c# - Change the cell value (label) of a gridview with javascript, how to make the new value available in postback? -

I have a gridview with some templatefilld (label), and I have some control that will change the text of the label (with Jquery), except for the new value all functions are available, such as posting back like a post, I keep the original values ​​of the cell, I have to update backend to make aware of the change in the DOM (via jquery)? Thanks

foreach (Gridview line row in GVRRO) {decimal value = decimal Purse ((labeled) row.fund control ("labeled id").) Text); }