mat-table creating columns dynamically vs static change table look





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0















Sorry if this question is trivial, I'm very new to Angular and Web UI Kingdom



I'm currently looking at this sample project: https://github.com/marinantonio/angular-mat-table-crud



I was replacing the way the columns were created (from static to dynamic) and the table layout changed into something that is hard to read. I am having trouble understanding how/why this is happening. What makes the difference in how I created my columns? But, most importantly, how do i fix it?



Here is what I have:



componnent.html:



<ng-container *ngFor="let column of columns" matColumnDef="{{column.name}}">
<th mat-header-cell *matHeaderCellDef mat-sort-header>{{column.label}}</th>
<td mat-cell *matCellDef="let row"> {{row[column.name]}} </td>
</ng-container>


component.ts



columns: Array<any> = [
{ name: 'id', label: 'ID', cell: (element: any) => `${element.id}` },
{ name: 'title', label: 'Title', cell: (element: any) => `${element.title}` },
{ name: 'state', label: 'State', cell: (element: any) => `${element.state}` },
{ name: 'url', label: 'Url', cell: (element: any) => `${element.url}`},
{ name: 'created_at', label: 'Created at', cell: (element: any) => `${element.created_at}`},
{ name: 'updated_at', label: 'Updated at', cell: (element: any) => `${element.updated_at}`},
]
// displayedColumns = ['id', 'title', 'state', 'url', 'created_at', 'updated_at', 'actions'];
displayedColumns = this.columns.map(x => x.name).concat(['actions']);


I didn't touch the components.css



enter image description here










share|improve this question

























  • Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

    – dmcgrandle
    Nov 16 '18 at 17:05











  • @dmcgrandle thanks, but it doesn't work

    – Maria Finkelstein
    Nov 16 '18 at 17:40


















0















Sorry if this question is trivial, I'm very new to Angular and Web UI Kingdom



I'm currently looking at this sample project: https://github.com/marinantonio/angular-mat-table-crud



I was replacing the way the columns were created (from static to dynamic) and the table layout changed into something that is hard to read. I am having trouble understanding how/why this is happening. What makes the difference in how I created my columns? But, most importantly, how do i fix it?



Here is what I have:



componnent.html:



<ng-container *ngFor="let column of columns" matColumnDef="{{column.name}}">
<th mat-header-cell *matHeaderCellDef mat-sort-header>{{column.label}}</th>
<td mat-cell *matCellDef="let row"> {{row[column.name]}} </td>
</ng-container>


component.ts



columns: Array<any> = [
{ name: 'id', label: 'ID', cell: (element: any) => `${element.id}` },
{ name: 'title', label: 'Title', cell: (element: any) => `${element.title}` },
{ name: 'state', label: 'State', cell: (element: any) => `${element.state}` },
{ name: 'url', label: 'Url', cell: (element: any) => `${element.url}`},
{ name: 'created_at', label: 'Created at', cell: (element: any) => `${element.created_at}`},
{ name: 'updated_at', label: 'Updated at', cell: (element: any) => `${element.updated_at}`},
]
// displayedColumns = ['id', 'title', 'state', 'url', 'created_at', 'updated_at', 'actions'];
displayedColumns = this.columns.map(x => x.name).concat(['actions']);


I didn't touch the components.css



enter image description here










share|improve this question

























  • Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

    – dmcgrandle
    Nov 16 '18 at 17:05











  • @dmcgrandle thanks, but it doesn't work

    – Maria Finkelstein
    Nov 16 '18 at 17:40














0












0








0








Sorry if this question is trivial, I'm very new to Angular and Web UI Kingdom



I'm currently looking at this sample project: https://github.com/marinantonio/angular-mat-table-crud



I was replacing the way the columns were created (from static to dynamic) and the table layout changed into something that is hard to read. I am having trouble understanding how/why this is happening. What makes the difference in how I created my columns? But, most importantly, how do i fix it?



Here is what I have:



componnent.html:



<ng-container *ngFor="let column of columns" matColumnDef="{{column.name}}">
<th mat-header-cell *matHeaderCellDef mat-sort-header>{{column.label}}</th>
<td mat-cell *matCellDef="let row"> {{row[column.name]}} </td>
</ng-container>


component.ts



columns: Array<any> = [
{ name: 'id', label: 'ID', cell: (element: any) => `${element.id}` },
{ name: 'title', label: 'Title', cell: (element: any) => `${element.title}` },
{ name: 'state', label: 'State', cell: (element: any) => `${element.state}` },
{ name: 'url', label: 'Url', cell: (element: any) => `${element.url}`},
{ name: 'created_at', label: 'Created at', cell: (element: any) => `${element.created_at}`},
{ name: 'updated_at', label: 'Updated at', cell: (element: any) => `${element.updated_at}`},
]
// displayedColumns = ['id', 'title', 'state', 'url', 'created_at', 'updated_at', 'actions'];
displayedColumns = this.columns.map(x => x.name).concat(['actions']);


I didn't touch the components.css



enter image description here










share|improve this question
















Sorry if this question is trivial, I'm very new to Angular and Web UI Kingdom



I'm currently looking at this sample project: https://github.com/marinantonio/angular-mat-table-crud



I was replacing the way the columns were created (from static to dynamic) and the table layout changed into something that is hard to read. I am having trouble understanding how/why this is happening. What makes the difference in how I created my columns? But, most importantly, how do i fix it?



Here is what I have:



componnent.html:



<ng-container *ngFor="let column of columns" matColumnDef="{{column.name}}">
<th mat-header-cell *matHeaderCellDef mat-sort-header>{{column.label}}</th>
<td mat-cell *matCellDef="let row"> {{row[column.name]}} </td>
</ng-container>


component.ts



columns: Array<any> = [
{ name: 'id', label: 'ID', cell: (element: any) => `${element.id}` },
{ name: 'title', label: 'Title', cell: (element: any) => `${element.title}` },
{ name: 'state', label: 'State', cell: (element: any) => `${element.state}` },
{ name: 'url', label: 'Url', cell: (element: any) => `${element.url}`},
{ name: 'created_at', label: 'Created at', cell: (element: any) => `${element.created_at}`},
{ name: 'updated_at', label: 'Updated at', cell: (element: any) => `${element.updated_at}`},
]
// displayedColumns = ['id', 'title', 'state', 'url', 'created_at', 'updated_at', 'actions'];
displayedColumns = this.columns.map(x => x.name).concat(['actions']);


I didn't touch the components.css



enter image description here







angular angular-material mat-table






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edited Nov 16 '18 at 17:32









rhavelka

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730321










asked Nov 16 '18 at 16:33









Maria FinkelsteinMaria Finkelstein

141110




141110













  • Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

    – dmcgrandle
    Nov 16 '18 at 17:05











  • @dmcgrandle thanks, but it doesn't work

    – Maria Finkelstein
    Nov 16 '18 at 17:40



















  • Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

    – dmcgrandle
    Nov 16 '18 at 17:05











  • @dmcgrandle thanks, but it doesn't work

    – Maria Finkelstein
    Nov 16 '18 at 17:40

















Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

– dmcgrandle
Nov 16 '18 at 17:05





Try taking the spaces out of the name columns for 'url ', 'created_at ', etc.

– dmcgrandle
Nov 16 '18 at 17:05













@dmcgrandle thanks, but it doesn't work

– Maria Finkelstein
Nov 16 '18 at 17:40





@dmcgrandle thanks, but it doesn't work

– Maria Finkelstein
Nov 16 '18 at 17:40












1 Answer
1






active

oldest

votes


















1














I found the solution!!!



use cdkColumnDef and cdkHeaderCellDef instead of matColumnDef and mat-header-cell



<ng-container *ngFor="let column of columns; let colIndex = index" [cdkColumnDef]="column.name">
<mat-header-cell *cdkHeaderCellDef>{{ column.label }}</mat-header-cell>
<mat-cell *cdkCellDef="let row">{{ row[column.name] }}</mat-cell>
</ng-container>





share|improve this answer
























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    1 Answer
    1






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    oldest

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    active

    oldest

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    1














    I found the solution!!!



    use cdkColumnDef and cdkHeaderCellDef instead of matColumnDef and mat-header-cell



    <ng-container *ngFor="let column of columns; let colIndex = index" [cdkColumnDef]="column.name">
    <mat-header-cell *cdkHeaderCellDef>{{ column.label }}</mat-header-cell>
    <mat-cell *cdkCellDef="let row">{{ row[column.name] }}</mat-cell>
    </ng-container>





    share|improve this answer




























      1














      I found the solution!!!



      use cdkColumnDef and cdkHeaderCellDef instead of matColumnDef and mat-header-cell



      <ng-container *ngFor="let column of columns; let colIndex = index" [cdkColumnDef]="column.name">
      <mat-header-cell *cdkHeaderCellDef>{{ column.label }}</mat-header-cell>
      <mat-cell *cdkCellDef="let row">{{ row[column.name] }}</mat-cell>
      </ng-container>





      share|improve this answer


























        1












        1








        1







        I found the solution!!!



        use cdkColumnDef and cdkHeaderCellDef instead of matColumnDef and mat-header-cell



        <ng-container *ngFor="let column of columns; let colIndex = index" [cdkColumnDef]="column.name">
        <mat-header-cell *cdkHeaderCellDef>{{ column.label }}</mat-header-cell>
        <mat-cell *cdkCellDef="let row">{{ row[column.name] }}</mat-cell>
        </ng-container>





        share|improve this answer













        I found the solution!!!



        use cdkColumnDef and cdkHeaderCellDef instead of matColumnDef and mat-header-cell



        <ng-container *ngFor="let column of columns; let colIndex = index" [cdkColumnDef]="column.name">
        <mat-header-cell *cdkHeaderCellDef>{{ column.label }}</mat-header-cell>
        <mat-cell *cdkCellDef="let row">{{ row[column.name] }}</mat-cell>
        </ng-container>






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 16 '18 at 18:39









        Maria FinkelsteinMaria Finkelstein

        141110




        141110
































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