How can I make my JQuery datatable span the full width of the screen, regardless of the resolution?

In my Rails application, I am using JQuery Datatable with the following code:

<%= content_tag :table, 
                role: :my_datatable, 
                id: 'my_datatable', 
                style: 'height:500px; overflow-y: auto;',
                class: 'table table-responsive reconciletable  table-striped table-bordered table-hover', 
                data: { url: my_datatable_path(format: :json)} do %>
  <thead>
    <tr>
      <th>Account Number</th>
      <th>Account Name</th>
      <th>col3</th>
      <th>col4</th>
      <th></th>      
    </tr>
  </thead>

  <tbody>
  </tbody>

<% end %>

However, I encountered an issue where the datatable only covers half of the screen width on a high-resolution screen.

I attempted two solutions by adding width: 100%, but neither worked. Here are the approaches I tried:

Approach 1:

<%= content_tag :table, 
                role: :my_datatable, 
                id: 'my_datatable', 
                style: 'height:500px; overflow-y: auto;',
                width: '100%',
                class: 'table table-responsive reconciletable  table-striped table-bordered table-hover', 
                data: { url: my_datatable_path(format: :json)} do %>

Approach 2:

<%= content_tag :table, 
                role: :my_datatable, 
                id: 'my_datatable', 
                style: 'height:500px; width: 100%; overflow-y: auto;',
                class: 'table table-responsive reconciletable  table-striped table-bordered table-hover', 
                data: { url: my_datatable_path(format: :json)} do %>

If anyone has a solution to make the datatable fit the entire width, please help!

Answer №1

Place your content_tag within a div element containing the container-fluid class like so:

<div class="container-fluid">
  <%= content_tag :table, role: :my_datatable, id: 'my_datatable', style: 
    'height:500px; overflow-y: auto;', width: '100%', class: 'table table-responsive 
    reconciletable table-striped table-bordered table-hover', data: { url: 
    my_datatable_path(format: :json)} do %>
</div>

Answer №2

When the width is set to 100vw, it will expand to cover the entire screen width regardless of the resolution.

To provide further clarification: width: 100vw; is based on the viewport width (encompassing 100% of the viewport), while width: 100% relies on the parent div's width for sizing (covering 100% of the parent's width).

width: 100vw;

Answer №3

By combining Rahul's response with Meet Dave's suggestion and one additional modification I attempted, I was able to achieve success. Removing any of the three modifications resulted in an incomplete solution (although each change individually would increase the width, it still did not fully fill the screen).

The combination of these three steps proved to be effective:

  1. Implement Meet Dave's advice - switch 100% to 100vw
  2. Follow Rahul's recommendation - eliminate table-responsive
  3. My own experimentation - remove reconciletable

This approach successfully resolved the issue (all three changes were applied in this snippet)

<%= content_tag :table, 
                role: :my_datatable, 
                id: 'my_datatable', 
                style: 'height:500px; width: 100vw; overflow-y: auto;',
                class: 'table table-striped table-bordered table-hover', 
                data: { url: my_datatable_path(format: :json)} do %>

It is worth noting that using

<div class="container-fluid">
did not provide a solution in this case.

Many thanks to both Rahul and Dave for their assistance!

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