How to show Alert and Confirmation Message box in ASP.NET?

Syedshakeer
Posted by Syedshakeer under JavaScript category on | Views : 9859
In this Article Biggeners can learn how to disaply a Message Box in Asp.net using JavaScript.

1)Alert Message Box:- This type of Message Box is used to give Alert Information to the User.This can be done by using 'alert' method.Use the Alert mehtod in <script> </script> tags by using a function with method name.Call this function On 'Clientclick event in Button as follows in Below code.

eg:alert("write Message here")


<html>
<head runat="server">
<title>Untitled Page</title>
<script type="text/Javascript" language ="javascript" >
function alert_meth()
{
alert("Client Side MessageBox");
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Style="z-index: 100; left: 64px; position: absolute;top: 88px"
Text="Alert" OnClientClick ="alert_meth()" Font-Bold="True" ForeColor="Red" Width="72px"/>
</form>
</body>
</html>


2)Confirm Message Box:- This type of Message Box is used to give warning to the user.Suppsoe user going to delete records at that time this type of message box is used to give confirmation about the action takes place or not by showing two Buttons as "YES' " and "NO ".If the User click on 'YES' Button it returns Boolean 'True' and for 'NO' button it returns Boolean 'False' .



<html>
<head runat="server">
<title>Untitled Page</title>
<script type="text/Javascript" language ="javascript" >
function confirm_meth()
{
if( confirm("Do you want to continue!Click 'YES'")==true)
{
document.writeln ("<b>You had clic on 'YES' Button</b>");
}
else
{
document.writeln ("<b>You had clic on 'NO' Button</b>");
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="btnconfirm" runat="server" Font-Bold="True" ForeColor="Red"
Style="z-index: 101;left: 272px; position: absolute; top: 208px" Text="Confrimation MsgBox" OnClientClick =" return confirm_meth()" Width="160px" />
</form>
</body>
</html>

Thanks for Reading my Article!

Syed Shakeer Hussain

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