Question

In button click event how can I check all check boxes in gridview?
I dont need header checkbox.

Please provide your knowledge

awaiting your response….

Thanks

Answer 1

Assign a class to all your grid row check boxes and use the below script to get them all.

function getElementsByClass(searchClass,node,tag) {
    var classElements = new Array();
    if ( node == null )
        node = document;
    if ( tag == null )
        tag = '*';
    var els = node.getElementsByTagName(tag);
    var elsLen = els.length;
    var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
    for (i = 0, j = 0; i < elsLen; i++) {
        if ( pattern.test(els[i].className) ) {
                classElements[j] = els[i];
                j++;
        }
    }
    return classElements;
}

And you’ve to call it this way:

var messages = getElementsByClass("childbox");

Assign a class childbox to grid row child box.

document.getElementById("parentbox").onclick  = function() {
for(var index=0; index < messages.length; index++) {
 // prompt the content of the div
 //message[index].checked = (message[index].checked) ? false : true;
}
}

you’ll assign the parentbox class to the parent checkbox which is in grid header.

You don’t need to define them – parentbox and childbox.