Eval() not returning values for Datafield

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Hello,
I was trying to return values using Eval but got an error saying that the value is undefined. I'm attaching code snippet for same. The value returned correctly if I was using an integer value but said undefined for some string values.

XML

<asp:LinkButton Text="" ID="deleteImageButton" runat="server" CommandName="Delete"
                                       CssClass="deleteButton" OnClientClick='<%# "return ConfirmationMessage(" + Eval("event_name").ToString() + ");" %>' />

C#

function ConfirmationMessage(eventType) {
            if (eventType != null && eventType != 'undefined')
                return confirm(eventType);
        }

Please let me know where i am wrong and help me out please.

Thank in advance,
NutanR

Posted 29-Aug-12 19:46pm

Nutan R

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2 solutions

Solution 1

try :

ASP.NET

<asp:linkbutton text="" id="deleteImageButton" runat="server" commandname="Delete"                                        CssClass="deleteButton" OnClientClick="return ConfirmationMessage('<%# Eval("event_name")%>'  )"</asp:linkbutton>

Posted 29-Aug-12 20:01pm

Kuthuparakkal

Updated 29-Aug-12 20:08pm

v3

Comments

Nutan R 30-Aug-12 2:05am

It gives me an error "The server tag is not well formed" :(

Kuthuparakkal 30-Aug-12 2:07am

check now!

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Sandeep Mewara · Accepted Answer · 2012-08-29T20:03:00

Solution 2

There is an issue on how you are forming your OnClientClick with Eval.

Try:

JavaScript

OnClientClick='<%# Eval("event_name", "return ConfirmationMessage(\"{0}\");") %>'

Posted 29-Aug-12 20:03pm

Sandeep Mewara

Comments

Nutan R 30-Aug-12 2:07am

Thanks a lot..Thanks

Kuthuparakkal 30-Aug-12 2:09am

my 5+