Multiple Textbox Creation And Deletion Within Table
Apr 11, 2011
Having problems with my add button, it works . . . when it wants to. Its OK when adding but when trying to add after deleting it gets moody and doesn't work. I didn't use a loop but there's a counter for the sake of the IDs cause I will be connecting a database to it.
I have a task to create tables dynamically, using the javascript DOM. The current method uses a 1px x 1px IFRAME to loop through some data generation stuff, and then call JS functions in the parent window to generate the tables.
The basic idea is to add a table tag, with a thead and tbody, on the main parent page, that has display:none set. This then becomes display:block when there are rows to show. The rows themselves are added directly to the visible tbody element using appendChild(). When the results need to be refreshed, the tbody elements are removed, and then added again.
This works well in most browsers, including Opera. However, Mac IE always freezes when trying to generate the table, even for the first time.
I have several different versions, and they all generate the same issue. The tables I am creating are quite complex: multiple cells, colspans, images, nested tables, roll over colours, styles etc. At first, I believed it was an issue with creating images dynamically, however it now seems that is not the case.
I have also tried creating the table and tbody tags using the DOM and appending them to a div, but with no luck. I have also tried creating the tables using a hidden object and then copying the innerHTML / nodes across to the visible one. The various versions I have cover most bases:
* using innerHTML to add content to the cells * using the javascript DOM to create all elements and append them * using a mixture of the both
If anybody has any feedback or suggestions then it would be really appreciated, particularly related to the following:
* From your experience, is this realistically possible?
* Is the problem I'm experiencing related to the complexity or size of the table I am trying to generate? If the table is simple text only, with 2 or 3 columns and rows, then it does work.
* What is the best method to dynamically create tables and cell content across browsers, and in Mac IE?
* Is the problem image related? Does anyone have experience of creating images dynamically in tables in Mac IE? Do you use "new image()" or createElement()? (using the small table sample, this was possible using both methods, and also innerHTML on a cell).
I have a table where the user can press an "add more" button which duplicates the row and displays it on the next line. I use this for my site to have the user input stock prices which may be split in multiple orders after they execute them. Here is my JS code:
Code: <script> function insert(button) {var cell, newRow, row, sect; if((cell = button.parentNode) && (row = cell.parentNode) && row.cloneNode && (sect = row.parentNode) && sect.insertBefore){ newRow = row.cloneNode(true); /* If you need to alter the new row * or its contents, do it here. */ sect.insertBefore(newRow, row.nextSibling); }} </script>
This works fine. However, since I am submitting this with a form I need each cell id to have its own unique identifier. The way the code is now, the cloned cell has the same id as the original and only the data for one gets submitted.
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Code JavaScript: function CreateTable() { var array = ["one", "two", "three", "four", "five", "six", "seven", "eight", "one", "one", "three", "seven"]; var listItems = ""; var tbody = $('.tbody'); var cell = $('<td>', { className: 'open', html: 'Open' }); $.each(array, function(index, val) { var row = jQuery('<tr></tr>') .append('<td>' + index + ' - ' + val + '</td><td> open </td><td> open </td><td> open </td><td> open </td>'); $('td:eq(2)', row).css('background-color', '#eee'); $('td:eq(2)', row).remove(); row = row.add(cell); row.appendTo(tbody); }); }
To confirm that a CMS user really wants to delete a record, I have added some Java Script that was originally intended to confirm if a user wants to visit a new web page that takes a long time to download. The script provided two location.replace() options: 1) to visit the new page or 2) to return to the previous page. I want to modify it so that the options are 1) to continue on to the following deletion script or 2) reurn to the previous page. How do I set up option 1) to do this in the following script? Probably something else than location.replace().
Right now I have option 1) set to direct the user to the same deletion page where this script resides. But this will just loop the user back thru the same JavaScript. Again, I want the first option to just allow the user to continue on thru the rest of the deletion script. Code:
I have this code <TR id="tr1" onClick="var ret_val = clickedfun(this.id)" /> and this javacript code <script language="javascript">function clickedfun(tid) {var elemento = document.getElementById(tid);if(confirm("Tem a certeza que quer remover esta fila?")){elemento.style.visibility='hidden';var numero=tid.substring(2,tid.length);return numero;}}</script>; I want to get the return value of the javascript function to use in database for deletion of that value. I am using jsp and java classes.
I hava e java script fr confrmation of record deletion on server side in asp.net
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function getData(){ var tblData = new Array(); var table = document.getElementById("<%=tblA.ClientID%>");
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