overflowcontent webkit-scrollbar webkit-scrollbar-track webkit-scrollbar-thumb" style="width:100%;border-color:Black;border-width:1px;border-style:solid;">
<ul id="tabList" style="width:100%">
<li>Info </li>
<li>Images </li>
</ul>
<div id="tabs-1" class="WorkFlowLayout">
<b><font color="FF6600">Feature Properties </font></b>
<div id="divFeatureInfo" runat="server">
</div>
</div>
<div id="tabs-2" class="WorkFlowLayout">
<b><font color="FF6600">Images</font></b>
<div id="ImagesRelatingToFeatureDIV" runat="server">
</div>
</div>
</div>
<br />
<br />
<div class="buttonwrap">
<span id="Span5" class="ActionBtns">
<asp:Button ID="ViewFeatureWorkflowImagePostBackBtn" runat="server" Style="display: none;
visibility: hidden;" OnClick="ViewFeatureWorkflowImagePostBackBtn_Click" />
</span>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="ViewFeatureWorkflowImagePostBackBtn" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
</asp:Panel>
**CODE BEHIND**
protected void ViewFeatureWorkflowImagePostBackBtn_Click(object sender, EventArgs e)
{
ReloadUploadedImagesForFeatureWorkflow();
}
private void ReloadUploadedImagesForFeatureWorkflow()
{
//generate the new details for the popup
UpdatePanel8.Update();
script.Append("OpenPropertiesPopUp();");
ScriptManager.RegisterClientScriptBlock(UpdatePanel8, UpdatePanel8.GetType(), "OpenPropertiesPopupCall()",
script.ToString(),
true);
}
Some exmaples I have tried are:
<telerik:radajaxmanager id="ajaxManager1" runat="server" UpdatePanelsRenderMode="Inline"><%-- defaultloadingpanelid="RadAjaxLoadingPanel1" runat="server">--%>
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="ajaxManager1">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="Panel1" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:radajaxmanager>
<asp:Panel ID="Panel1" runat="server">
<div id="Div1" class="overflowcontent webkit-scrollbar webkit-scrollbar-track webkit-scrollbar-thumb"
style="width: 100%; border-color: Black; border-width: 1px; border-style: solid;">
<asp:Button ID="ViewFeatureWorkflowImagePostBackBtn" runat="server" Text="Update the first Panel" OnClick="ViewFeatureWorkflowImagePostBackBtn_Click" />
<asp:Label ID="Label4" runat="server" Text="Label4"></asp:Label>
<ul id="Ul1" style="width: 100%">
<li>Info </li>
<li>Images </li>
</ul>
<div id="tabs-1" class="WorkFlowLayout">
<b><font color="FF6600">Feature Properties </font></b>
<div id="divFeatureInfo" runat="server">
</div>
</div>
<div id="tabs-2" class="WorkFlowLayout">
<b><font color="FF6600">Images</font></b>
<div id="ImagesRelatingToFeatureDIV" runat="server">
</div>
</div>
</div>
<br />
<br />
<div class="buttonwrap">
<span id="Span6" class="ActionBtns">
<asp:Button ID="Button2" runat="server" Style="display: none; visibility: hidden;"
OnClick="ViewFeatureWorkflowImagePostBackBtn_Click" />
</span>
</div>
</asp:Panel>
<br />
<telerik:radajaxloadingpanel id="RadAjaxLoadingPanel2" runat="server" skin="Default"></telerik:radajaxloadingpanel>
code behind
UpdatePanel8.AjaxRequest;
// UpdatePanel8.ResponseScripts.Add(String.Format("$find('{0}').ajaxRequest();", UpdatePanel8.ClientID));

If calling the Update() server method is your requirement, I do not think you will be able to migrate to RadAjax. There is no server Update() method there, because the update panels are created dynamically.
If, however, you want to update Panel1 when ViewFeatureWorkflowImagePostBackBtn is clicked, you need an AJAX setup like this:
<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server" Skin="Black"></telerik:RadAjaxLoadingPanel>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" DefaultLoadingPanelID="RadAjaxLoadingPanel1">
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="ViewFeatureWorkflowImagePostBackBtn">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="Panel1" />
</UpdatedControls>
</telerik:AjaxSetting>
<telerik:AjaxSetting AjaxControlID="Panel1">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="Panel1" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:RadAjaxManager>
Where I am assuming that the ViewFeatureWorkflowImagePostBackBtn button is still somewhere in the code. If it was replaced by a button with ID Button2, the AjaxControlID setting should use Button2 instead.