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Display Custom Tooltip in DataGrid cell in Blazor DataGrid component

14 Apr 2021 / 2 minutes to read

You can display custom tooltip in Grid column using Column Template feature by rendering the SfTooltip components inside the template.

This is demonstrated in the below sample code we have render the tooltip for FirstName column using Column Template.

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@using Syncfusion.Blazor.Grids
@using Syncfusion.Blazor.Popups

<SfGrid DataSource="@Employees">
        <GridColumn Field=@nameof(EmployeeData.EmployeeID) HeaderText="Employee ID" TextAlign="TextAlign.Right" Width="120"></GridColumn>
        <GridColumn Field=@nameof(EmployeeData.FirstName) HeaderText="First Name" Width="130">
                    var employee = (context as EmployeeData);
                    <SfTooltip Target="#txt" @key="@Count">
                        <span id="txt">@employee.FirstName</span>
        <GridColumn Field=@nameof(EmployeeData.Title) HeaderText="Title" Width="120"></GridColumn>
        <GridColumn Field=@nameof(EmployeeData.HireDate) HeaderText="Hire Date" Format="d" TextAlign="TextAlign.Right" Width="150"></GridColumn>

    public List<EmployeeData> Employees { get; set; }

    int Count { get; set; } = 0;

    protected override void OnInitialized()
        Employees = Enumerable.Range(1, 9).Select(x => new EmployeeData()
            EmployeeID = x,
            FirstName = (new string[] { "Nancy", "Andrew", "Janet", "Margaret", "Steven" })[new Random().Next(5)],
            LastName = (new string[] { "Davolio", "Fuller", "Leverling", "Peacock", "Buchanan" })[new Random().Next(5)],
            Title = (new string[] { "Sales Representative", "Vice President, Sales", "Sales Manager",
                                    "Inside Sales Coordinator" })[new Random().Next(4)],
            HireDate = DateTime.Now.AddDays(-x),

    public class EmployeeData
        public int? EmployeeID { get; set; }
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public string Title { get; set; }
        public DateTime? HireDate { get; set; }