Blazor ChunkProgressBar Overview
The Blazor ChunkProgressBar component tracks the execution of operations and displays what portion of it is completed in predefined number of sections (chunks). For very long tasks, you can also make it indeterminate while waiting for an update.
The ChunkProgressBar component is part of Telerik UI for Blazor, a
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Basic ChunkProgressBar
To use the Telerik ChunkProgressBar in your Blazor application:
- add the
<TelerikChunkProgressBar>tag. - set its
ValueandMaxparameters to denote how much is completed.- You can read more about the relationship between them in the Chunk Count, Value and MaxValue section.
@*Basic configuration of the ChunkProgressBar*@
<TelerikChunkProgressBar Value="@ChunkProgressBarValue" Max="@MaxValue" />
@code {
public double MaxValue { get; set; } = 5;
public double ChunkProgressBarValue { get; set; } = 3;
}
Component namespace and reference
<TelerikChunkProgressBar Value="@ChunkProgressBarValue" Max="@MaxValue" @ref="@MyChunkProgressBar" />
@code {
Telerik.Blazor.Components.TelerikChunkProgressBar MyChunkProgressBar { get; set; }
public double MaxValue { get; set; } = 10;
public double ChunkProgressBarValue { get; set; } = 3;
}
Features
The ChunkProgressBar provides the following features:
-
Class- the CSS class that will be rendered on the main wrapping element. You can use it to cascade styles more easily. -
Max-double, defaults to100- the maximum value of the ChunkProgressBar. It must be greater than0. -
Value-double- the value of the ChunkProgressBar. This value indicates the progress of the tracked process and is distributed in the chunks (sections) of the ChunkProgressBar. It is a fraction of theMax. Read mode in the Chunk Count, Value and MaxValue section. -
ChunkCount-unsigned int, defaults to5- the number of chunks the ChunkProgressBar will be separated into. -
Orientation- you can control the orientation of the Progress Bar, through theProgressBarOrientationenum, with members:-
Horizontal- this is the default value Vertical
-
-
Indeterminate-bool, defaults tofalse- see the Indeterminate article for more information.
Chunk Count, Value and MaxValue
The following examples explain how the three parameters of the component tie together to determine how many chunks are filled in.
Matching Values for the Max and ChunkCount Parameters
When the Max and ChunkCount parameters match in value, the Value parameter represents the number of chunks that are hightlighted.
<TelerikChunkProgressBar Value="2"
Max="3"
ChunkCount="3">
</TelerikChunkProgressBar>
The result from the code snippet above
Non-matching Value for the Max and ChunkCount Parameters
Each chunk (section) represents an equal part of the maximum value (Max/ChunkCount). So, when the Max and ChunkCount parameters do not match in value, the Value parameter highlights the number of chunks that is less than or equal (<=) to the full fractions that it represents.
In the example below each chunk is "worth" 10 / 4 = 2.5. The Value is 3 so the full chunks this covers is 3 / 2.5 = 1.2, so 1 chunk will be highlighted. If the Value is set to 4, one chunk will remain highlighted, a second chunk will be highlighted when the Value becomes 5.
<TelerikChunkProgressBar Value="3"
Max="10"
ChunkCount="4">
</TelerikChunkProgressBar>
The result of the code snippet above
Examples
Responsive ProgressBar
The progress bar will resize with the parent element dimensions when you set its width to 100%
<div style="width: 50%; border: 1px solid red;">
<style>
.width-100 {
width: 100%;
}
</style>
<TelerikChunkProgressBar Class="width-100" Value="44" />
</div>