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gridview row delete confirmation box

I need to show a delete conformation box on Gridview delete. with OnClientClick confirmation box, I am showing a simple Internet explore box for delete confirmation. Is it possible to show a fancy box for this. below is my JavaScript code that exists inside the gridview code:
OnClientClick="return DeleteItem();"
Below is my Gridview
<asp:GridView ID="grdShoppingCart" runat="server" AutoGenerateColumns="false" class="ui-responsive table-stroke ss-table ui-search-result-table" DataKeyNames="CartID" AllowPaging="false" PageSize="5" GridLines="None" OnRowDataBound="grdShoppingCart_RowDataBound" OnRowDeleting="grdShoppingCart_RowDeleting">
<Columns>
<asp:BoundField DataField="CartID" Visible="false" HeaderText="CartID" />
<asp:BoundField DataField="item" HeaderText="Item" HeaderStyle-Font-Bold="true" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Left" ItemStyle-Width="250px" ControlStyle-CssClass="ss-row" />
<ItemTemplate>
<asp:ImageButton ID="imgbtnDelete" runat="server" ImageUrl="~/Images/delete1.png" title='Remove' CommandName="delete" OnClientClick="return DeleteItem();" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
This is my Javascript function:
<script type="text/javascript">
function DeleteItem() {
if (confirm("Delete this Location?")) {
return true;
} else {
return false;
}
}
</script>
above code is showing this confirmation window:
I want to show something like this:
any help will be apprecaited.

It's not possible to add css to a confirm box. You can implement your own JavaScript popup.
Alternatively there are many plugins that can do this. One of the most popular JQuery plugins is JQuery UI dialog https://jqueryui.com/dialog/#modal-confirmation
As an as illustration for integrating JQuery UI Dialog with an ASP.NET Gridview, try something like:
<asp:ImageButton ID="imgbtnDelete" runat="server" ImageUrl="~/Images/delete1.png" title='Remove' CommandName="delete" class="button-delete" />
You don't need OnClientClick="return DeleteItem();"
The css class can be used as a reference for an onclick event.
JavaScript:
$(function() {
// Create click handler
$('.ui-search-result-table').on('click', 'button-delete', function(e) {
e.preventDefault($(this)); // $(this) should be a reference to imgbtnDelete
showDialog();
});
// Create the dialog popup
function showDialog(button) {
$("#dialog-confirm").dialog({
resizable: false,
height: "auto",
width: 400,
modal: true,
buttons: {
"Remove": function() {
$(button).click(); // This should click imgbtnDelete
},
Cancel: function() {
$(this).dialog("close");
}
}
});
}
});
HTML for popup
<div style="display: none;">
<div id="dialog-confirm" title="Remove Item?">
<p>Are you sure you want to remove this item?</p>
</div>
</div>
Note: This example is for illustration purposes. You will need to have a play around with your solution to get it working.

DropDownList selected value on click ASP.NET AJAX

I have this ddl:
<asp:DropDownList ID="ddl" runat="server">
<asp:ListItem Value="-1">Select</asp:ListItem>
<asp:ListItem Value="2">My Images</asp:ListItem>
<asp:ListItem Value="3">My Documents</asp:ListItem>
</asp:DropDownList>
I want to show images below that dropdownlist only when a user click on "My Images"
I know how to open an alert when a user click on one of the options, but I dont know how to show things in the same page.
Thanks for helping.

Put your images inside a div:
<div id="myImages" class="ShowHide">
your images here
</div>
add javascript to the server-side:
ddl.Attributes["onchange"] = "ddl_onchange()";
add css class:
<style>
.ShowHide {
display: none;
}
</style>
and below is the javascript code that will show or hide images div:
<script type="text/javascript">
function ddl_onchange(){
var el = document.getElementById("ddl");
var panel = document.getELementById("myImages");
if (el.options[e.selectedIndex].value == "2")
panel.style.display ="block";
else
panel.style.display ="none";
}
</script>

Show/hide div onclick jquery slowly when i click the asp button its not working

I want to show/hide div slowly using jquery when i click the button. This div will have a result from a database. I want it when it opens, to open in slow motion. I have another problem with the asp button when the div is slided down it returns to slide up again automatic. I think it is from postback. I would appreciate any help.
<script src="script/jquery-1.11.1.min.js"></script>
<script>
$(document).ready(function () {
$("#<%=Button1.ClientID%>").click(function () {
$("#showdivslowly").slideDown(2000);
});
});
</script>
<form id="form1" runat="server">
<div runat="server" id="showdivslowly" style="width:500px; height:200px; background-color:Blue" visible="false">Welcome</div>
<asp:Button ID="Button1" runat="server" Text="Button" />
</form>

Please try the following code
<script src="script/jquery-1.11.1.min.js"></script>
<script>
$(document).ready(function () {
$("#<%=Button1.ClientID%>").click(function () {
$("#showdivslowly").slideDown(2000);
return false;
});
});
<div id="showdivslowly" style="width:500px; height:200px; background-color:Blue; display: none;">Welcome</div>
<asp:Button ID="Button1" runat="server" Text="Button" />
Thanks,
Amit

jQuery for displaying div not working

I want a dialog div to appear and rest page to be greyed out. I should not be able to click anything else on page.
Following is the code I am using. Somehow the code is not working. Page just refreshes on click of hyperlink.
Can anyone help ?
<script>
$(document).ready(function () {
$("#DownloadButton").click(function (e) {
ShowDialog(true);
e.preventDefault();
});
$("#btnClose").click(function (e) {
HideDialog();
e.preventDefault();
});
$("#btnDownload").click(function (e) {
HideDialog();
e.preventDefault();
});
});
function ShowDialog(modal) {
$("#overlay").show();
$("#dialog").fadeIn(310);
if (modal) {
$("#overlay").unbind("click");
}
else {
$("#overlay").click(function (e) {
HideDialog();
});
}
}
function HideDialog() {
$("#overlay").hide();
$("#dialog").fadeOut(300);
}
</script>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<div id="overlay" class="web_dialog_overlay">
</div>
<div id="dialog" class="web_dialog">
<table>
<tr>
<td>
<asp:Button ID="btnDownload" runat="server" Text="Download" />
</td>
<td>
<asp:Button ID="btnClose" runat="server" Text="Close" />
</td>
</tr>
</table>
</div>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
<asp:PostBackTrigger ControlID="DownloadButton" />
</Triggers>
<ContentTemplate>
<div class="BaseClass">
<asp:LinkButton ID="DownloadButton" runat="server">Download</asp:LinkButton>
</div>
<asp:GridView>
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Content>

If DownloadButton, btnClose & btnDownload are IDs of server control, then for getting client ID you have to use:
$("#<%=DownloadButton.ClientID%>")
instead of
$("#DownloadButton")
in you jQuery Code.
Or
If you are using ASP.Net 4.0
Use ClientIDMode="static" with your server side controls.
For Closing the Dialog:
Use link to close the model popup:
Eg.
and in you Javascript use:
$("#btnClose").click(function (e) {
HideDialog();
});

why don't you use simply anchor tag? it won't cause a postback at least, no need to use update panel.
<a id="DownloadButton" href="#">Download</a>
$("#DownloadButton").click(function (e) {
ShowDialog(true);
e.preventDefault();
});
Otherwise Kapil Khandelwal answer is correct if you want to use server side control.
$("#<%=DownloadButton.ClientID%>")

In document ready:
jQuery("#overlay").dialog(
{
bgiframe: true,
autoOpen: false,
modal: true,
width: 800
}
);
in the click event:
$('#overlay').dialog('open');
You'll have to specify more options in the dialog declaration, I'm sure, but this approach is working fine for me.

How to avoid the page refresh at each server side event in asp.net?

I've designed a web page in asp.net. And in that page i placed html control too like <a> & <div>. I have written one java script function which is hiding the <div> when i'm clicking on the <a> tag. Its working fine. But when i'm clicking on the asp.net button then page refresh occur again. And it is loading my previous design of the page. I set the display:none of the <div> at the design time. so it is hiding my <div> again when occuring any other server side event. And i don't want let it happen.
Javascript function-
<script language="javascript" type="text/javascript">
function toggle5(showHideDiv, switchTag) {
try {
'<%Session["temp"] = "'+more+'"; %>';
var ele = document.getElementById(showHideDiv);
var imageEle = document.getElementById(switchTag);
if (ele.style.display == "block") {
ele.style.display = "none";
imageEle.innerHTML = 'More';
}
else {
ele.style.display = "block";
imageEle.innerHTML = 'Less';
}
}
catch (err) {
alert("Error");
}
}
</script>
html code is-
<div id="divSearch" style="float:left;height:100%;width:100%;">
<span style="float:right;height:27px;"><a id="displayText" href="#" onclick="javascript:toggle5('toggleText', 'displayText');">More</a></span>
</div>
<div id="toggleText" style="display:none;height:100%;width:100%;">
<div id="divCalls" style="width:24%;float:left;height:30%;">
<span style="float:left;width:100%;color:#3b5998;">
<asp:CheckBox ID="chkNoCall" runat="server" Text="No call made in "
AutoPostBack="True" oncheckedchanged="chkNoCall_CheckedChanged"/>
<asp:TextBox ID="txtNoCall" runat="server" Width="12%" Enabled="False"></asp:TextBox><span> days</span></span>
</div>
</div>
C#.net code of the Checkbox-
protected void chkNoCall_CheckedChanged(object sender, EventArgs e)
{
if (chkNoCall.Checked == true)
{
txtNoCall.Enabled = true;
}
else
{
txtNoCall.Enabled = false;
txtNoCall.Text = "";
}
}
How to solve this problem?
thanks

put this data inside the updatepanel like this
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<span style="float:left;width:100%;color:#3b5998;">
<asp:CheckBox ID="chkNoCall" runat="server" Text="No call made in "
AutoPostBack="True" oncheckedchanged="chkNoCall_CheckedChanged"/>
<asp:TextBox ID="txtNoCall" runat="server" Width="12%" Enabled="False"></asp:TextBox><span> days</span></span>
</ContentTemplate>
</asp:UpdatePanel>
hope this help

In your button click event, return false. this will prevent postback.

Use ajax to get the server side data instead of submitting the page.

Try one of the following:
remove runat=server from the component (a component with runat=Server always submits a form.
use standard html controls
use javascript for html controls
it it's a component with autopostback feature; make autopostback=false