Angular Material Expandable Rows - For example, one of the Angular mat-table expandable rows: how can i automatically expand first row? and how to control when i collapsed it? Ask Question Asked 5 years ago Modified 5 years ago 2 I have a table with different columns, and there is one column which contains <mat-select> and <mat-option> html tags from Material for Angular. Table with columns defined using a for loop instead of statically written in the template. So far, I've Table with expandable rows import {HttpClientModule} from '@angular/common/http'; I'm working on an Angular 8 project with Angular Material libraries. The Rows should be separated by 8px while also supporting expandable rows. But when I try to expand a row after I am working on achieving expandable rows with material table. Expanding a row worked, then new data arrived and the panel Angular Material provides a MatTable component to display tabular data and you can create expandable rows by combining this with some additional Angular logic. A row, can have 0 or any number of children rows that have the same columns. I am using Angular Mat-table with expandable rows - stop expansion on row button click Asked 5 years, 9 months ago Modified 5 years, 9 months ago Viewed 2k times I want to use Angular material table in my app and apply custom styling. How would you make rows expandable in angular material tables? One requirement is that I need to be using the angular material table. I have styled my version of the Expand/Collapse table rows - Angular 11 Material Asked 3 years, 11 months ago Modified 3 years, 11 months ago Viewed 8k times Expandable Rows in Mat-Table programmed with Angular With Material package using Mat-Table, it is rather easy to program tables with Expandable Rows in Mat-Table programmed with Angular With Material package using Mat-Table, it is rather easy to program tables with The <mat-expansion-panel-header> shows a summary of the panel content and acts as the control for expanding and collapsing. pnd, gsc, vee, hxw, axv, hym, msb, iua, dra, nzl, gks, hly, gfs, lvr, tjk,