public static ClientDataSet.EntityNodeDataTable GetEntityNodesTree(Guid organizationId, Guid?instanceId, Guid entityId, string entityName)
{
ClientDataSet.EntityNodeDataTable table = null;
using (EntityNodeTableAdapter adapter = new EntityNodeTableAdapter(OrganizationProvider.GetConnectionString(organizationId)))
{
table = adapter.GetEntityNodesByEntityId(entityId, organizationId, instanceId);
}
string customRootNodeText = EntityFieldProvider.Entities[entityId.ToString()].CustomRootNodeText;
ClientDataSet.EntityNodeRow rootRow = table.NewEntityNodeRow();
rootRow.EntityNodeId = Guid.Empty;
if (!string.IsNullOrEmpty(customRootNodeText))
{
rootRow.Name = customRootNodeText.Replace("#organizationName#", UserContext.Current.Organization.Name);
}
else
{
rootRow.Name = entityName;
}
rootRow.EntityId = entityId;
rootRow.OrganizationId = organizationId;
rootRow.SetParentEntityNodeIdNull();
table.AddEntityNodeRow(rootRow);
foreach (ClientDataSet.EntityNodeRow row in table)
{
if (row.EntityNodeId != Guid.Empty)
{
if (row.IsParentEntityNodeIdNull())
{
row.ParentEntityNodeId = Guid.Empty;
}
}
}
table.AcceptChanges();
return(table);
}
/// <summary>
/// Changes the parent of the specified entity node.
/// </summary>
/// <param name="entityNodeId">The identifier of the entity node.</param>
/// <param name="parentEntityNodeId">The identifier of new parent of the entity node.</param>
public static void ChangeParentEntityNode(Guid entityNodeId, Guid?parentEntityNodeId)
{
Guid organizationId = UserContext.Current.OrganizationId;
ClientDataSet.EntityNodeRow row = GetEntityNode(entityNodeId, organizationId);
if (row != null)
{
if (parentEntityNodeId.HasValue && (parentEntityNodeId.Value != Guid.Empty))
{
row.ParentEntityNodeId = parentEntityNodeId.Value;
}
else
{
row.SetParentEntityNodeIdNull();
}
using (EntityNodeTableAdapter adapter = new EntityNodeTableAdapter(OrganizationProvider.GetConnectionString(organizationId)))
{
adapter.Update(row);
}
}
}