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How to fix Lightning Web Components LWC DataTable?
The best option is to use the accepted solution outlined in the link – re-create the array using the ES6 spread operator, which will cause the component to view it as a new array Not the answer you’re looking for? Browse other questions tagged lightning-web-components lightning-datatable or ask your own question.
Why is Lightning record page not loading with custom LWC?
The given samples are quite short sometimes including for the LWC recipes. It is very basic as you can see even if they tested different types and your code shows the limits when we complicate the message (very useful for the future by having a model of code for this specific need that works).
Why does LWC DataTable not refresh its view?
The first time I’m doing this the view of the datatable is refreshed after the tableData property gets updated. But every other time than the first one theres no refresh of the view. according to the console the tableData property gets properly updated but i dont see any new rows in my datatable. with exactly the same effect.
Why is CSS class not getting added to LWC?
Now the cell is getting the CSS class applied but the text is not changing RED because the CSS file is not getting applied somehow. How can we control and apply the CSS dynamically? Unfortunately, only standard SLDS classes work with cellAttributes, but you are fortunate that we have a standard class to make text red.
How to pass data from one LWC component to another?
Tracked properties are also called private reactive properties. But both @api and @track have rendering property. Here I want to send data from one component to another so I need a public property that can hold the data that is sent from another component.
What are the decorators for lightning Web Components?
The Lightning Web Components programming model has three decorators that add functionality to property or function. @api,@track,@wire. For now, let’s talk about @api and @track.
How does the Lightning DataTable work in Salesforce?
A table that displays rows and columns of data. A lightning-datatable component displays tabular data where each column can be displayed based on the data type. For example, an email address is displayed as a hyperlink with the mailto: URL scheme by specifying the email type. The default type is text.
How to get value from LWC lighting DataTable cell and act upon it?
The last column has a download icon, I don’t want to display any data there just the icon (the ‘xxx’ in the JS is just testing so there is a value there). When I say download that is going to be done from a remote service and I have code that will do it, I just need to get the value from this row and pass it to the download code.
How to conditionally highlight a cell in Lightning?
For those looking for an easy reference of background colors / out of the box options, then as previously mentioned you can use the dynamic (row object specified) cellAttributes: { class: {fieldName: ‘dataColumnOfClasses’} } or, if fixed for the entire table column, cellAttributes: { class: ‘slds-icon-* ‘} } parameter when defining your columns.