Blazor-ApexCharts | A blazor wrapper for ApexCharts.js | Chart library
kandi X-RAY | Blazor-ApexCharts Summary
kandi X-RAY | Blazor-ApexCharts Summary
Blazor-ApexCharts
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Blazor-ApexCharts
Blazor-ApexCharts Key Features
Blazor-ApexCharts Examples and Code Snippets
@page "/datetime-chart"
DateTime Chart
@code {
private ApexChartOptions options = new ApexCharts.ApexChartOptions();
private SelectedData selectedData;
protected override vo
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QUESTION
I have created a simple bar chart component using Apex Chart in blazor. But I got this error message.
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: Value cannot be null. (Parameter 'source')
System.ArgumentNullException: Value cannot be null. (Parameter 'source')
at System.Linq.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
at System.Linq.GroupedEnumerable2[[BlazorApexCharts.Docs.Order, BlazorApexCharts.Docs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[System.Object, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]..ctor(IEnumerable
1 source, Func2 keySelector, IEqualityComparer
1 comparer)
at System.Linq.Enumerable.GroupBy[Order,Object](IEnumerable1 source, Func
2 keySelector)
at ApexCharts.ApexPointSeries1[[BlazorApexCharts.Docs.Order, BlazorApexCharts.Docs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].GetData() in ..\ApexChart\Blazor-ApexCharts\src\Blazor-ApexCharts\Series\ApexPointSeries.cs:line 74 at ApexCharts.ApexChart
1[[BlazorApexCharts.Docs.Order, BlazorApexCharts.Docs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].SetSeries() in ..\ApexChart\Blazor-ApexCharts\src\Blazor-ApexCharts\ApexChart.razor.cs:line 222
at ApexCharts.ApexChart1.d__55[[BlazorApexCharts.Docs.Order, BlazorApexCharts.Docs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext() in ..\ApexChart\Blazor-ApexCharts\src\Blazor-ApexCharts\ApexChart.razor.cs:line 203 at ApexCharts.ApexChart
1.d__44[[BlazorApexCharts.Docs.Order, BlazorApexCharts.Docs, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].MoveNext() in ..\ApexChart\Blazor-ApexCharts\src\Blazor-ApexCharts\ApexChart.razor.cs:line 46
BarChart Component Code
...ANSWER
Answered 2021-Dec-07 at 05:47You are providing a null Object, Which is not supported by the library. You should initialize the Orders variable like this:
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