JQuery :: Merging The Table Cells?

Feb 2, 2010

I am trying to manipulate table cells in a dynamically created table but I find it next to impossible how to do it.

The table I have has the following structrure:

--------------
| Color | Item |
|------|------|
|Blue...| Car |
|------|------|
|Blue...| Boat |
---------------

what i want to do is using javascript or jquery on the client side to convert this table to the following structure:

--------------
| Color | Item |
|------|------|
|........| Car |
|Blue...|------|
|........| Boat |
---------------

I can get up to the point to increase colspan of row1, cell 1 to 2 but this creates the following structure:

--------------
| Color | Item |
|------|------|
|.........| Car. |
|Blue |------|-------|
|........| Blue. | Boat. |
----------------------|

how to delete the extra table cell.

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Script For Merging Cells (across Rows) In The Same Column

Aug 29, 2006

I wrote the following script in order to traverse an HTML table and
merge the cells that have the same value across multiple rows. For some
reason, however, it works for the first, third, and fourth columns in
my table, but in the second column, the merged cell is not aligned at
the center vertically. The cells do get merged, but the cells in the
second column are always aligned at the top. Trying cell.valign =
"middle" had no effect.

Any thoughts? Could it be because I'm not actually deleting the cells
that are to be merged with the top of each such block; instead I merely
set style.display to none for these cells.

Here's my script:

var currCell;
var totRows = T1.rows.length;
var totColumns = T1.rows[1].cells.length;
var numValues = T2.rows[0].cells.length-2;

var i,j;
var nextRowMatch = true;

var myCell;

for (i=0; i<(totColumns-numValues); ++i) {

var currRow = 1;
var j=currRow+1;
var numCellsMerge = 1;

var identical = false;

while (j<totRows) {
var currCell = T1.rows[currRow].cells[i].innerText;
var nextCell = T1.rows[j].cells[i].innerText;

if (currCell != nextCell) {

if (i>0) {

var start=(i-1);
var sameValues = 1;

while ((start >=0) && (sameValues == 1)) {
var prevColText =
T1.rows[currRow].cells[start].innerText;
var prevColNextRowText =
T1.rows[currRow+1].cells[start].innerText;
if (prevColText != prevColNextRowText) {

sameValues = 0;
} else {
start = start-1;
}

}
if (sameValues == 0) {
numCellsMerge = 1;
}

}


if (numCellsMerge 1) {
for (var k=currRow+1; k<j; ++k) {
T1.rows[k].cells[i].style.display = 'none'
}
myCell = T1.rows[currRow].cells[i];
myCell.rowSpan = numCellsMerge;

}

currRow=j;
++j;
numCellsMerge = 1;
identical = false;

} else {
++numCellsMerge;
++j;
identical = true;
}

}

if (identical) {
if (numCellsMerge 1) {

for (var x=currRow+1; x<totRows; ++x) {
T1.rows[x].cells[i].style.display = 'none'
}
myCell = T1.rows[currRow].cells[i];
myCell.rowSpan = numCellsMerge;

}
}

}

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Dec 8, 2010

I have a table that I wrote/borrowed a function to clone a row in a table. I want the new row to be cleared of data.

$("#addrow").live("click", function() {
//clone last row to variable
var row = $('#dataTable tbody>tr:last').clone(true);
//clear text boxes

[Code]....

The code to clear the text boxes and selection boxes work great. The code to clear the text from the table cells that do not have a form element do not work at all. The .Client and .Project cells that I want to clear are populated by an ajax call and the .total cell is populated by a function that sums the values the text boxes.

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Oct 13, 2008

I have table like this:

<table>
<tr>
<td><div class="drop">a</div></td>
<td><div class="drop">a</div></td>

[Code].....

but if I once resize the block called res, it always select block called drop and I'd like to split the cells only if I just resizing the block called res.

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May 15, 2010

I know that JQuery is a very powerful library and was just wondering if it had the following capability that I really need.

Lets say I need to insert new cells into a table row, I know how to do this basic task, but I need to insert my cells in a highly unusual way due to some of the requirements that are needed for the new cells.

I need to be able to insert cells a certain distance into the row, For example, if a row was 1000pixels wide, is there a feature in JQuery that would allow me to insert the cell 250pixels into the row and have a cell width of 50pixels and insert another cell 500pixels into the row with a cell width of 100pixels. I know how to set a cells width using JQuery, just not distance into a row.

The values wont ever be the exact same as above though because they are actually read from a database, so for example, one cell would have the following values [code]...

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Jun 8, 2010

I'm dynamically creating an HTML table using JQuery. I'm not assigning id's to the tr or td tags in the table. The reason I'm not, is that it seems complicated, given that the table is initially loaded and then the user can add and delete rows. I'll also need to sort the table on demand.

I maintain the current row the user has clicked on as a global variable (curRow) using this...
$("#prodTable tbody tr").live('click', function() {
curRow = $(this)[0].rowIndex;
});

I want to do input validations on certain cells based on values in other cells in the row. for example, the value of cellA cannot be greater than the sum of the values of cellB-CellD. The question is, given a certain table rowindex, how can I access the cells in the row? Is this not a good approach?

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May 5, 2009

See the table code below. Because this table is created by a third party application, I can't modify their code. So, I'm stuck trying to find other ways to change the table styles. I figured jQuery would be a great way to accomplish this, but I can't figure out the correct code. Can someone show me how to change all cells, or certain cells (dddefault and ddlabel) to have a border? I've gotten close, but it only affects the first cell.

<TABLE CLASS="datadisplaytable" SUMMARY="This layout table is used to present the weekly course schedule." WIDTH="80%">
<TR>
<TH CLASS="ddheader" scope="col" > </TH>
<TH CLASS="ddheader" scope="col" >   Monday   </TH>

[code]....

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What i'm currently trying to do is find all columns associated with a table header.

For example:

<table id="thetable">
<thead>
<tr><th colspan="2">Column 1 header</th></tr>
</thead>

[Code].....

I would be really happy if when something like this would be possible:

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Aug 3, 2011

I'm using .parent on a draggable table row and need to check the contents of every cell in a particular column in the table. $(ui.draggable.parents("table")[0]) This gives me the table.. how do I get say the collection of cells in column 2. I thought about something like this: $(ui.draggable.parents("table")[0](tr td[1]))

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I'm kinda new in jQuery, used till today only jQuery plugins, but want to start using the jQuery itself.

[Code]...

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In my attempt to understand the workings of the code at: [URL].. I modified it a bit. My question is: What am i doing wrong with the 'testContents()' function? The rows of the table see to be added to the display, but I can not confirm that fact with the test function.

Code:
<html>
<head>
<title>New Table Rows</title>
<script type="text/javascript">
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[Code]...

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I have written a simple webpage that presents a table. A JS function
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What I want is to make a table using JAVASCRIPT, in which if i select 'No' from the first row first column, i want to hide the remaining 3 cells of the first row. Otherwise if i select 'yes' from the first row first column i want to show all the 3 other options of the first row. Also in between if I select 'No' from the first row third column i want to hide the first row fourth column cell. Selecting 'yes' from the first row third column will show the first row fourth column.

I want apply the same setting of hide and show cells into the remaining columns also.

By selecting 'no' from first column -> hide other corresponding cells of the row
by selecting 'yes' from the first column -> show other corresponding cells of the row

AND ALSO

By selecting 'no' from third column -> hide fourth cell of the corresponding/same row by selecting 'yes' from the third column -> show fourth cell of the corresponding/same row

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Jul 23, 2010

I tried to add links to open local xml files in browser in a dynamic table cells. I tried all ways but I think I miss something. I can open them without table just by document.write(xmlfile location).

Here is my code.
function showResultsTable(searched, srchedname) {
// get the reference for the body
var mybody = document.getElementsByTagName("body")[0];
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mytable = document.createElement("table");
mytable.setAttribute('id', 'resulttable');
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var mycurrent_cell = new Array();

for(var j = 0; j < srchedname.length; j++) {
// creates a <tr> element
mycurrent_row = document.createElement("tr");
mycurrent_cell[0] = document.createElement("td");
currenttext = document.createTextNode(j);
mycurrent_cell[0].appendChild(currenttext);
mycurrent_row.appendChild(mycurrent_cell[0]);

mycurrent_cell[1] = document.createElement("td");
link = document.createElement("a");
link.name = ""+srchedname[j]);
link.href = "C:\AAA\TestCasesList.xml";
mycurrent_cell[1].appendChild(link);
mycurrent_row.appendChild(mycurrent_cell[1]);
mycurrent_cell[2] = document.createElement("td");
currenttext = document.createTextNode(searched[j]);
mycurrent_cell[2].appendChild(currenttext);
mycurrent_row.appendChild(mycurrent_cell[2]);

// appends the row <tr> into <tbody>
mytablebody.appendChild(mycurrent_row);
}
// appends <tbody> into <table>
mytable.appendChild(mytablebody);
// appends <table> into <body>
mybody.appendChild(mytable);
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mytable.setAttribute("border", "2");
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I'm trying to remove onchange events from <td> attributes but I can't get it working. I have tried many ways of doing this but this is the way that made most sense to me and still didn't work.This function adds a new row to the table "searchTableResults" and I'm trying to make it remove the onchange attributes on all cells from the previous row. This is sort of the same effect when adding records in Access (a row is added every time you add data in a cell in the last row)

function addSearchRow() {
var mydiv = document.getElementById('searchTableResults').getElementsByTagName('tbody')[0];
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[code]....

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Aug 10, 2010

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I tried some code that print between <div> and </div> but it printed the entire webpage instead of just the one cell.

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I know that javascript could do this but I have no idea where to start or how to do it.

has anyone done this and can paste me some code to use?

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There's a CSS code which is:

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}
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text-decoration: underline overline;
background-color: transparent;
}
</style>

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Further down the page, there's a code:
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2. Why not += ".hi"?

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Before, someone here told me to put the following code in the footer. However, it's not working anymore for some reason.

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Jan 7, 2010

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Has anyone come across anything like this?

Small tables appear to be rendered fine, so I guess Firefox may not be rendering on time as there are a lot of cells in each column.

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Feb 2, 2011

I'm Stephen Martin, an undergraduate Psychology student and researcher. Although I am a self-proclaimed tech geek, the extent of my knowledge ends abruptly at any sort of coding. The paradigm: I am currently investigating the decision making strategies in a particular population (I cannot reveal too much, lest our study be scooped by competing researchers in the field). The paradigm that we use is built through a package called MouseLabWeb [URL]. MLWeb basically provides an interface for researchers to create a html/php/js/css website that presents a grid (table). A small example is shown on the aforementioned website. The javascript functions allow each participant's events to be recorded, timestamped, and written to a MySQL database. This allows the researcher to know which cells the participant viewed, in what order, for how long, and ultimately to which decision the participant came.

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[Code]....

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