Is it feasible to modify the background color of rows in a Kendo Telerik grid when a filter is implemented within an ASP.NET MVC application?
Is it feasible to modify the background color of rows in a Kendo Telerik grid when a filter is implemented within an ASP.NET MVC application?
The Grid component in Kendo provides a convenient option to alter the display of TR elements through the rowTemplate feature. However, utilizing this functionality necessitates managing the entire row creation process:
columns: [{
title: "Id",
field: "Id"
}],
rowTemplate: kendo.template($("#grid-template").html()),
filter: function() {
rowAlt = 0; // Global variable declaration
}
Here is the template structure:
<script id="grid-template" type="text/x-kendo-template">
# let filter = $("\#grid").data("kendoGrid").dataSource.filter();
#<tr class='#
if (++rowAlt % 2 == 0) {
#k-alt #
}
if (filter != null) {
#filtered-row#
}
#'><td>#=data.Id#</td>#
#<tr>##
</script>
View the Demo for practical implementation.
An alternate approach involves customizing the grid's appearance externally, as suggested by other users. This simplifies the initialization process and manages styling post-rendering within the dataBound event:
filterable: true,
columns: [{
title: "Id",
field: "Id"
}],
dataBound: function() {
window.setTimeout(function() {
if (this.dataSource.filter()) {
this.tbody.find("tr").addClass("filtered-row");
}
}.bind(this), 1);
}
Check out the Demo showcasing this method.
Note: The use of setTimeout in the code snippet above addresses instances where the dataBound event may trigger before HTML element rendering completion.
In both examples provided, I incorporated a background color change for filtered rows, with conditions based on the result object of dataSource.filter(), which contains all filter settings.
An interesting approach is to create a custom function that examines the filters applied to a Kendo grid. From there, you can iterate through each row in the grid and modify the background color of the nearest element based on your desired criteria.
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