Exception on grid sorting

[Jawaid]

I get following exception when I click column to sort,

System.InvalidOperationException: No generic method 'OrderBy' on type 'System.Linq.Queryable' is compatible with the supplied type arguments and arguments. No type arguments should be provided if the method is non-generic

here is my code

@page "/roles"

@using CMSAdmin.Shared

@using Syncfusion.EJ2.RazorComponents

@using Syncfusion.EJ2.RazorComponents.Grids

@using Syncfusion.EJ2.RazorComponents.Inputs

@using Syncfusion.EJ2.RazorComponents.Popups

@inject HttpClient Http

@if (roles == null)

{

    <p><em>Loading...</em></p>

}

else

{

    <EjsGrid id="Grid" DataSource="@roles" AllowSorting="true">

    <GridColumns>

        <GridColumn Field=@nameof(Role.Id) HeaderText="Id" Visible="false" AllowSorting="true" ></GridColumn>

        <GridColumn Field=@nameof(Role.Name) HeaderText="Role" AllowSorting="true" ></GridColumn>

        <GridColumn Field=@nameof(Role.Description) HeaderText="Description" AllowSorting="false" ></GridColumn>

        <GridColumn Field=@nameof(Role.IsActive) HeaderText="Is Active" AllowSorting="false" ></GridColumn>

    </GridColumns>

</EjsGrid>

}

@functions {

    //Role[] roles;

    IList<Role> roles;

    EjsGrid defaultGrid;

    protected override async Task OnInitAsync()

    {

        roles = await Http.GetJsonAsync<IList<Role>>("api/roles");

    }

}

[Hariharan J V]

Hi Jawaid, 

  

Thanks for contacting Syncfusion support. 

  

We have checked your query and tried to reproduce the issue, but it the sorting is working fine at our end. We have prepared a sample where you can sort the columns without any issue. Please refer the below code snippet and sample link. 

  

[Index.razor] 

@page "/" 

  

<h1>Hello, world!</h1> 

  

Welcome to your new app. 

  

<SurveyPrompt Title="How is Blazor working for you?" /> 

  

@using Syncfusion.EJ2.RazorComponents.Grids; 

@using WebApplication1.Shared.Models; 

@using Syncfusion.EJ2.RazorComponents.TreeGrid; 

  

@inject HttpClient  client 

  

<EjsGrid id="Grid" ref="@grid" DataSource="@data" AllowSorting="true"> 

        <GridColumns> 

            <GridColumn Field="@nameof(Employee.EmployeeID)" HeaderText="Order ID" ISPrimaryKey="true" TextAlign="@Syncfusion.EJ2.RazorComponents.Grids.TextAlign.Right" Width="90" AllowSorting="true"></GridColumn> 

            .   .  .  . 

            <GridColumn Field="@nameof(Employee.City)" HeaderText="City" Width="150" AllowSorting="false"></GridColumn> 

        </GridColumns> 

    </EjsGrid> 

  

@functions{ 

    Employee[] data; 

  

    EjsGrid grid; 

  

    protected override async Task OnInitAsync() 

    { 

        this.data = await client.GetJsonAsync<Employee[]>("api/Default"); 

        StateHasChanged(); 

        this.grid.DataBind(); 

    } 

} 

  

  

Sample : http://www.syncfusion.com/downloads/support/directtrac/general/ze/WebApplication12021175598  

  

If you are still facing the issue please provide the below details that will be helpful for us to provide a better solution as early as possible. 

  

1. Share the stack trace of the exception.
2. Share the reproducible sample/video demo of the issue.

  

Regards, 

Hariharan