Virtualization in Blazor Gantt Chart Component
31 Oct 202524 minutes to read
Virtual scrolling in the Blazor Gantt Chart improves performance by rendering only visible rows, columns, and timeline segments, reducing DOM operations for large datasets or extended timelines. Row virtualization handles large task volumes (e.g. displaying 10,000 tasks in a project), timeline virtualization loads timeline cells on-demand during horizontal scrolling (e.g. navigating multi-year timelines), and column virtualization renders only the columns currently in view. These techniques enable efficient and scalable project management.
Configure row virtualization
Row virtualization, enabled by setting EnableRowVirtualization to true, renders only tasks visible in the Gantt’s viewport, determined by the Height property in pixels (e.g., “450px”). All tasks are fetched initially but rendered on-demand during vertical scrolling, reducing load times for large datasets. For example, a project with 10,000 tasks renders only the 50 visible tasks, improving performance. Ensure the Height property is set explicitly to control the viewport size.
The following example enables row virtualization for a large dataset:
@using Syncfusion.Blazor.Gantt
<SfGantt DataSource="@TaskCollection" Height="450px" Width="100%" AutoCalculateDateScheduling="@autoCalculateDateScheduling" TreeColumnIndex="1" EnableRowVirtualization="true" ProjectStartDate="ProjectStartDate" ProjectEndDate="ProjectEndDate" Toolbar="@(new List<string>() { "Add", "Delete", "Edit", "ZoomIn", "ZoomOut" })" ScrollToTaskbarOnClick="true">
<GanttLabelSettings LeftLabel="TaskName" TValue="TaskData"></GanttLabelSettings>
<GanttTaskFields ParentID="ParentID" Work="Work" Id="ID" Name="TaskName" StartDate="StartDate" EndDate="EndDate" Duration="Duration" Progress="Progress" TaskType="TaskType" Dependency="Predecessor">
</GanttTaskFields>
<GanttColumns>
<GanttColumn Field="ID" HeaderText="TaskId" Width="100" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center"></GanttColumn>
<GanttColumn Field="TaskName" HeaderText="TaskName"></GanttColumn>
<GanttColumn Field="StartDate" HeaderText="Start Date"></GanttColumn>
<GanttColumn Field="EndDate" HeaderText="End Date"></GanttColumn>
<GanttColumn Field="Duration" HeaderText="Duration"></GanttColumn>
<GanttColumn Field="Assignee" HeaderText="Assignee"></GanttColumn>
<GanttColumn Field="Reporter" HeaderText="Reporter"></GanttColumn>
<GanttColumn Field="Progress" HeaderText="Progress" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center"></GanttColumn>
</GanttColumns>
<GanttEditSettings AllowAdding="true" AllowDeleting="true" AllowEditing="true" Mode="Syncfusion.Blazor.Gantt.EditMode.Auto" ShowDeleteConfirmDialog="true">
</GanttEditSettings>
<GanttSplitterSettings Position="40%"></GanttSplitterSettings>
</SfGantt>
@code {
private SfGantt<TaskData> Obj { get; set; }
private DateTime ProjectStartDate = new DateTime(2000, 1, 1);
private DateTime ProjectEndDate = new DateTime(2025, 12, 31);
private bool autoCalculateDateScheduling = false;
private List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = VirtualData.GetTreeVirtualData(1000);
}
public class VirtualData
{
public static List<TaskData> GetTreeVirtualData(int count)
{
List<TaskData> DataCollection = new List<TaskData>();
Random rand = new Random();
var x = 0;
int duration = 0;
DateTime startDate = new DateTime(2000, 1, 5);
DateTime endDate = new DateTime(2000, 1, 12);
string[] assignee = { "Allison Janney", "Bryan Fogel", "Richard King", "Alex Gibson" };
string[] reporter = { "James Ivory", "Jordan Peele", "Guillermo del Toro", "Gary Oldman" };
for (var i = 1; i <= count / 5; i++)
{
var name = rand.Next(0, 100);
TaskData Parent = new TaskData()
{
ID = ++x,
TaskName = "Task " + x,
StartDate = startDate,
EndDate = startDate.AddDays(26),
Duration = "20",
Assignee = "Mark Bridges",
Reporter = "Kobe Bryant",
Progress = 50,
};
DataCollection.Add(Parent);
for (var j = 1; j <= 4; j++)
{
startDate = startDate.AddDays(j == 1 ? 0 : duration + 2);
duration = 5;
DataCollection.Add(new TaskData()
{
ID = ++x,
TaskName = "Task " + x,
StartDate = startDate,
EndDate = startDate.AddDays(5),
Duration = duration.ToString(),
Assignee = assignee[j - 1],
Reporter = reporter[j - 1],
Progress = 50,
ParentID = Parent.ID,
});
}
}
return DataCollection;
}
}
public class TaskData
{
public int ID { get; set; }
public string TaskName { get; set; }
public DateTime? StartDate { get; set; }
public DateTime? EndDate { get; set; }
public string Duration { get; set; }
public string Assignee { get; set; }
public string Reporter { get; set; }
public int Progress { get; set; }
public int? ParentID { get; set; }
public string Predecessor { get; set; }
}
}Managing records count
By default, the number of records rendered per page will be twice the Gantt chart’s height. You can customize the row rendering count using the PageSize and OverscanCount properties. Here’s an explanation of these properties:
-
PageSize:
• ThePageSizeproperty determines the number of rows rendered per page in the Gantt Chart.
• It allows you to control how many rows are loaded and displayed at initial rendering and also while scrolling, helping to improve performance by reducing the number of DOM elements rendered. -
OverscanCount:
• TheOverscanCountproperty is used to render additional rows before and after the Gantt Chart’s current page rows.
• During both virtual scrolling and initial rendering, extra rows are rendered to provide a buffer around the current page area. This minimizes the need for frequent rendering during scrolling, providing a smoother user experience.
@using Syncfusion.Blazor.Gantt
<SfGantt @ref="GanttChart" PageSize="15" OverscanCount="5" ID="GanttContainer" EnableContextMenu="true" AllowFiltering="true" AllowSorting="true" DataSource="@TaskCollection" Height="450px" Width="100%" TreeColumnIndex="1" EnableRowVirtualization="true" EnableTimelineVirtualization="true" ProjectStartDate="ProjectStartDate" ProjectEndDate="ProjectEndDate"
Toolbar="@(new List<string>() { "Add", "Delete", "Edit","Cancel","ExpandAll","CollapseAll" })" ScrollToTaskbarOnClick="true">
<GanttLabelSettings LeftLabel="TaskName" TValue="TaskData"></GanttLabelSettings>
<GanttTaskFields ParentID="ParentID" Work="Work" Id="ID" Name="TaskName" StartDate="StartDate" EndDate="EndDate" Duration="Duration" Progress="Progress" TaskType="TaskType" Dependency="Predecessor">
</GanttTaskFields>
<GanttColumns>
<GanttColumn Field="ID" HeaderText="TaskId" Width="100" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center"></GanttColumn>
<GanttColumn Field="TaskName" HeaderText="TaskName"></GanttColumn>
<GanttColumn Field="StartDate" HeaderText="Start Date"></GanttColumn>
<GanttColumn Field="EndDate" HeaderText="End Date"></GanttColumn>
<GanttColumn Field="Duration" HeaderText="Duration"></GanttColumn>
<GanttColumn Field="Assignee" HeaderText="Assignee"></GanttColumn>
<GanttColumn Field="Reporter" HeaderText="Reporter"></GanttColumn>
<GanttColumn Field="Progress" HeaderText="Progress" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Center"></GanttColumn>
</GanttColumns>
<GanttEditSettings AllowAdding="true" AllowDeleting="true" AllowEditing="true" Mode="Syncfusion.Blazor.Gantt.EditMode.Dialog" AllowTaskbarEditing="true" ShowDeleteConfirmDialog="true">
</GanttEditSettings>
<GanttSplitterSettings Position="40%"></GanttSplitterSettings>
</SfGantt>
@code {
SfGantt<TaskData> GanttChart { get; set; }
private DateTime ProjectStartDate = new DateTime(2000, 1, 1);
private DateTime ProjectEndDate = new DateTime(2021, 12, 31);
public int Value { get; set; } = 1000;
private List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = VirtualData.GetTreeVirtualData(500);
}
public class VirtualData
{
public static List<TaskData> GetTreeVirtualData(int count)
{
List<TaskData> DataCollection = new List<TaskData>();
Random rand = new Random();
var x = 0;
int duration = 0;
DateTime startDate = new DateTime(2000, 1, 5);
DateTime endDate = new DateTime(2000, 1, 12);
string[] assignee = { "Allison Janney", "Bryan Fogel", "Richard King", "Alex Gibson" };
string[] reporter = { "James Ivory", "Jordan Peele", "Guillermo del Toro", "Gary Oldman" };
for (var i = 1; i <= count / 5; i++)
{
var name = rand.Next(0, 100);
TaskData Parent = new TaskData()
{
ID = ++x,
TaskName = "Task " + x,
StartDate = startDate,
EndDate = startDate.AddDays(26),
Duration = "20",
Assignee = "Mark Bridges",
Reporter = "Kobe Bryant",
Progress = rand.Next(100),
Predecessor = null
};
DataCollection.Add(Parent);
for (var j = 1; j <= 4; j++)
{
startDate = startDate.AddDays(j == 1 ? 0 : duration + 2);
duration = 5;
DataCollection.Add(new TaskData()
{
ID = ++x,
TaskName = "Task " + x,
StartDate = startDate,
EndDate = startDate.AddDays(5),
Duration = duration.ToString(),
Assignee = assignee[j - 1],
Reporter = reporter[j - 1],
Progress = rand.Next(100),
ParentID = Parent.ID,
Predecessor = j > 1 ? (x - 1) + "FS" : ""
});
}
}
return DataCollection;
}
}
public class TaskData
{
public int ID { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public string Duration { get; set; }
public string Assignee { get; set; }
public string Reporter { get; set; }
public int Progress { get; set; }
public int? ParentID { get; set; }
public string Predecessor { get; set; }
}
}Configure column virtualization
Column virtualization, enabled by setting EnableRowVirtualization and EnableColumnVirtualization to true, renders only the columns visible in the viewport while other columns are loaded on-demand during horizontal scrolling. This approach ensures high-performance rendering when working with a large number of columns.
@using Syncfusion.Blazor.Gantt
<SfGantt ID="Gantt" DataSource="@TaskCollection"
EnableRowVirtualization="true" EnableColumnVirtualization="true" Height="450px" Width="1000px">
<GanttTaskFields Id="ProjectId" Name="ProjectName" StartDate="ProjectStartDate" EndDate="ProjectEndDate" Duration="ProjectDuration" Progress="ProjectProgress" Dependency="Predecessor" ParentID="ParentID">
</GanttTaskFields>
<GanttColumns>
<GanttColumn Field="ProjectId" HeaderText="Task ID"></GanttColumn>
<GanttColumn Field="ProjectName" HeaderText="Task Name"> </GanttColumn>
<GanttColumn Field="ProjectStartDate" HeaderText="Start Date"></GanttColumn>
<GanttColumn Field="ProjectEndDate" HeaderText="End Date"></GanttColumn>
<GanttColumn Field="ProjectDuration" HeaderText="Duration"></GanttColumn>
<GanttColumn Field="Field1" HeaderText="Rebounds" Width="150"></GanttColumn>
<GanttColumn Field="FIELD2" HeaderText="Year" Width="150"></GanttColumn>
<GanttColumn Field="FIELD3" HeaderText="Stint" Width="150"></GanttColumn>
<GanttColumn Field="FIELD4" HeaderText="TMID" Width="150"> </GanttColumn>
<GanttColumn Field="FIELD5" HeaderText="LGID" Width="150"></GanttColumn>
<GanttColumn Field="FIELD6" HeaderText="GP" Width="150"></GanttColumn>
<GanttColumn Field="Field7" HeaderText="GS" Width="150"></GanttColumn>
<GanttColumn Field="Field8" HeaderText="Minutes" Width="150"></GanttColumn>
<GanttColumn Field="Field9" HeaderText="Points" Width="150"></GanttColumn>
<GanttColumn Field="Field10" HeaderText="ORebounds" Width="150"></GanttColumn>
<GanttColumn Field="Field11" HeaderText="DRebounds" Width="150"></GanttColumn>
</GanttColumns>
</SfGantt>
@code {
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = VirtualData.GetTreeVirtualData();
}
public class VirtualData
{
public static List<TaskData> GetTreeVirtualData()
{
string[] Names = new string[] { "VINET", "TOMSP", "HANAR", "VICTE", "SUPRD", "HANAR", "CHOPS", "RICSU", "WELLI", "HILAA", "ERNSH", "CENTC", "OTTIK", "QUEDE", "RATTC", "ERNSH", "FOLKO", "BLONP", "WARTH", "FRANK", "GROSR", "WHITC", "WARTH", "SPLIR", "RATTC", "QUICK", "VINET", "MAGAA", "TORTU", "MORGK", "BERGS", "LEHMS", "BERGS", "ROMEY", "ROMEY", "LILAS", "LEHMS", "QUICK", "QUICK", "RICAR", "REGGC", "BSBEV", "COMMI", "QUEDE", "TRADH", "TORTU", "RATTC", "VINET", "LILAS", "BLONP", "HUNGO", "RICAR", "MAGAA", "WANDK", "SUPRD", "GODOS", "TORTU", "OLDWO", "ROMEY", "LONEP", "ANATR", "HUNGO", "THEBI", "DUMON", "WANDK", "QUICK", "RATTC", "ISLAT", "RATTC", "LONEP", "ISLAT", "TORTU", "WARTH", "ISLAT", "PERIC", "KOENE", "SAVEA", "KOENE", "BOLID", "FOLKO", "FURIB", "SPLIR", "LILAS", "BONAP", "MEREP", "WARTH", "VICTE", "HUNGO", "PRINI", "FRANK", "OLDWO", "MEREP", "BONAP", "SIMOB", "FRANK", "LEHMS", "WHITC", "QUICK", "RATTC", "FAMIA" };
List<TaskData> DataCollection = new List<TaskData>();
Random random = new Random();
var x = 0;
for (var i = 1; i <= 100; i++)
{
var name = random.Next(0, 100);
TaskData Parent = new TaskData()
{
ProjectId = ++x,
ProjectName = "Task " + x,
ProjectStartDate = new DateTime(2022, 1, 9),
ProjectEndDate = new DateTime(2022, 1, 13),
ProjectDuration = "10",
ProjectProgress = 50,
ParentID = null,
Predecessor = null,
};
DataCollection.Add(Parent);
for (var j = 1; j <= 50; j++)
{
var childName = random.Next(0, 100);
DataCollection.Add(new TaskData()
{
ProjectId = ++x,
ProjectName = "Task " + x,
ProjectStartDate = new DateTime(2022, 1, 9),
ProjectEndDate = new DateTime(2022, 1, 13),
ProjectDuration = "10",
ProjectProgress = 50,
ParentID = Parent.ProjectId,
Predecessor = i + "FS",
Field1 = Names[name],
FIELD2 = 1967 + 10,
FIELD3 = 395 + 600,
FIELD4 = 87 + 250,
FIELD5 = 410 + 600,
FIELD6 = 67 + 250,
Field7 = (int)Math.Floor(10 * 100.0),
Field8 = (int)Math.Floor(15 * 10.0),
Field9 = (int)Math.Floor(20 * 10.0),
Field10 = (int)Math.Floor(25 * 100.0),
Field11 = (int)Math.Floor(30 * 100.0),
Field12 = (int)Math.Floor(35 * 1000.0),
});
}
}
return DataCollection;
}
}
public class TaskData
{
public int ProjectId { get; set; }
public string ProjectName { get; set; }
public DateTime? ProjectStartDate { get; set; }
public DateTime? ProjectEndDate { get; set; }
public string ProjectDuration { get; set; }
public int ProjectProgress { get; set; }
public int? ParentID { get; set; }
public string Predecessor { get; set; }
public string Field1 { get; set; }
public int FIELD2 { get; set; }
public int FIELD3 { get; set; }
public int FIELD4 { get; set; }
public int FIELD5 { get; set; }
public int FIELD6 { get; set; }
public int Field7 { get; set; }
public int Field8 { get; set; }
public int Field9 { get; set; }
public int Field10 { get; set; }
public int Field11 { get; set; }
public int Field12 { get; set; }
}
}NOTE
Column’s Width is required for column virtualization. If the column’s width is not defined, then the Gantt Chart will consider its value as 150px.
Configure Timeline Virtualization
Timeline virtualization, enabled by setting EnableTimelineVirtualization to true, initially renders twice times the width of the Gantt element and loads additional timeline cells on demand during horizontal scrolling. This improves performance for wide timelines, such as multi-year projects, by rendering only the visible segments. The rendering behavior depends on TimelineSettings, which defines the scale (e.g., monthly or daily tiers).
The following example enables timeline virtualization for a wide timeline:
@using Syncfusion.Blazor.Gantt
<SfGantt @ref="Gantt" Width="480px" Height="350px" ID="Gantt" DataSource="@TaskCollection" Toolbar="@(new List<string>() { "ZoomIn", "ZoomOut", "ZoomToFit"})" GridLines="Syncfusion.Blazor.Gantt.GridLine.Both" ProjectStartDate="@ProjectStart" ProjectEndDate="@ProjectEnd"
EnableTimelineVirtualization="true" EnableColumnVirtualization="true">
<GanttTaskFields Id="ProjectId" Name="ProjectName" StartDate="ProjectStartDate" EndDate="ProjectEndDate" Duration="ProjectDuration" Progress="ProjectProgress" Dependency="Predecessor" ParentID="ParentID">
</GanttTaskFields>
<GanttEditSettings
AllowTaskbarEditing="true"
AllowEditing="true"
AllowAdding="true"
AllowDeleting="true"
Mode="Syncfusion.Blazor.Gantt.EditMode.Auto"
ShowDeleteConfirmDialog="true"> </GanttEditSettings >
<GanttSplitterSettings ColumnIndex=1></GanttSplitterSettings>
<GanttColumns>
<GanttColumn Field="ProjectId" HeaderText="Task ID"></GanttColumn>
<GanttColumn Field="ProjectName" HeaderText="Task Name"> </GanttColumn>
<GanttColumn Field="ProjectStartDate" HeaderText="Start Date"></GanttColumn>
<GanttColumn Field="ProjectEndDate" HeaderText="End Date"></GanttColumn>
<GanttColumn Field="ProjectDuration" HeaderText="Duration"></GanttColumn>
<GanttColumn Field="Predecessor" HeaderText="Predecessor"></GanttColumn>
<GanttColumn Field="Field1" HeaderText="Rebounds" Width="150"></GanttColumn>
<GanttColumn Field="FIELD2" HeaderText="Year" Width="150"></GanttColumn>
<GanttColumn Field="FIELD3" HeaderText="Stint" Width="150"></GanttColumn>
<GanttColumn Field="FIELD4" HeaderText="TMID" Width="150"> </GanttColumn>
<GanttColumn Field="FIELD5" HeaderText="LGID" Width="150"></GanttColumn>
<GanttColumn Field="FIELD6" HeaderText="GP" Width="150"></GanttColumn>
<GanttColumn Field="Field7" HeaderText="GS" Width="150"></GanttColumn>
<GanttColumn Field="Field8" HeaderText="Minutes" Width="150"></GanttColumn>
<GanttColumn Field="Field9" HeaderText="Points" Width="150"></GanttColumn>
<GanttColumn Field="Field10" HeaderText="ORebounds" Width="150"></GanttColumn>
<GanttColumn Field="Field11" HeaderText="DRebounds" Width="150"></GanttColumn>
</GanttColumns>
</SfGantt>
@code {
public SfGantt<TaskData> Gantt;
public DateTime ProjectStart = new DateTime(2000, 2, 6);
public DateTime ProjectEnd = new DateTime(2100, 12, 31);
public List<TaskData> TaskCollection { get; set; }
protected override void OnInitialized()
{
this.TaskCollection = VirtualData.GetTreeVirtualData();
}
public class VirtualData
{
public static List<TaskData> GetTreeVirtualData()
{
string[] Names = new string[] { "VINET", "TOMSP", "HANAR", "VICTE", "SUPRD", "HANAR", "CHOPS", "RICSU", "WELLI", "HILAA", "ERNSH", "CENTC", "OTTIK", "QUEDE", "RATTC", "ERNSH", "FOLKO", "BLONP", "WARTH", "FRANK", "GROSR", "WHITC", "WARTH", "SPLIR", "RATTC", "QUICK", "VINET", "MAGAA", "TORTU", "MORGK", "BERGS", "LEHMS", "BERGS", "ROMEY", "ROMEY", "LILAS", "LEHMS", "QUICK", "QUICK", "RICAR", "REGGC", "BSBEV", "COMMI", "QUEDE", "TRADH", "TORTU", "RATTC", "VINET", "LILAS", "BLONP", "HUNGO", "RICAR", "MAGAA", "WANDK", "SUPRD", "GODOS", "TORTU", "OLDWO", "ROMEY", "LONEP", "ANATR", "HUNGO", "THEBI", "DUMON", "WANDK", "QUICK", "RATTC", "ISLAT", "RATTC", "LONEP", "ISLAT", "TORTU", "WARTH", "ISLAT", "PERIC", "KOENE", "SAVEA", "KOENE", "BOLID", "FOLKO", "FURIB", "SPLIR", "LILAS", "BONAP", "MEREP", "WARTH", "VICTE", "HUNGO", "PRINI", "FRANK", "OLDWO", "MEREP", "BONAP", "SIMOB", "FRANK", "LEHMS", "WHITC", "QUICK", "RATTC", "FAMIA" };
List<TaskData> DataCollection = new List<TaskData>();
Random random = new Random();
var x = 0;
for (var i = 1; i <= 100; i++)
{
var name = random.Next(0, 100);
TaskData Parent = new TaskData()
{
ProjectId = ++x,
ProjectName = "Task " + x,
ProjectStartDate = new DateTime(2017, 1, 9),
ProjectEndDate = new DateTime(2017, 1, 13),
ProjectDuration = "10",
ProjectProgress = 50,
ParentID = null,
Predecessor = null,
};
DataCollection.Add(Parent);
for (var j = 1; j <= 10; j++)
{
var childName = random.Next(0, 100);
DataCollection.Add(new TaskData()
{
ProjectId = ++x,
ProjectName = "Task " + x,
ProjectStartDate = j <= 3 ? new DateTime(2000, 2, 10) : j > 3 && j <= 6 ? new DateTime(2031, 5, 1) : new DateTime(2061, 8, 1),
ProjectEndDate = new DateTime(2021, 1, 13),
ProjectDuration = "10650",
ProjectProgress = 50,
ParentID = Parent.ProjectId,
Field1 = Names[name],
FIELD2 = 1967 + 10,
FIELD3 = 395 + 600,
FIELD4 = 87 + 250,
FIELD5 = 410 + 600,
FIELD6 = 67 + 250,
Field7 = (int)Math.Floor(10 * 100.0),
Field8 = (int)Math.Floor(15 * 10.0),
Field9 = (int)Math.Floor(20 * 10.0),
Field10 = (int)Math.Floor(25 * 100.0),
Field11 = (int)Math.Floor(30 * 100.0),
Field12 = (int)Math.Floor(35 * 1000.0),
});
}
}
return DataCollection;
}
}
public class TaskData
{
public int ProjectId { get; set; }
public string ProjectName { get; set; }
public DateTime? ProjectStartDate { get; set; }
public DateTime? ProjectEndDate { get; set; }
public string ProjectDuration { get; set; }
public int ProjectProgress { get; set; }
public int? ParentID { get; set; }
public string Predecessor { get; set; }
public string Field1 { get; set; }
public int FIELD2 { get; set; }
public int FIELD3 { get; set; }
public int FIELD4 { get; set; }
public int FIELD5 { get; set; }
public int FIELD6 { get; set; }
public int Field7 { get; set; }
public int Field8 { get; set; }
public int Field9 { get; set; }
public int Field10 { get; set; }
public int Field11 { get; set; }
public int Field12 { get; set; }
}
}Limitations for virtualization
- Due to the element height limitation in browsers, the maximum number of records loaded by the Gantt chart is limited by the browser capability.
- It is necessary to mention the height of the Gantt in pixels when enabling virtual scrolling.
- Cell selection will not be persisted in a row.
- Programmatic selection using the SelectRowsAsync method is not supported in virtual scrolling.
- Collapse all and expand all actions are performed only for the current view-port data in virtual scrolling.
- While using column virtualization, column width should be in the pixel. Percentage values are not accepted.