Introduction: In this article I am going to show an example to open bootstrap
modal popup having custom header text and message on click of button in Asp.Net.
In previous articles on bootstrap i explained How to use bootstrap popover in asp.net and Examples to use bootstrap tooltip in asp.net and Show and auto close bootstrap alert messages after few seconds in asp.net and Maintain bootstrap selected tab on postback in asp.net and Server side yes no confirmation box on Dropdownlist item change using jquery
Description: It is always preferred to ask for user confirmation before
actually performing an action. For example before actually deleting the record
or resetting anything ask user for confirmation. If user confirms then perform
the action server side otherwise just close the popup without performing anything.
I have implemented this in Asp.net web form using bootstrap modal popup.
Implementation: Let’s create a web page for demonstration purpose:
HTML
source:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script type="text/javascript">
function getConfirmation(sender, title, message) {
$("#spnTitle").text(title);
$("#spnMsg").text(message);
$('#modalPopUp').modal('show');
$('#btnConfirm').attr('onclick', "$('#modalPopUp').modal('hide');setTimeout(function(){" + $(sender).prop('href') + "}, 50);");
return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="modalPopUp" class="modal fade" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">
<span id="spnTitle">
</span>
</h4>
</div>
<div class="modal-body">
<p>
<span id="spnMsg">
</span> .
</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" id="btnConfirm" class="btn btn-danger">
Yes, please</button>
</div>
</div>
</div>
</div>
<asp:LinkButton ID="lnkDelete" runat="server" CssClass="btn btn-danger" OnClientClick="return getConfirmation(this, 'Please confirm','Are
you sure you want to delete?');" OnClick="lnkDelete_Click"><i class="glyphicon glyphicon-trash"></i> Delete</asp:LinkButton>
<asp:Literal ID="litMsg" runat="server"></asp:Literal>
</div>
</form>
</body>
</html>
Asp.Net C#
Code
protected void lnkDelete_Click(object sender, EventArgs e)
{
//Write the code here to
delete the record
litMsg.Text = "Record deleted successfully";
}
Asp.Net
VB Code
Protected Sub lnkDelete_Click(sender As Object, e As EventArgs)
'Write the code here to
delete the record
litMsg.Text = "Record deleted successfully"
End Sub
Note: By default size of popup is
medium. To open small popup replace the line <div class="modal-dialog"> with <div class="modal-dialog
modal-sm"> and to open large popup replace with <div class="modal-dialog
modal-lg">
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