Server event not fired after JQUERY validation

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I am new to jquery, Please help me resolve the below issue.

I have a modal popup and inside the popup i have two asp buttons(Search and close). Onclick of the search button i want to perform a validation and then fire the server button click event and on click of the close button i want to close the dialog.

Problems faced: 1. Onclick of search the jquery validation is happening but the server side event is not getting fired. 2. Onclick of close, the dialog is getting closed only for the first time but after click of the search button once, the close JQUERY is not getting fired.

Below is the code:

button to open dialog

ASP.NET

<asp:Button ID="btnOpenDialog" runat="server" Text="Change"/>

jquery to open dialog

JavaScript

$("[id*=btnOpenDialog]").live("click", function () {
$("#modal_dialog").dialog({
title: "Details",
modal: true,
width: "700px"              
});
return false;
})

The dialog with the asp buttons

ASP.NET

<div id="modal_dialog" style="display:none">
<asp:Label ID="lblError" runat="server" Visible="true" ForeColor="Red"></asp:Label>                           

<asp:Label ID="lblLastName" runat="server" Text="Last Name"></asp:Label>
<asp:TextBox ID="txtLastName" Width="100px"  runat="server"></asp:TextBox>
<asp:Label ID="lblFirstName" runat="server" Text="First Name"> </asp:Label>                            
<asp:TextBox ID="txtFirstName" Width="100px" runat="server"></asp:TextBox>

<asp:Button ID="btnSearch" UseSubmitBehavior="false" runat="server" Text="Search" OnClick="btnSearch_Click"/>   
<asp:Button ID ="btnClose" Text="Close" runat="server"></asp:Button>      

</div>

The btnSearch JQUERY

JavaScript

$("[id*=btnSearch]").live("click", function (e) {          
//e.preventDefault();
var firstName = $("#<%= txtFirstName.ClientID %>").val();
var lastName = $("#<%= txtLastName.ClientID %>").val();

if(firstName == "" & lastName == "")
{                          
$("#<%= lblError.ClientID %>").text("Enter minimum two characters in either first name or last name");              
return false;
}
else
{
$("#<%= lblError.ClientID %>").text("");
$("#hdnFirstNameInitiator").val($("#<%= txtFirstName.ClientID %>").val());
$("#hdnLastNameInitiator").val($("#<%= txtLastName.ClientID %>").val());  
return true;
}
})

The close button JQUERY

JavaScript

$("[id*=btnClose]").live("click", function (e) {
//e.preventDefault();              
$("#modal_dialog").dialog('close');
return true;
})

Also if possible please brief me about appendTo function in jquery.

Please Help.

Thanks in advance,

Posted 18-Jan-14 19:08pm

Vasanth Thilakendran

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Sampath Lokuge · Answer 1 · 2014-01-18T19:52:00

Please try below mentioned steps.

Step 1: Check whether your scripts having ay script error by using chrome dev tools

Step 2 : Don't use live method (which is outdated).Instead of use on method with your events.

Step 3 ; Use is as below.

C#

$("[id*=btnOpenDialog]").off('click').on('click', function(){
$("#modal_dialog").dialog({
title: "Details",
modal: true,
width: "700px"
});
return false;
})

XML

<div id="modal_dialog" style="display:none">
<asp:Label ID="lblError" runat="server" Visible="true" ForeColor="Red"></asp:Label>

<asp:Label ID="lblLastName" runat="server" Text="Last Name"></asp:Label>
<asp:TextBox ID="txtLastName" Width="100px"  runat="server"></asp:TextBox>
<asp:Label ID="lblFirstName" runat="server" Text="First Name"> </asp:Label>
<asp:TextBox ID="txtFirstName" Width="100px" runat="server"></asp:TextBox>

<asp:Button ID="btnSearch" UseSubmitBehavior="false" runat="server" Text="Search" OnClick="btnSearch_Click"/>
<asp:Button ID ="btnClose" Text="Close" runat="server"></asp:Button>

</div>

C#

$("[id*=btnSearch]").off('click').on('click', function(e){

var firstName = $("#<%= txtFirstName.ClientID %>").val();
var lastName = $("#<%= txtLastName.ClientID %>").val();

if(firstName == "" & lastName == "")
{
e.preventDefault();
$("#<%= lblError.ClientID %>").text("Enter minimum two characters in either first name or last name");
return false;
}
else
{
$("#<%= lblError.ClientID %>").text("");
$("#hdnFirstNameInitiator").val($("#<%= txtFirstName.ClientID %>").val());
$("#hdnLastNameInitiator").val($("#<%= txtLastName.ClientID %>").val());
return true;
}
})

C#

$("[id*=btnClose]").off('click').on('click', function(e){

$("#modal_dialog").dialog('close');
return false;
})

I hope this will help to you. :)