The PrimeNG table component in Angular is having trouble maintaining a fixed width

Question

The PrimeNG table component in Angular is having trouble maintaining a fixed width

I am facing an issue with fixing the width of the first column in a primeNG table. Despite inspecting the element and confirming that it is displaying correctly, my CSS adjustments are being overridden.

Essentially, I am seeking a CSS solution where, regardless of the other column sizes, the first column will maintain a fixed width when switching tabs.

I attempted to set a fixed width for the first child, but it seems to be defaulting to 100% width instead.

https://i.sstatic.net/M1HGZ.png The image above shows that the size appears as 368 despite defining it as 100px.

Similarly, upon changing tabs, the width ends up being 920 even with the 100px fixed width setting.

https://i.sstatic.net/c9tnN.png

Is there a method to establish a fixed width of 100px while keeping the table responsive with a width of 100%?

For a reproducible example, you can visit the following link:

https://stackblitz.com/edit/primeng-tablescroll-demo-wtpbny

html css angular primeng

Answer 1

Answer №1

If you're using primeng 12, be aware that the colgroup template has been removed. Custom column width may not work as expected if you're still using colgroup. Check out the migration guide for more information.

link:https://github.com/primefaces/primeng/wiki/Migration-Guide

solution: Ensure that you set the same width for both <th [style]="'width':'100px'"> and <td [style]="'width':'100px'"> If you are working with dynamic columns, add a 'width' property as shown below:

[{ header: "Name", field: "name", width: '100px' }] // array of column objects

<p-table [value]="data" [columns]="ColumnObjectArray">   
<ng-template pTemplate="header" let-columns>
                <tr>
                    <th *ngFor="let col of columns; let idx=index;" class="" 
                           [style]="'width':col.width">{{col.header}}</th>
               </tr>
</ng-template>
<ng-template pTemplate="body" let-data let-columns="columns">
                <tr>
                    <td *ngFor="let col of columns" [style]="'width':col.width">
                       {{data[col.field]}}
                    </td>
                </tr>
</ng-template>
</p-table>

Give this method a try to achieve responsive table width along with custom column and header widths.

Answer 2

If you're using primeng 12, be aware that the colgroup template has been removed. Custom column width may not work as expected if you're still using colgroup. Check out the migration guide for more information.

link:https://github.com/primefaces/primeng/wiki/Migration-Guide

solution: Ensure that you set the same width for both <th [style]="'width':'100px'"> and <td [style]="'width':'100px'"> If you are working with dynamic columns, add a 'width' property as shown below:

[{ header: "Name", field: "name", width: '100px' }] // array of column objects

<p-table [value]="data" [columns]="ColumnObjectArray">   
<ng-template pTemplate="header" let-columns>
                <tr>
                    <th *ngFor="let col of columns; let idx=index;" class="" 
                           [style]="'width':col.width">{{col.header}}</th>
               </tr>
</ng-template>
<ng-template pTemplate="body" let-data let-columns="columns">
                <tr>
                    <td *ngFor="let col of columns" [style]="'width':col.width">
                       {{data[col.field]}}
                    </td>
                </tr>
</ng-template>
</p-table>

Give this method a try to achieve responsive table width along with custom column and header widths.

Answer 3

Answer №2

I have successfully implemented the necessary solution in a previous project.

To achieve the desired outcome, follow these steps:

Specify the width for each of your columns
Implement horizontal scrolling according to the PrimeNG documentation, specifically in the Horizontal Scroll section:

Horizontal Scroll: When using horizontal scrolling, it is crucial to assign fixed widths to columns. When customizing column widths for scrollable tables, utilize colgroup as shown below to prevent alignment issues across different sections such as headers, bodies, and footers.

Take a look at this live example which demonstrates a table with a fixed size for the first column and responsive behavior.

This solution (setting fixed column sizes) is essential because setting the width to 100% on mobile devices may result in some columns not being displayed or overlapping, thus compromising responsiveness.

Answer 4

I have successfully implemented the necessary solution in a previous project.

To achieve the desired outcome, follow these steps:

Specify the width for each of your columns
Implement horizontal scrolling according to the PrimeNG documentation, specifically in the Horizontal Scroll section:

Horizontal Scroll: When using horizontal scrolling, it is crucial to assign fixed widths to columns. When customizing column widths for scrollable tables, utilize colgroup as shown below to prevent alignment issues across different sections such as headers, bodies, and footers.

Take a look at this live example which demonstrates a table with a fixed size for the first column and responsive behavior.

This solution (setting fixed column sizes) is essential because setting the width to 100% on mobile devices may result in some columns not being displayed or overlapping, thus compromising responsiveness.

Answer 5

Answer №3

It seems like the issue lies in your selector targeting the th element. The current selector is:

::ng-deep .p-datatable .p-datatable-tbody > tr > th:nth-child(1) {

However, it should be adjusted to use .p-datatable-thead instead of .p-datatable-tbody:

::ng-deep .p-datatable .p-datatable-thead > tr > th:nth-child(1) {

Answer 6

It seems like the issue lies in your selector targeting the th element. The current selector is:

::ng-deep .p-datatable .p-datatable-tbody > tr > th:nth-child(1) {

However, it should be adjusted to use .p-datatable-thead instead of .p-datatable-tbody:

::ng-deep .p-datatable .p-datatable-thead > tr > th:nth-child(1) {

Answer 7

Answer №4

After some experimentation, I discovered that by applying the CSS property table-layout: auto; to the .p-datatable table class, the issue was resolved:

.p-datatable table {
  table-layout: auto;
}

With this adjustment, the table will now properly adhere to the specified width of each td

Answer 8

After some experimentation, I discovered that by applying the CSS property table-layout: auto; to the .p-datatable table class, the issue was resolved:

.p-datatable table {
  table-layout: auto;
}

With this adjustment, the table will now properly adhere to the specified width of each td

Answer 9

Answer №5

Fixing the issue by removing fixed widths from all table header cells.

.table-header th {
    width: auto !important;
}

Answer 10

Fixing the issue by removing fixed widths from all table header cells.

.table-header th {
    width: auto !important;
}

The PrimeNG table component in Angular is having trouble maintaining a fixed width

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

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