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> Css fix/freeze row and column border line missing
newbie125
post May 18 2023, 01:24 AM
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I wanted to freeze/fix the table first row and first 2 columns. Below code works, only that when scrolling left to right, the first 2 columns left and right border are gone. Any commend?


<html>

<style type="text/css">
table.sample {
border-width: thin thin thin thin;
border-spacing: 4px;
border-style: ridge ridge ridge ridge;
border-color: black;
border-collapse: collapse;
background-color: lightyellow;
text-align: center;
word-break: break-all;
overflow: scroll;
width: 400px;
table-layout:fixed;
}
table.sample th {
border-width: 2px 2px 2px 2px;
padding: 3px 3px 3px 3px;
border-style: ridge ridge ridge ridge;
border-color: black;
background-color: aqua;
-moz-border-radius: 3px 3px 3px 3px;
text-align: center;
word-break: break-all;
}
table.sample td {
border-width: 2px 2px 2px 2px;
padding: 3px 3px 3px 3px;
border-style: ridge ridge ridge ridge;
border-color: black;
-moz-border-radius: 3px 3px 3px 3px;
text-align: center;
word-break: break-all;
}
thead th {
top: 0;
position: sticky;
z-index: 20;
background-color: aqua;
border-color: black;
}
.category_col {
left: 0;
position: sticky;
background-color: lightyellow;
border-color: black;
border-left-color: black;
border-right-color: black;
}
.stage_col {
left: 150px;
position: sticky;
background-color: lightyellow;
border-color: black;
border-left-color: black;
border-right-color: black;

}
.fixed_header {
z-index: 50;
}
</style>

<table class="sample">
<thead>
<tr>
<th width="150" class="category_col fixed_header">Category</th>
<th width="150" class="stage_col fixed_header"><font color=brown>Stages </font></th>
<th width="350"> a </th>
<th width="350"> b </th>
<th width="350"> c </th>
<th width="350"> d </th>
<th width="350"> e </th>
<th width="350"> f </th>
<th width="350"> g </th>
</tr>
</thead>
<tr>
<td class="category_col" scope="row" rowspan="8"><b>Info</b></td>
<td class="stage_col" scope="row"><b>Stage 1</b>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
</tr>

<tr>
<td class="stage_col" scope="row"><b>Stage2</b>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>

<tr>
<td class="stage_col" scope="row"><b>Stage3</b>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>

<tr>
<td class="stage_col" scope="row"><b>Stage4</b>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>

<tr>
<td class="stage_col" scope="row"><b>Stage5</b>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>

<tr>
<td class="stage_col" scope="row"><b>Stage6</b>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
<td>text</td>
</tr>
<tr>
<td class="stage_col" scope="row"><b>Stage7</b>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
<td>x</td>
</tr>
<tr>
<td class="stage_col" scope="row"><b>Stage8</b>
<td>y</td>
<td>y</td>
<td>y</td>
<td>y</td>
<td>y</td>
<td>y</td>
<td>y</td>
</tr>
</table> <br><br>
</html>

This post has been edited by newbie125: May 18 2023, 01:42 AM
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Christian J
post May 18 2023, 11:41 AM
Post #2


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QUOTE(newbie125 @ May 18 2023, 08:24 AM) *

I wanted to freeze/fix the table first row and first 2 columns.

Cool, I didn't know that was possible without extensive hacks. cool.gif

QUOTE
Below code works, only that when scrolling left to right, the first 2 columns left and right border are gone. Any commend?

It seems some to depend on what border-widths I give the the TABLE and TH elements. Maybe this is caused by "border-collapse: collapse", maybe in combination with the sticky positioning? Alas I'm not familiar with sticky positioning. unsure.gif

This border-spacing does not work:
QUOTE
border-spacing: 4px;
border-collapse: collapse;

since according to https://www.w3.org/TR/css-tables-3/#propdef-border-spacing it only applies when the value of "border-collapse" is "separate".

I also suggest simplifying the CSS to begin with, such as replacing:

QUOTE
border-width: thin thin thin thin;
border-style: ridge ridge ridge ridge;
border-color: black;

with this shorthand:

CODE
border: thin ridge black;

or
QUOTE
padding: 3px 3px 3px 3px;

with
CODE
padding: 3px;


The border-color properties here are redundant:

QUOTE
.category_col {
border-color: black;
border-left-color: black;
border-right-color: black;
}

since border styles (including black color) are already defined by the "table.sample td {...}" rule. And if it wasn't, specifying just border-color without any border-style would not work anyway...

As a sidenote, the FONT element is deprecated:
QUOTE
<font color=brown>Stages </font>

Style the TH element instead (or use a more semantically meaningful element than FONT, if applicable).
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pandy
post May 18 2023, 05:41 PM
Post #3


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What browser? It doesn't happen to me in FF. Works just fine. I scrolled back and forth and all borders were still there. Edge is also fine. The page crashes k-meleon though the moment I grab the window to resize it I so I can scroll.
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Christian J
post May 18 2023, 07:11 PM
Post #4


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QUOTE(pandy @ May 19 2023, 12:41 AM) *

What browser? It doesn't happen to me in FF. Works just fine. I scrolled back and forth and all borders were still there. Edge is also fine.

My FF shows no borders around the TH elements in the first row, or in the first two columns. Vivaldi shows all the borders, there they only become covered when you start scrolling, but I suppose that's normal. unsure.gif
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pandy
post May 18 2023, 09:49 PM
Post #5


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Ah. I guess I misunderstood. Those have no borders to start with either. I thought borders disappeared when scrolling.
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