Calling jQuery from ASP.NET GridView

Question

I found the following code in one of the old messages in StackOverflow:

$("#<%=GridView1.ClientID%> tr").click(function(){
    alert("Row clicked");
});

The code above is supposed to call an alert when user clicks in a row of a GridView. What I don't understand, is how to define (in my GridView) what is referred in the above code as "ClientID". What is "ClientID"?

You don't need to define the ClientID. Each control has a server side ID and a ClientID. You define the server side ID and the ClientID is defined by the markup engine of asp.net. For instance <asp:TextBox ID="text1" runat="server"/> defines a TextBox control with server side ID text1. We use this ID, to access in code behind file the properties f text 1. When this control will be rendered to html, it will have a clientID, which willhave been generated by the asp.net markup engine. — Christos
– Christos, Commented Oct 21, 2013 at 19:41
Thank you both very much for your explanation. I see the code that I copied now works. But what if I wanted to the Alert to be called only when user clicks on a certain specific column? Also, please allow me to ask a general question. How do I enter a comment for two or more people who answered my question? It appears that I can Add Commnet to one and then the other. What am I missing? Thank you again. — Hidalgo
– Hidalgo, Commented Oct 21, 2013 at 19:58
The ClientID property is a automatically generated identification for a control. — Just code
– Just code, Commented Oct 22, 2013 at 11:55

Aristos · Accepted Answer · 2013-10-21 19:42:10Z

1

This code <%=GridView1.ClientID%> will be run on server and will be final render as the ID of the grid view, so on the page you will final see probably this

$("#GridView1 tr").click(function(){
    alert("Row clicked");
});

The ClientID gives the final ID that the GridView is use on the html page.

answered Oct 21, 2013 at 19:42

Aristos

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2 Comments

Nikita Silverstruk Over a year ago

It also depends if they use Master Pages. Then, ASP will add a ContentPlaceHolderID as prefix to the GridView ID

Aristos Over a year ago

@NikitaSilverstruk Of course, I just give an idea that is going to be render the id of.

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