I found the code at True Tech Troubleshooting (a wonderful resource):  Basic JavaScript Looping in Adobe LiveCycle Designer®

Thanks again for your help.  It now works.Code for Hide All button:var vRows = TableA._Row1.count-1;for (var i=vRows;i>=0;i--) {if (TableA.resolveNode("Row1[" + i + "]").CheckBox1.rawValue!==0) { (TableA.resolveNode("Row1[" + i + "]").presence="hidden"); } }Code for Show All button:var vRows = Table...

Thank you!  This is very helpful.  However, I don't know how many rows there will be.  There may be 20-50 rows.

I have an expanding table.  I have an Add Row button below the table and a Checkbox at the end of each row that will hide that row.  I need a button that will Show All Hidden Rows and another button to Hide All Hidden Rows.  This is working only on the first row of the table and not on any additiona...