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I have a javascript array with values of checkbox selected. I want to pass this javascript array to asp array so that I can update the database.

I am using Jquery to get checkbox value 

$('.checkboxes_to_delete:checked').each(function (key, value)
{           
    dataToBeDeleted.push($(this).val());
    alert(dataToBeDeleted);
});
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4 Answers

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The easiest way is probably to use your Javascript to put the values into a hidden textbox on your page, and then your ASP code can pull that value down like any other form value.

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up vote 0 down vote

Have you considered a checkboxlist control?

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up vote 0 down vote

Send your array using $.post:

//Javascript

var myarray = [1, 2, 3, 4, 5];
$.post("Default.aspx", { data: myarray }, function (r) { /* callback */ }, "text");

In the code-behind (Default.aspx.cs) you can access your array by using Request["data[]"]. Your data will be a CSV.

//C#

string v = Request["data[]"];
//v == "1,2,3,4,5"; (true)
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Oh.. It's an ajax approach. – Tocco Jul 8 '11 at 16:04
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up vote 1 down vote

What I have done in the past is put the data from the JavaScript array into a hidden textbox with commas between the values. Then post-back and read the hidden textbox, and use string.Split() to seperate out into an array server-side.

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