gridview validation checkbox and textbox validation to alert line number
function SendForApproval()
{
var cell;
var cell1;
var val=0;
var grid = document.getElementById("<%= gvInvoiceSendForApproval.ClientID %>");
if (grid.rows.length > 0)
{
for (i=0; i<=grid.rows.length-1; i++)
{
cell = grid.rows[i].cells[1];
cell1 = grid.rows[i].cells[9];
for (j=0; j