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By default, a column is created for each field of a data source object, but in most cases, it is redundant.
To specify a set of columns to be created in a grid, assign an array specifying these columns to the columns option.
Data Grid Demo Tree List Demo This option set to true makes the widget hide certain columns automatically if all the columns do not fit the widget's width. These are the rightmost (leftmost if rtl Enabled is true) columns by default.
Information from hidden columns is available in an adaptive detail row.
Initially, columns appear in the order specified by the columns array.
If you skip specifying this array, columns will mirror the order of fields in the first object from the data Source.
Each grid column is represented in this array by an object containing column settings or by a data source field that this column is bound to.
Detailed information on specifying grid columns is given in the Columns Overview article.
When you enable column fixing, command columns become fixed automatically.
Column options define the behavior and appearance of a grid column.
One of the other capabilities allows you to control the sorting of column values using the allow Sorting and sort Order options, apply a filter to grid records using the allow Filtering and filter Operations options, and group grid records using the allow Grouping and group Index options.
If you fetch data from the server, some operations with data can be executed remotely, while others - locally.
If you perform basic operations (sorting, filtering, and paging) remotely and advanced operations (grouping and summary calculation) locally, certain user actions will force Data Grid to query the server for data repeatedly despite caching being enabled.
Then, the widget takes data from this cache when performing such operations as sorting, grouping, paging, etc.