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Essential JS2

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How to update both dataSource and columns simultaneously in grid?

Platform: jQuery |
Control: ejGrid |
Published Date: September 17, 2018 |
Last Revised Date: September 17, 2018

This documentation explained how to update both dataSource and columns simultaneously in grid.

Solution

Usually grid column and datasource are updated using columns and dataSource methods respectively.

 

But updating those one after another will cause the DOM to update twice and in case of remote databinding in grid, it would send two requests to server-side. This can be optimized by using columns property instead of columns methods and then finally call dataSource method to provide the dataSource to Grid.

 

HTML

 

Js

1. Render the Grid control.

 

Razor

 

Controller


Aspx

 

Controller

 

Core

 

Controller

 

Button click event

2. Changed the Grid dataSource and columns

 

Angular 2

 

Typescript

 

The following output is displayed the above behavior

Fig1: Initial grid rendering

 

Fig2: After the button click

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