Custom Binding in Blazor TreeGrid Component
24 Oct 202324 minutes to read
The SfDataManager has custom adaptor support which allows to perform manual operations on the data. This can be utilized for implementing custom data binding and editing operations in the Tree Grid component.
NOTE
Only Self-Referential type data is supported with custom binding in tree grid
For implementing custom data binding in the Tree Grid, the DataAdaptor class is used. This abstract class acts as a base class for the custom adaptor.
The DataAdaptor abstract class has both synchronous and asynchronous method signatures which can be overridden in the custom adaptor. Following are the method signatures present in this class,
public abstract class DataAdaptor
{
/// <summary>
/// Performs data Read operation synchronously.
/// </summary>
public virtual object Read(DataManagerRequest dataManagerRequest, string key = null)
/// <summary>
/// Performs data Read operation asynchronously.
/// </summary>
public virtual Task<object> ReadAsync(DataManagerRequest dataManagerRequest, string key = null)
/// <summary>
/// Performs Insert operation synchronously.
/// </summary>
public virtual object Insert(DataManager dataManager, object data, string key)
/// <summary>
/// Performs Insert operation asynchronously.
/// </summary>
public virtual Task<object> InsertAsync(DataManager dataManager, object data, string key)
/// <summary>
/// Performs Remove operation synchronously.
/// </summary>
public virtual object Remove(DataManager dataManager, object data, string keyField, string key)
/// <summary>
/// Performs Remove operation asynchronously..
/// </summary>
public virtual Task<object> RemoveAsync(DataManager dataManager, object data, string keyField, string key)
/// <summary>
/// Performs Update operation synchronously.
/// </summary>
public virtual object Update (DataManager dataManager, object data, string keyField, string key)
/// <summary>
/// Performs Update operation asynchronously.
/// </summary>
public virtual Task<object> UpdateAsync(DataManager dataManager, object data, string keyField, string key)
/// <summary>
/// Performs Batch CRUD operations synchronously.
/// </summary>
public virtual object BatchUpdate(DataManager dataManager, object changedRecords, object addedRecords, object deletedRecords, string keyField, string key, int? dropIndex)
/// <summary>
/// Performs Batch CRUD operations asynchronously.
/// </summary>
public virtual Task<object> BatchUpdateAsync(DataManager dataManager, object changedRecords, object addedRecords, object deletedRecords, string keyField, string key, int? dropIndex)
}Data binding
The custom data binding can be performed in the Tree Grid component by providing the custom adaptor class and overriding the Read or ReadAsync method of the DataAdaptor abstract class.
The following sample code demonstrates implementing custom data binding using custom adaptor,
@using TreeGridComponent.Data;
@using Syncfusion.Blazor.TreeGrid;
@using Syncfusion.Blazor.Data;
@using Syncfusion.Blazor.Grids;
@using Syncfusion.Blazor;
<SfTreeGrid TValue="SelfReferenceData" AllowFiltering="true" HasChildMapping="isParent" IdMapping="TaskID" ParentIdMapping="ParentID"
TreeColumnIndex="1" AllowPaging="true" AllowSorting="true">
<SfDataManager AdaptorInstance="@typeof(CustomAdaptor)" Adaptor="Adaptors.CustomAdaptor"></SfDataManager>
<TreeGridPageSettings PageSize="3"></TreeGridPageSettings>
<TreeGridFilterSettings Type="Syncfusion.Blazor.TreeGrid.FilterType.FilterBar"></TreeGridFilterSettings>
<TreeGridColumns>
<TreeGridColumn Field="TaskID" HeaderText="Task ID" IsPrimaryKey="true" Width="80" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="145"></TreeGridColumn>
<TreeGridColumn Field="StartDate" HeaderText="Start Date" Format="d" Type=ColumnType.Date Width="88" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="100" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="100"></TreeGridColumn>
<TreeGridColumn Field="Priority" HeaderText="Priority" Width="100"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>
@code{
public static List<SelfReferenceData> TreeData { get; set; }
protected override void OnInitialized()
{
TreeData = SelfReferenceData.GetTree().ToList();
}
// Implementing custom adaptor by extending the DataAdaptor class
public class CustomAdaptor : DataAdaptor
{
// Performs data Read operation
public override object Read(DataManagerRequest dm, string key = null)
{
IEnumerable<SelfReferenceData> DataSource = TreeData;
if (dm.Search != null && dm.Search.Count > 0)
{
// Searching
DataSource = DataOperations.PerformSearching(DataSource, dm.Search);
}
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
// Sorting
DataSource = DataOperations.PerformSorting(DataSource, dm.Sorted);
}
if (dm.Where != null && dm.Where.Count > 0)
{
// Filtering
DataSource = DataOperations.PerformFiltering(DataSource, dm.Where, dm.Where[0].Operator);
}
int count = DataSource.Cast<SelfReferenceData>().Count();
if (dm.Skip != 0)
{
//Paging
DataSource = DataOperations.PerformSkip(DataSource, dm.Skip);
}
if (dm.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, dm.Take);
}
return dm.RequiresCounts ? new DataResult() { Result = DataSource, Count = count } : (object)DataSource;
}
}
}namespace TreeGridComponent.Data {
public class SelfReferenceData
{
public List<SelfReferenceData> tree = new List<SelfReferenceData>();
public int? TaskID { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public String Progress { get; set; }
public String Priority { get; set; }
public int Duration { get; set; }
public int? ParentID { get; set; }
public bool? isParent { get; set; }
public SelfReferenceData() { }
public List<SelfReferenceData> GetTree()
{
if (tree.Count == 0)
{
int root = -1;
for (var t = 1; t <= 8; t++)
{
Random ran = new Random();
string math = (ran.Next() % 3) == 0 ? "High" : (ran.Next() % 2) == 0 ? "Release Breaker" : "Critical";
string progr = (ran.Next() % 3) == 0 ? "Started" : (ran.Next() % 2) == 0 ? "Open" : "In Progress";
root++;
int rootItem = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = rootItem, TaskName = "Parent Task " + rootItem.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = true, ParentID = null, Progress = progr, Priority = math, Duration = ran.Next(1, 50) });
int parent = tree.Count;
for (var c = 0; c < 3; c++)
{
root++;
string val = ((parent + c + 1) % 3 == 0) ? "Low" : "Critical";
int parn = parent + c + 1;
progr = (ran.Next() % 3) == 0 ? "In Progress" : (ran.Next() % 2) == 0 ? "Open" : "Validated";
int iD = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = iD, TaskName = "Child Task " + iD.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = (((parent + c + 1) % 3) == 0), ParentID = rootItem, Progress = progr, Priority = val, Duration = ran.Next(1, 50) });
if ((((parent + c + 1) % 3) == 0))
{
int immParent = tree.Count;
for (var s = 0; s <= 1; s++)
{
root++;
string Prior = (immParent % 2 == 0) ? "Validated" : "Normal";
tree.Add(new SelfReferenceData() { TaskID = tree.Count + root + 1, TaskName = "Sub Task " + (tree.Count + root + 1).ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = false, ParentID = iD, Progress = (immParent % 2 == 0) ? "On Progress" : "Closed", Priority = Prior, Duration = ran.Next(1, 50) });
}
}
}
}
}
return tree;
}
}
}NOTE
If the DataManagerRequest.RequiresCounts value is true, then the Read/ReadAsync return value must be of DataResult with properties Result whose value is a collection of records and Count whose value is the total number of records. If the DataManagerRequest.RequiresCounts is false, then simply send the collection of records.
If the Read/ReadAsync method is not overridden in the custom adaptor then it will be handled by the default read handler.
Inject service into Custom Adaptor
If you want to inject some of your service into Custom Adaptor and use the service, then you can achieve your requirement by using below way.
Initially, the CustomAdaptor class must be added as AddScoped in Program.cs file.
builder.Services.AddSingleton<TaskDataAccessLayer>();
builder.Services.AddScoped<CustomAdaptor>();
builder.Services.AddScoped<ServiceClass>();The following sample code demonstrates injecting service into Custom Adaptor,
@using Syncfusion.Blazor.Data
@using Syncfusion.Blazor.Grids
@using Syncfusion.Blazor
@using Syncfusion.Blazor.TreeGrid
<SfTreeGrid TValue="SelfReferenceData" AllowFiltering="true" HasChildMapping="isParent" IdMapping="TaskID" ParentIdMapping="ParentID"
TreeColumnIndex="1" AllowPaging="true" AllowSorting="true">
<SfDataManager AdaptorInstance="@typeof(CustomAdaptor)" Adaptor="Adaptors.CustomAdaptor"></SfDataManager>
<TreeGridPageSettings PageSize="3"></TreeGridPageSettings>
<TreeGridFilterSettings Type="Syncfusion.Blazor.TreeGrid.FilterType.FilterBar"></TreeGridFilterSettings>
<TreeGridColumns>
<TreeGridColumn Field="TaskID" HeaderText="Task ID" IsPrimaryKey="true" Width="80" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="145"></TreeGridColumn>
<TreeGridColumn Field="StartDate" HeaderText="Start Date" Format="d" Type=ColumnType.Date Width="88" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="100" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="100"></TreeGridColumn>
<TreeGridColumn Field="Priority" HeaderText="Priority" Width="100"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>
@code{
public class CustomAdaptor : DataAdaptor
{
//here you can inject your service
[Inject]
public TaskDataAccessLayer context { get; set; } = new TaskDataAccessLayer();
// Performs data Read operation
public override object Read(DataManagerRequest dm, string key = null)
{
IEnumerable<SelfReferenceData> DataSource = context.GetTree();
if (dm.Search != null && dm.Search.Count > 0)
{
// Searching
DataSource = DataOperations.PerformSearching(DataSource, dm.Search);
}
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
// Sorting
DataSource = DataOperations.PerformSorting(DataSource, dm.Sorted);
}
if (dm.Where != null && dm.Where.Count > 0)
{
// Filtering
DataSource = DataOperations.PerformFiltering(DataSource, dm.Where, dm.Where[0].Operator);
}
int count = DataSource.Cast<SelfReferenceData>().Count();
if (dm.Skip != 0)
{
//Paging
DataSource = DataOperations.PerformSkip(DataSource, dm.Skip);
}
if (dm.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, dm.Take);
}
return dm.RequiresCounts ? new DataResult() { Result = DataSource, Count = count } : (object)DataSource;
}
}
}Custom adaptor as Component
Custom Adaptor can be created as a component when DataAdaptor is extended from OwningComponentBase. Custom Adaptor can be created from any of the two versions of the class, DataAdaptor and DataAdaptor<T>.
Ensure to register your service in Startup.cs file.
public void ConfigureServices(IServiceCollection services)
{
...
services.AddScoped<SelfReferenceData>();
}The following sample code demonstrates creating Custom Adaptor as a component,
@using TreeGridComponent.Data;
@using Syncfusion.Blazor.Data;
@using Syncfusion.Blazor.TreeGrid;
@using Syncfusion.Blazor.Grids;
@using Syncfusion.Blazor;
<SfTreeGrid TValue="SelfReferenceData" AllowFiltering="true" HasChildMapping="isParent" IdMapping="TaskID" ParentIdMapping="ParentID" TreeColumnIndex="1" AllowPaging="true" AllowSorting="true" Toolbar="@(new List<string>() { "Add", "Edit", "Delete", "Update", "Cancel", "Search" })">
<SfDataManager Adaptor="Adaptors.CustomAdaptor">
<CustomAdaptorComponent></CustomAdaptorComponent>
</SfDataManager>
<TreeGridPageSettings PageSize="3"></TreeGridPageSettings>
<TreeGridEditSettings AllowEditing="true" AllowAdding="true" AllowDeleting="true" Mode="Syncfusion.Blazor.TreeGrid.EditMode.Row"></TreeGridEditSettings>
<TreeGridFilterSettings Type="Syncfusion.Blazor.TreeGrid.FilterType.FilterBar"></TreeGridFilterSettings>
<TreeGridColumns>
<TreeGridColumn Field="TaskID" HeaderText="Task ID" IsPrimaryKey="true" Width="80" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="145"></TreeGridColumn>
<TreeGridColumn Field="StartDate" HeaderText="Start Date" Format="d" Type=ColumnType.Date Width="88" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="100" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="100"></TreeGridColumn>
<TreeGridColumn Field="Priority" HeaderText="Priority" Width="100"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>namespace TreeGridComponent.Data {
public class SelfReferenceData
{
public List<SelfReferenceData> tree = new List<SelfReferenceData>();
public int? TaskID { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public String Progress { get; set; }
public String Priority { get; set; }
public int Duration { get; set; }
public int? ParentID { get; set; }
public bool? isParent { get; set; }
public SelfReferenceData() { }
public List<SelfReferenceData> GetTree()
{
if (tree.Count == 0)
{
int root = -1;
for (var t = 1; t <= 8; t++)
{
Random ran = new Random();
string math = (ran.Next() % 3) == 0 ? "High" : (ran.Next() % 2) == 0 ? "Release Breaker" : "Critical";
string progr = (ran.Next() % 3) == 0 ? "Started" : (ran.Next() % 2) == 0 ? "Open" : "In Progress";
root++;
int rootItem = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = rootItem, TaskName = "Parent Task " + rootItem.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = true, ParentID = null, Progress = progr, Priority = math, Duration = ran.Next(1, 50) });
int parent = tree.Count;
for (var c = 0; c < 3; c++)
{
root++;
string val = ((parent + c + 1) % 3 == 0) ? "Low" : "Critical";
int parn = parent + c + 1;
progr = (ran.Next() % 3) == 0 ? "In Progress" : (ran.Next() % 2) == 0 ? "Open" : "Validated";
int iD = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = iD, TaskName = "Child Task " + iD.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = (((parent + c + 1) % 3) == 0), ParentID = rootItem, Progress = progr, Priority = val, Duration = ran.Next(1, 50) });
if ((((parent + c + 1) % 3) == 0))
{
int immParent = tree.Count;
for (var s = 0; s <= 1; s++)
{
root++;
string Prior = (immParent % 2 == 0) ? "Validated" : "Normal";
tree.Add(new SelfReferenceData() { TaskID = tree.Count + root + 1, TaskName = "Sub Task " + (tree.Count + root + 1).ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = false, ParentID = iD, Progress = (immParent % 2 == 0) ? "On Progress" : "Closed", Priority = Prior, Duration = ran.Next(1, 50) });
}
}
}
}
}
return tree;
}
}
}The following sample code demonstrates DataAdaptor extended from OwningComponentBase. This provides the possibility to request multiple services.
[CustomAdaptorComponent.razor]
@using Syncfusion.Blazor;
@using Syncfusion.Blazor.Data;
@using TreeGridComponent.Data;
@using Newtonsoft.Json
@inherits DataAdaptor
<CascadingValue Value="@this">
@ChildContent
</CascadingValue>
@code {
[Parameter]
[JsonIgnore]
public RenderFragment ChildContent { get; set; }
SelfReferenceData TreeData;
public override object Read(DataManagerRequest dm, string key = null)
{
TreeData = (SelfReferenceData)ScopedServices.GetService(typeof(SelfReferenceData));
IEnumerable<SelfReferenceData> DataSource = (IEnumerable<SelfReferenceData>)TreeData.GetTree().Take(30);
if (dm.Search != null && dm.Search.Count > 0)
{
// Searching
DataSource = DataOperations.PerformSearching(DataSource, dm.Search);
}
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
// Sorting
DataSource = DataOperations.PerformSorting(DataSource, dm.Sorted);
}
if (dm.Where != null && dm.Where.Count > 0)
{
// Filtering
DataSource = DataOperations.PerformFiltering(DataSource, dm.Where, dm.Where[0].Operator);
}
int count = DataSource.Cast<SelfReferenceData>().Count();
if (dm.Skip != 0)
{
//Paging
DataSource = DataOperations.PerformSkip(DataSource, dm.Skip);
}
if (dm.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, dm.Take);
}
return dm.RequiresCounts ? new DataResult() { Result = DataSource, Count = count } : (object)DataSource;
}
}CRUD operation
The CRUD operations for the custom bounded data in the Tree Grid component can be implemented by overriding the following CRUD methods of the DataAdaptor abstract class,
- Insert/InsertAsync
- Remove/RemoveAsync
- Update/UpdateAsync
- BatchUpdate/BatchUpdateAsync
NOTE
While using batch editing in tree grid, use BatchUpdate/BatchUpdateAsync method to handle the corresponding CRUD operation
The following sample code demonstrates implementing CRUD operations for the custom bounded data,
@using TreeGridComponent.Data;
@using Syncfusion.Blazor.TreeGrid;
@using Syncfusion.Blazor.Data;
@using Syncfusion.Blazor.Grids;
@using Syncfusion.Blazor;
<SfTreeGrid TValue="SelfReferenceData" AllowFiltering="true" HasChildMapping="isParent" IdMapping="TaskID" ParentIdMapping="ParentID" TreeColumnIndex="1"
AllowPaging="true" AllowSorting="true" Toolbar="@(new List<string>() { "Add", "Edit", "Delete", "Update", "Cancel", "Search" })">
<SfDataManager AdaptorInstance="@typeof(CustomAdaptor)" Adaptor="Adaptors.CustomAdaptor"></SfDataManager>
<TreeGridPageSettings PageSize="3"></TreeGridPageSettings>
<TreeGridEditSettings AllowEditing="true" AllowAdding="true" AllowDeleting="true" Mode="Syncfusion.Blazor.TreeGrid.EditMode.Row"></TreeGridEditSettings>
<TreeGridFilterSettings Type="Syncfusion.Blazor.TreeGrid.FilterType.FilterBar"></TreeGridFilterSettings>
<TreeGridColumns>
<TreeGridColumn Field="TaskID" HeaderText="Task ID" IsPrimaryKey="true" Width="80" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="TaskName" HeaderText="Task Name" Width="145"></TreeGridColumn>
<TreeGridColumn Field="StartDate" HeaderText="Start Date" Format="d" Type=ColumnType.Date Width="88" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Duration" HeaderText="Duration" Width="100" TextAlign="TextAlign.Right"></TreeGridColumn>
<TreeGridColumn Field="Progress" HeaderText="Progress" Width="100"></TreeGridColumn>
<TreeGridColumn Field="Priority" HeaderText="Priority" Width="100"></TreeGridColumn>
</TreeGridColumns>
</SfTreeGrid>
@code{
public static List<SelfReferenceData> TreeData { get; set; }
protected override void OnInitialized()
{
TreeData = SelfReferenceData.GetTree().ToList();
}
// Implementing custom adaptor by extending the DataAdaptor class
public class CustomAdaptor : DataAdaptor
{
// Performs data Read operation
public override object Read(DataManagerRequest dm, string key = null)
{
IEnumerable<SelfReferenceData> DataSource = TreeData;
if (dm.Search != null && dm.Search.Count > 0)
{
// Searching
DataSource = DataOperations.PerformSearching(DataSource, dm.Search);
}
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
// Sorting
DataSource = DataOperations.PerformSorting(DataSource, dm.Sorted);
}
if (dm.Where != null && dm.Where.Count > 0)
{
// Filtering
DataSource = DataOperations.PerformFiltering(DataSource, dm.Where, dm.Where[0].Operator);
}
int count = DataSource.Cast<SelfReferenceData>().Count();
if (dm.Skip != 0)
{
//Paging
DataSource = DataOperations.PerformSkip(DataSource, dm.Skip);
}
if (dm.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, dm.Take);
}
return dm.RequiresCounts ? new DataResult() { Result = DataSource, Count = count } : (object)DataSource;
}
// Performs Insert operation
public override object Insert(DataManager dm, object value, string key)
{
TreeData.Insert(0, value as SelfReferenceData);
return value;
}
// Performs Remove operation
public override object Remove(DataManager dm, object value, string keyField, string key)
{
TreeData.Remove(TreeData.Where(or => or.TaskID == int.Parse(value.ToString())).FirstOrDefault());
return value;
}
// Performs Update operation
public override object Update(DataManager dm, object value, string keyField, string key)
{
var data = TreeData.Where(or => or.TaskID == (value as SelfReferenceData).TaskID).FirstOrDefault();
if (data != null)
{
data.TaskID = (value as SelfReferenceData).TaskID;
data.TaskName = (value as SelfReferenceData).TaskName;
data.StartDate = (value as SelfReferenceData).StartDate;
data.Duration = (value as SelfReferenceData).Duration;
data.Priority = (value as SelfReferenceData).Priority;
data.Progress = (value as SelfReferenceData).Progress;
}
return value;
}
}
}namespace TreeGridComponent.Data {
public class SelfReferenceData
{
public List<SelfReferenceData> tree = new List<SelfReferenceData>();
public int? TaskID { get; set; }
public string TaskName { get; set; }
public DateTime StartDate { get; set; }
public DateTime EndDate { get; set; }
public String Progress { get; set; }
public String Priority { get; set; }
public int Duration { get; set; }
public int? ParentID { get; set; }
public bool? isParent { get; set; }
public SelfReferenceData() { }
public List<SelfReferenceData> GetTree()
{
if (tree.Count == 0)
{
int root = -1;
for (var t = 1; t <= 8; t++)
{
Random ran = new Random();
string math = (ran.Next() % 3) == 0 ? "High" : (ran.Next() % 2) == 0 ? "Release Breaker" : "Critical";
string progr = (ran.Next() % 3) == 0 ? "Started" : (ran.Next() % 2) == 0 ? "Open" : "In Progress";
root++;
int rootItem = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = rootItem, TaskName = "Parent Task " + rootItem.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = true, ParentID = null, Progress = progr, Priority = math, Duration = ran.Next(1, 50) });
int parent = tree.Count;
for (var c = 0; c < 3; c++)
{
root++;
string val = ((parent + c + 1) % 3 == 0) ? "Low" : "Critical";
int parn = parent + c + 1;
progr = (ran.Next() % 3) == 0 ? "In Progress" : (ran.Next() % 2) == 0 ? "Open" : "Validated";
int iD = tree.Count + root + 1;
tree.Add(new SelfReferenceData() { TaskID = iD, TaskName = "Child Task " + iD.ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = (((parent + c + 1) % 3) == 0), ParentID = rootItem, Progress = progr, Priority = val, Duration = ran.Next(1, 50) });
if ((((parent + c + 1) % 3) == 0))
{
int immParent = tree.Count;
for (var s = 0; s <= 1; s++)
{
root++;
string Prior = (immParent % 2 == 0) ? "Validated" : "Normal";
tree.Add(new SelfReferenceData() { TaskID = tree.Count + root + 1, TaskName = "Sub Task " + (tree.Count + root + 1).ToString(), StartDate = new DateTime(1992, 06, 07), EndDate = new DateTime(1994, 08, 25), isParent = false, ParentID = iD, Progress = (immParent % 2 == 0) ? "On Progress" : "Closed", Priority = Prior, Duration = ran.Next(1, 50) });
}
}
}
}
}
return tree;
}
}
}