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Render TreeGrid inside the Tab with specific height in Blazor TreeGrid component
28 Jul 2021 / 1 minute to read
By default, Tree Grid will occupy the entire space of the parent element when Tree Grid Height and Width property is defined as 100%. But if you render the similar Tree Grid inside the Tab control, it will consider the entire page and render the Tree Grid without horizontal scroller.
index.razor
treegriddata.cs
@using TreeGridComponent.Data;
@using Syncfusion.Blazor.Grids;
@using Syncfusion.Blazor.TreeGrid;
@using Syncfusion.Blazor.Navigations
<div style="height:300px">
<SfTab ID="Ej2Tab" Width="100%">
<TabItems>
<TabItem>
<ChildContent>
<TabHeader Text="Tree Grid 1"></TabHeader>
</ChildContent>
<ContentTemplate>
<SfTreeGrid DataSource="@TreeGridData" IdMapping="TaskId" ParentIdMapping="ParentId" AllowPaging="true"
TreeColumnIndex="1" Height="100%" Width="100%">
<TreeGridColumns>
<TreeGridColumn Field="TaskId" HeaderText="Task ID" IsPrimaryKey="true" Width="70" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="85"></TreeGridColumn>
<TreeGridColumn Field="Priority" HeaderText="Priority" Width="60"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="70" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Resources" HeaderText="Resource" Width="70" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="70" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>
</ContentTemplate>
</TabItem>
<TabItem>
<ChildContent>
<TabHeader Text="Tree Grid 2"></TabHeader>
</ChildContent>
<ContentTemplate>
<SfTreeGrid DataSource="@TreeDataSource" IdMapping="TaskId" ParentIdMapping="ParentId" AllowPaging="true"
TreeColumnIndex="1" Height="100%" Width="100%">
<TreeGridColumns>
<TreeGridColumn Field="TaskId" HeaderText="Task ID" Visible="false" Width="100" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="120" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="120" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Resources" HeaderText="Resources" Width="120" Format="C2" TextAlign="TextAlign.Right"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>
</ContentTemplate>
</TabItem>
</TabItems>
</SfTab>
</div>
@code{
SfTreeGrid<TreeData> TreeGrid;
public List<TreeData> TreeGridData { get; set; }
public List<WrapData> TreeDataSource { get; set; }
protected override void OnInitialized()
{
this.TreeGridData = TreeData.GetSelfDataSource().ToList();
this.TreeDataSource = WrapData.GetWrapData().ToList();
}
}namespace TreeGridComponent.Data {
public class TreeData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public int? Duration { get; set; }
public int? Progress { get; set; }
public string Priority { get; set; }
public int? ParentId { get; set; }
public static List<TreeData> GetSelfDataSource()
{
List<TreeData> TreeDataCollection = new List<TreeData>();
TreeDataCollection.Add(new TreeData() { TaskId = 1, TaskName = "Parent Task 1", Duration = 10, Progress = 70, Priority = "Critical", ParentId = null });
TreeDataCollection.Add(new TreeData() { TaskId = 2, TaskName = "Child task 1", Progress = 80, Priority = "Low", Duration = 50, ParentId = 1 });
TreeDataCollection.Add(new TreeData() { TaskId = 3, TaskName = "Child Task 2", Duration = 5, Progress = 65, Priority = "Critical", ParentId = 2 });
TreeDataCollection.Add(new TreeData() { TaskId = 4, TaskName = "Child task 3", Duration = 6, Priority = "High", Progress = 77, ParentId = 3 });
TreeDataCollection.Add(new TreeData() { TaskId = 5, TaskName = "Parent Task 2", Duration = 10, Progress = 70, Priority = "Critical", ParentId = null });
TreeDataCollection.Add(new TreeData() { TaskId = 6, TaskName = "Child task 1", Duration = 4, Progress = 80, Priority = "Critical", ParentId = 5 });
TreeDataCollection.Add(new TreeData() { TaskId = 7, TaskName = "Child Task 2", Duration = 5, Progress = 65, Priority = "Low", ParentId = 5 });
TreeDataCollection.Add(new TreeData() { TaskId = 8, TaskName = "Child task 3", Duration = 6, Progress = 77, Priority = "High", ParentId = 5 });
TreeDataCollection.Add(new TreeData() { TaskId = 9, TaskName = "Child task 4", Duration = 6, Progress = 77, Priority = "Low", ParentId = 5 });
return TreeDataCollection;
}
}
public class WrapData
{
public int TaskId { get; set; }
public string TaskName { get; set; }
public DateTime? StartDate { get; set; }
public DateTime? EndDate { get; set; }
public int? Duration { get; set; }
public String Progress { get; set; }
public string Priority { get; set; }
public bool Approved { get; set; }
public int Resources { get; set; }
public int? ParentId { get; set; }
public static List<WrapData> GetWrapData()
{
List<WrapData> BusinessObjectCollection = new List<WrapData>();
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 1,
TaskName = "Planning",
StartDate = new DateTime(2017, 03, 02),
EndDate = new DateTime(2017, 07, 03),
Progress = "Open",
Duration = 5,
Priority = "Normal",
Resources = 6,
Approved = false,
ParentId = null
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 2,
TaskName = "Plan timeline",
StartDate = new DateTime(2017, 03, 04),
EndDate = new DateTime(2017, 07, 05),
Progress = "Inprogress",
Duration = 5,
Resources = 4,
Priority = "Normal",
Approved = false,
ParentId = 1
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 3,
TaskName = "Plan budget",
StartDate = new DateTime(2017, 03, 06),
EndDate = new DateTime(2017, 07, 07),
Duration = 5,
Progress = "Started",
Approved = true,
Resources = 6,
Priority = "Low",
ParentId = 1
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 4,
TaskName = "Allocate resources",
StartDate = new DateTime(2017, 03, 08),
EndDate = new DateTime(2017, 07, 09),
Duration = 5,
Progress = "Open",
Priority = "Critical",
ParentId = 1,
Resources = 3,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 5,
TaskName = "Planning complete",
StartDate = new DateTime(2017, 07, 10),
EndDate = new DateTime(2017, 07, 11),
Duration = 1,
Progress = "Open",
Priority = "Low",
Resources = 5,
ParentId = 1,
Approved = true
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 6,
TaskName = "Design",
StartDate = new DateTime(2017, 10, 12),
EndDate = new DateTime(2017, 02, 13),
Progress = "Inprogress",
Duration = 3,
Priority = "High",
Resources = 4,
Approved = false,
ParentId = null
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 7,
TaskName = "Software Specification",
StartDate = new DateTime(2017, 10, 14),
EndDate = new DateTime(2017, 02, 15),
Duration = 3,
Progress = "Started",
Resources = 3,
Priority = "Normal",
ParentId = 6,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 8,
TaskName = "Develop prototype",
StartDate = new DateTime(2017, 10, 16),
EndDate = new DateTime(2017, 02, 17),
Duration = 3,
Progress = "Inprogress",
Resources = 2,
Priority = "Critical",
ParentId = 6,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 9,
TaskName = "Get approval from customer",
StartDate = new DateTime(2017, 02, 18),
EndDate = new DateTime(2017, 02, 19),
Duration = 2,
Progress = "Inprogress",
Resources = 3,
Priority = "Low",
Approved = true,
ParentId = 6
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 10,
TaskName = "Design complete",
StartDate = new DateTime(2017, 02, 20),
EndDate = new DateTime(2017, 02, 21),
Duration = 1,
Progress = "Inprogress",
Resources = 6,
Priority = "Normal",
ParentId = 6,
Approved = true
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 12,
TaskName = "Implementation Phase",
StartDate = new DateTime(2017, 02, 22),
EndDate = new DateTime(2017, 02, 23),
Priority = "Normal",
Approved = false,
Duration = 11,
Resources = 5,
Progress = "Started",
ParentId = null
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 13,
TaskName = "Phase 1",
StartDate = new DateTime(2017, 02, 24),
EndDate = new DateTime(2017, 02, 25),
Priority = "High",
Approved = false,
Duration = 11,
Progress = "Open",
Resources = 4,
ParentId = 12
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 14,
TaskName = "Implementation Module 1",
StartDate = new DateTime(2017, 02, 26),
EndDate = new DateTime(2017, 02, 27),
Priority = "Normal",
Duration = 11,
Progress = "Started",
Resources = 3,
Approved = false,
ParentId = 13
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 15,
TaskName = "Development Task 1",
StartDate = new DateTime(2017, 06, 18),
EndDate = new DateTime(2017, 06, 19),
Duration = 3,
Progress = "Inprogress",
Priority = "High",
Resources = 2,
ParentId = 14,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 16,
TaskName = "Development Task 2",
StartDate = new DateTime(2017, 02, 13),
EndDate = new DateTime(2017, 03, 01),
Duration = 3,
Progress = "Closed",
Priority = "Low",
Resources = 5,
ParentId = 14,
Approved = true
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 17,
TaskName = "Testing",
StartDate = new DateTime(2017, 03, 02),
EndDate = new DateTime(2017, 03, 03),
Duration = 2,
Progress = "Closed",
Priority = "Normal",
ParentId = 14,
Resources = 1,
Approved = true
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 18,
TaskName = "Bug fix",
StartDate = new DateTime(2017, 03, 04),
EndDate = new DateTime(2017, 03, 05),
Duration = 2,
Progress = "Validated",
Priority = "Critical",
ParentId = 14,
Resources = 6,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 19,
TaskName = "Customer review meeting",
StartDate = new DateTime(2017, 03, 06),
EndDate = new DateTime(2017, 03, 07),
Duration = 2,
Progress = "Open",
Priority = "High",
ParentId = 14,
Resources = 6,
Approved = false
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 20,
TaskName = "Phase 1 complete",
StartDate = new DateTime(2017, 04, 27),
EndDate = new DateTime(2017, 07, 27),
Duration = 2,
Progress = "Closed",
Priority = "Low",
ParentId = 14,
Resources = 5,
Approved = true
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 21,
TaskName = "Phase 2",
StartDate = new DateTime(2017, 07, 17),
EndDate = new DateTime(2017, 09, 28),
Priority = "High",
Approved = false,
Progress = "Open",
ParentId = 12,
Resources = 3,
Duration = 12,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 22,
TaskName = "Implementation Module 2",
StartDate = new DateTime(2017, 01, 17),
EndDate = new DateTime(2017, 02, 28),
Priority = "Critical",
Approved = false,
Progress = "Inprogress",
ParentId = 21,
Resources = 3,
Duration = 12
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 23,
TaskName = "Development Task 1",
StartDate = new DateTime(2017, 08, 17),
EndDate = new DateTime(2017, 09, 20),
Duration = 4,
Progress = "Closed",
Priority = "Normal",
ParentId = 22,
Resources = 2,
Approved = true,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 24,
TaskName = "Development Task 2",
StartDate = new DateTime(2017, 04, 17),
EndDate = new DateTime(2017, 03, 20),
Duration = 4,
Progress = "Closed",
Priority = "Critical",
ParentId = 22,
Resources = 5,
Approved = true,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 25,
TaskName = "Testing",
StartDate = new DateTime(2017, 01, 21),
EndDate = new DateTime(2017, 01, 24),
Duration = 2,
Progress = "Open",
Priority = "High",
ParentId = 22,
Resources = 3,
Approved = false,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 26,
TaskName = "Bug fix",
StartDate = new DateTime(2017, 03, 25),
EndDate = new DateTime(2017, 08, 26),
Duration = 2,
Progress = "Validated",
Priority = "Low",
Approved = false,
Resources = 6,
ParentId = 22
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 27,
TaskName = "Customer review meeting",
StartDate = new DateTime(2017, 07, 27),
EndDate = new DateTime(2017, 06, 28),
Duration = 2,
Progress = "Inprogress",
Priority = "Critical",
ParentId = 22,
Resources = 4,
Approved = true,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 28,
TaskName = "Phase 2 complete",
StartDate = new DateTime(2017, 07, 19),
EndDate = new DateTime(2017, 05, 28),
Duration = 2,
Priority = "Normal",
Progress = "Open",
ParentId = 22,
Resources = 3,
Approved = false,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 29,
TaskName = "Phase 3",
StartDate = new DateTime(2017, 07, 17),
EndDate = new DateTime(2017, 02, 12),
Priority = "Normal",
Approved = false,
Duration = 11,
Progress = "Inprogress",
Resources = 4,
ParentId = 12
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 30,
TaskName = "Implementation Module 3",
StartDate = new DateTime(2017, 08, 17),
EndDate = new DateTime(2017, 09, 27),
Priority = "High",
Approved = false,
Duration = 11,
Resources = 5,
Progress = "Validated",
ParentId = 29,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 31,
TaskName = "Development Task 1",
StartDate = new DateTime(2017, 11, 17),
EndDate = new DateTime(2017, 12, 19),
Duration = 3,
Progress = "Closed",
Priority = "Low",
Approved = true,
Resources = 3,
ParentId = 30
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 32,
TaskName = "Development Task 2",
StartDate = new DateTime(2017, 12, 17),
EndDate = new DateTime(2017, 02, 19),
Duration = 3,
Progress = "Closed",
Priority = "Normal",
Approved = false,
Resources = 2,
ParentId = 30
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 33,
TaskName = "Testing",
StartDate = new DateTime(2017, 01, 01),
EndDate = new DateTime(2017, 07, 21),
Duration = 2,
Progress = "Closed",
Priority = "Critical",
ParentId = 30,
Resources = 4,
Approved = true,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 34,
TaskName = "Bug fix",
StartDate = new DateTime(2017, 01, 24),
EndDate = new DateTime(2017, 01, 25),
Duration = 2,
Progress = "Open",
Priority = "High",
Approved = false,
Resources = 3,
ParentId = 30
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 35,
TaskName = "Customer review meeting",
StartDate = new DateTime(2017, 12, 26),
EndDate = new DateTime(2017, 12, 27),
Duration = 2,
Progress = "Inprogress",
Priority = "Normal",
ParentId = 30,
Resources = 6,
Approved = true,
});
BusinessObjectCollection.Add(new WrapData()
{
TaskId = 36,
TaskName = "Phase 3 complete",
StartDate = new DateTime(2017, 05, 27),
EndDate = new DateTime(2017, 05, 27),
Duration = 2,
Priority = "Critical",
Progress = "Open",
Resources = 5,
ParentId = 30,
Approved = false,
});
return BusinessObjectCollection;
}
}
}Output be like the below.
Thank you for your feedback and comments.We will rectify this as soon as possible!