If after adding a new item to a grid with inline edit the save button is double-clicked (e.g. by accident) two new items are added instead of one. Right now, the only way to prevent this seems to be to check if an item is already contained in GridData at the top of the OnCreate-Handler and cancel if necessary.  If a unique ID is not available yet (because it is created by the database when saving at the end of the handler) this means every Property has to be compared to check for equality.  This is very annoying.

Please add a parameter "DisableWhileBeingHandled" to TelerikButtons and make this the default for the CommandButtons in a Grid. The Buttons should only accept clicks if the previous handling is finished.

Kind regards,

René

The Locked column content is misplaced, it is not matching the column header and that breaks the layout of the other columns as well.

When you scroll to right, the Locked column should stick to the leftmost side of the Grid . However, at some point its content is even missing.

Here is the scenario and how to reproduce the issue:

1. A Grid with a horizontal scrollbar. All columns have explicit widths, according to requirements.
2. The first 3 columns are locked (frozen).
3. Make the frozen columns 1 - 3 smaller. Save the Grid state.
4. Refresh the page and restore the Grid state in OnStateInit.
5. Scroll the non-frozen columns to see how the frozen columns are positioned, according to their previous larger widths. Now there are gaps between these columns.
6. The reverse issue occurs if the frozen columns are expanded in (3). Then, after state restore they overlap.

When you shrink a Grid column, ellipsis is rendered to represent the clipped text. However, at some point of resizing the Column menu and Filter menu indicators are overlapping the Grid column header text.

==========

ADMIN EDIT

==========

In the meantime, a possible workaround would be to use some custom CSS to add right padding to the k-link span, so it does not get overlapped by the column menu icon. That padding should be approximately as wide as the span holding the column menu icon. You can also set a custom CSS class to the Grid through its Class parameter to make sure you are styling this exact instance of the Grid and not all instances on the page/app. The example below demonstrates how to achieve the described approach.

<style>
    .my-grid .k-link {
        padding-right: 40px;
    }
</style>

<TelerikGrid Data="@MyData"
             Class="my-grid"
             Pageable="true"
             PageSize="5"
             FilterMode="@GridFilterMode.FilterMenu"
             Sortable="true"
             Resizable="true"
             ShowColumnMenu="true">
    <GridColumns>
        <GridColumn Field="@(nameof(SampleData.Id))" Width="80px" />
        <GridColumn Field="@(nameof(SampleData.Name))" Title="Employee Name"/>
        <GridColumn Field="@(nameof(SampleData.Team))" Title="Team" />
        <GridColumn Field="@(nameof(SampleData.HireDate))" Title="Hire Date" />
    </GridColumns>
</TelerikGrid>

@code {
    public IEnumerable<SampleData> MyData = Enumerable.Range(1, 30).Select(x => new SampleData
    {
        Id = x,
        Name = "name " + x,
        Team = "team " + x % 5,
        HireDate = DateTime.Now.AddDays(-x).Date
    });

    public class SampleData
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Team { get; set; }
        public DateTime HireDate { get; set; }
    }
}

Add a setting similar to the AllowUnsort so that I can disable the unsorted state of the Grid.

ADMIN EDIT:

Here is how to achieve this with the Grid state.

When I lock a column that has a footer, the footer should be locked too.

Column virtualization is enabled.

Hello, 

After just a sort operation, in the event handler of OnStateChanged event, the FilterDescriptors of GridStateEventArgs.GridState is not empty. 

Steps to reproduce : 

1) Implement Grid with OnStateChanged and OnRead : 

<TelerikGrid 
             OnStateChanged="@((GridStateEventArgs<IGetAgences_Agences_Items> args) => OnStateChangedHandler(args))"
             OnRead=@ReadItems

    async Task OnStateChangedHandler(GridStateEventArgs<IGetAgences_Agences_Items> args)
    {
        var filters = args.GridState.FilterDescriptors; // filters are not empty after just a sort opration
      
    }

    async Task ReadItems(GridReadEventArgs args)
    {

        this.LoadData()

        await InvokeAsync(StateHasChanged);
    }

2) Sort a column 

3) The OnStateChanged event is fire

4) In the OnStateChangedHandler,  the filters are not empty : 

Expected behaviors :

If no filters added, the filters of the GridState must be empty 

Thank's

Thomas

Currently, when navigation is used with virtual columns and locked columns, clicking on a cell, scrolls the cell to the center. The behavior was designed to have consistent interaction with either mouse, or keyboard. However, for mouse interaction such scrolling and changing the cell position according to the mouse cursor is not intuitive.

This bug report will target the scenario with mouse click for cells that are not overlapped by locked columns - they will not be scrolled to the center.

In a grouped Grid with editing if I collapse all groups and then expand one to edit an item in it, once I press Enter to complete the editing all groups expand.

Please add option for persisting the Collapsed State of the groups.

---

TELERIK EDIT


The feature applies to the other data operations as well (for example, paging, sorting).

Here is how to maintain the collapsed groups after editing by using the Grid OnStateChanged event and the Grid state as a whole:

@using Telerik.DataSource

<TelerikGrid @ref="@GridRef"
             Data="@GridData"
             TItem="@Employee"
             Pageable="true"
             Sortable="true"
             Groupable="true"
             FilterMode="GridFilterMode.FilterRow"
             OnStateInit="@OnGridStateInit"
             OnStateChanged="@OnGridStateChanged"
             EditMode="@GridEditMode.Inline"
             OnUpdate="@OnGridUpdate">
    <GridColumns>
        <GridColumn Field="@nameof(Employee.Name)" />
        <GridColumn Field="@nameof(Employee.Team)" />
        <GridColumn Field="@nameof(Employee.Salary)" />
        <GridColumn Field="@nameof(Employee.OnVacation)" />
        <GridCommandColumn>
            <GridCommandButton Command="Save" Icon="@SvgIcon.Save" ShowInEdit="true">Update</GridCommandButton>
            <GridCommandButton Command="Edit" Icon="@SvgIcon.Pencil">Edit</GridCommandButton>
            <GridCommandButton Command="Cancel" Icon="@SvgIcon.Cancel" ShowInEdit="true">Cancel</GridCommandButton>
        </GridCommandColumn>
    </GridColumns>
</TelerikGrid>

@code {
    private TelerikGrid<Employee>? GridRef { get; set; }

    private List<Employee> GridData { get; set; } = new();

    private ICollection<int>? GridCollapsedGroups { get; set; }

    private void OnGridUpdate(GridCommandEventArgs args)
    {
        var updatedItem = (Employee)args.Item;
        var originalItemIndex = GridData.FindIndex(x => x.Id == updatedItem.Id);

        if (originalItemIndex >= 0)
        {
            GridData[originalItemIndex] = updatedItem;
        }

        GridCollapsedGroups = GridRef!.GetState().CollapsedGroups;
    }

    private async Task OnGridStateChanged(GridStateEventArgs<Employee> args)
    {
        if (args.PropertyName == "EditItem" && GridCollapsedGroups != null)
        {
            args.GridState.CollapsedGroups = GridCollapsedGroups;

            await GridRef!.SetStateAsync(args.GridState);

            GridCollapsedGroups = default;
        }
    }

    private void OnGridStateInit(GridStateEventArgs<Employee> args)
    {
        args.GridState.GroupDescriptors = new List<GroupDescriptor>();

        args.GridState.GroupDescriptors.Add(new GroupDescriptor()
        {
            Member = nameof(Employee.Team),
            MemberType = typeof(string)
        });
    }

    protected override void OnInitialized()
    {
        for (int i = 1; i <= 20; i++)
        {
            GridData.Add(new Employee()
            {
                Id = i,
                Name = $"Name {i}",
                Team = $"Team {i % 4 + 1}",
                Salary = (decimal)Random.Shared.Next(1000, 3000),
                OnVacation = i % 3 == 0
            });
        }
    }

    public class Employee
    {
        public int Id { get; set; }
        public string Name { get; set; } = string.Empty;
        public string Team { get; set; } = string.Empty;
        public decimal Salary { get; set; }
        public bool OnVacation { get; set; }
    }
}

If you reorder a column and then lock it, visually it looks locked and the functionality for a locked column is correctly supported.

However, the Locked property of the ColumnStates in Grid State for that column remains "false". Locked = "true" is applied based on the initial column position.

Description

When the Grid/TreeList is in incell edit mode and you finish editing a cell by pressing "Enter", the focus is lost if the next cell to be edited is not editable.

Reproduction (if bug)

Steps to reproduce:

1. Use the code

@using System.ComponentModel.DataAnnotations;

<TelerikGrid Data="@forecasts"
             Height="550px"
             FilterMode="@GridFilterMode.FilterMenu"
             Sortable="true"
             Pageable="true"
             PageSize="20"
             Groupable="true" Resizable="true"
             Reorderable="true"
             EditMode="@GridEditMode.Incell">
    <GridColumns>
        <GridColumn Field="Id" Title="Id" Width="100px" Editable="false" Groupable="false" />
        <GridColumn Field="Summary" Id="summary" Title="telerik bind-Value">
            <Template>
                @{
                    var model = context as WeatherForecast;
                    <span>@model.Summary</span>
                }
            </Template>
            <EditorTemplate>
                @{
                    var model = context as WeatherForecast;
                    if (model.CanEdit)
                    {
                        <TelerikTextBox @bind-Value="@model.Summary"></TelerikTextBox>
                    }
                    else
                    {
                        @model.Summary
                    }

                }
            </EditorTemplate>

        </GridColumn>

    </GridColumns>
</TelerikGrid>

@code {
    List<WeatherForecast> forecasts { get; set; }

    protected override void OnInitialized()
    {
        forecasts = WeatherForecast.GetForecastList();
    }

    public class WeatherForecast
    {
        public int Id { get; set; }

        public string Summary { get; set; }

        public bool CanEdit { get; set; }


        static public List<WeatherForecast> GetForecastList()
        {
            var rng = new Random();
            return Enumerable.Range(1, 150).Select(index => new WeatherForecast
            {
                Id = index,
                Summary = Summaries[rng.Next(Summaries.Length)],
                CanEdit = index % 3 != 0

            }).ToList();

        }

        private static readonly string[] Summaries = new[]
        {
            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
        };
    }
}

2. Click on the second column of row 1.
3. After the cell editor is opened, press "Enter"

Current (if bug)

The focus is lost

Expected (if bug)

The focus should not be lost

Browser (if bug)

All

Project type (if bug)

All

Broken Telerik UI for Blazor version (if bug)

x.y.z

Last working version of Telerik UI for Blazor (if regression)

x.y.z

Telerik input components inside EditorTemplate render the whole grid on each keystroke

<AdminEdit>

As a workaround, you can use the standard Input components provided by the framework together with a CSS class that would visually make them like the Telerik Input Components. An example for the TextArea:

<InputTextArea class="k-textarea" @bind-Value="@myValue"></InputTextArea>

</AdminEdit>

Problem:

Grid exports columns as 0 width unless Grid column widths are specified in px.  This is a terrible experience for users, and specifying grid width in px is terrible when you have users that can be using phones or 4k screens.  Managing Grid for different screen sizes is already hard enough! 

Solution 1: (Good)

The grid should export a default (64px) width for columns that aren't specified in px. Inexperienced Excel users are lost when columns are collapsed, but can easily resize columns as needed when each one is visible!

Solution 2: (Better)

Calculate a width - like [(rem value)*10]px. Even if it isn't perfect it will go a long way to creating something visually pleasing on initial open in Excel.

OnChange and OnBlur event for editors (TelerikTextBox, NumericTextBox, and others) is not fired in InCell edit mode with Tab key.

We often have grid data with a widely varying quantity of cell content from row to row. We usually present this with constant row height initially to have as much row overview as possible at a glance.

Grabbing the row divider line and individually make it larger or even double click on it to fit the size would be very useful for users.