Asp.Net(C#) inline coding Eval if statement

Question

Hi all;

How to make inline eval if control ?

<asp:TemplateField HeaderText="Name">
                <ItemTemplate>
                    <%# if(Eval("Bla Bla Bla").ToString().Length <= 15){Eval("Bla Bla Bla")}else{Eval("Bla Bla Bla").ToString().Substring(0,15)}%>
                </ItemTemplate>
            </asp:TemplateField>

edosoft · Accepted Answer · 2010-04-09 11:17:28Z

33

Use the tertiary expression '?':

<asp:TemplateField HeaderText="Name">
                <ItemTemplate>
                    <%# Eval("Bla Bla Bla").ToString().Length <= 15 ? Eval("Bla Bla Bla") : Eval("Bla Bla Bla").ToString().Substring(0,15) %>
                </ItemTemplate>
            </asp:TemplateField>

answered Apr 9, 2010 at 11:17

edosoft

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4 Comments

Zhaph - Ben Duguid Over a year ago

<pedant> It's "ternary" (having three parts) </pedant> rather than "tertiary" (third in order) ;), or as Eric Lippert points out, just go with " The Conditional Operator": blogs.msdn.com/ericlippert/archive/2010/02/18/…

edosoft Over a year ago

I could edit my post and correct it but than your comment wouldn't make sense any longer so I'll leave my post intact for all the world to see :)

Zhaph - Ben Duguid Over a year ago

edit away, I can always delete my comment, or look like a fool ;)

SUN Jiangong Over a year ago

@edosoft, what if i use html code in this ? for example: <%#Eval("IsPopUp") ? %> <a href="url" onclick="function();">label</a> <% : %><a href="url" onclick="function2();">label2</a>

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