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1 vote
1 answer
92 views

Data is not rendered with mat-table [datasource] although it exists and is rendered with the "json" pipe

I am implementing a table with mat-table. I want to bind the data source to an array whose data is fetched by an API. When I fetch the data using httpclient and subscribe to the result, the table ...
Ebrahim Mansour's user avatar
1 vote
1 answer
1k views

cdk virtual scroll issue when ever scrolling it down items are getting displayed slowly and sometimes blank for 2 secs

i am using angular virtual scroll in project so when ever i am scrolling it down items are loading but flickering for micro sec trying with maxBufferPx and minBufferPx and positions to fix but not ...
venu dev's user avatar
0 votes
1 answer
717 views

Angular 7 - How to implement sorting in mat-table

I am trying to implement sorting in <mat-table> using Angular version 7.3. Below is my source code: <table mat-table [dataSource]='dataSource'> <ng-container matColumnDef="...
CoderInUi's user avatar
  • 136
-1 votes
1 answer
376 views

Problem with drag and drop and creating new element in html

im trying to implement a dinamic drag and drop (angular-material) in angular 7. The case is this: I have multiples objects in a expansion panel with "Priority", i want to move that objects ...
Felipe Roman Zegers's user avatar
1 vote
0 answers
926 views

show previous month dates at the starting of current month [duplicate]

I just started with angular material and I came across using date-picker from angular material 7 and I want to know if is there any way to show previous month dates (as greyed out) in current month ...
Meet Patel's user avatar
0 votes
1 answer
299 views

Value of count rows variable give me undefined although I assign it?

I work on angular 7 I face issue count rows variable give me undefined value although returned data is 3 Expected result I need is Count rows must equal 3 public Countrows:Number; ngOnInit(): void { ...
ahmed barbary's user avatar
0 votes
2 answers
3k views

How to call web API return Boolean from angular 7?

I work on angular 7 I face issue I can't call web API return Boolean from angular 7 so how call web API on angular 7 return true or false [HttpGet] [Route("CompareExcel/SelectedOptions&...
ahmed barbary's user avatar
1 vote
0 answers
186 views

How to drag and drop between two separate angular components (not under the same parent)?

i'm new to angular and i need to drag and drop between two components (sidebar component and another component) . I tried to use CDK drag and drop but cdkDropListConnectedTo and cdkDropListGroup works ...
nooby's user avatar
  • 11
0 votes
1 answer
319 views

MatTableDataSource return a promise for ~ 7000 lines

I have a problem when try to put a lot of data in mattabledatasource, I want at leas to display a loader but I don't know when data is already set. I try to use a promise like that : return new ...
GPiter's user avatar
  • 789
0 votes
0 answers
919 views

Multiple mat-header-rows not working with version 5.x angular material

I am trying to have multiple headers as shown in https://stackblitz.com/edit/angular-bklajw-aazxkz?file=app%2Ftable-basic-example.html version of material: "@angular/material": "5.2.x&...
Kavvya Ramarathnam's user avatar
0 votes
1 answer
6k views

Angular mat-checkbox indeterminate not behaving as expected

I'm using Angular 7 and Angular Material 7.3.7, and I'm trying to create an unordered list of mat-checkbox. I am experiencing inconsistent behavior, where the indeterminate is not always showing when ...
Beau Forest's user avatar
0 votes
1 answer
155 views

How to get string[] array of unique item properties from Observable in angular2?

I am getting an Observable. each item have ItemType. items.ItemType have duplicates like Electronics, Household, Electronics. I need a string array having unique ItemType and then select item from ...
Ron Bush's user avatar
2 votes
0 answers
117 views

Is there any method for implementing scroll for cdk drag drop

I have implemented cdk drag and drop in my application. I am working in angular 7. Angular material version is 7.3.7 and cdk version is 7.3.7. My problem is while dragging a item in cdkDropList, if ...
ADARSH K's user avatar
  • 616
0 votes
0 answers
191 views

Angular 7 Material autocomplete options not shown

I'm using the exact code from the angular page, with the only difference being I'm using Angular 7 and @angular/material 7. component.html: <!-- added to see that value is changing --> <li *...
matchifang's user avatar
  • 5,380
0 votes
2 answers
5k views

mat table paginator and sorting issue for dynamic data

I am trying to implement mat table , problem is its sorting and paginator is not working , i have gone through all questions related same but unable to fix it . If I am getting 10 records it shows ...
nhi's user avatar
  • 19

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