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BudgetType.cs

Language: C#
Last Modified: 2020-06-27 1:58:30 PM UTC
File Size: 3262 bytes
http://www.penguinstew.ca/example/dataviewer/Model/BudgetType.cs
using System.Data.Linq;
using System.Data.Linq.Mapping;
using System.Linq;
namespace Budgeter.Model
{
[Table(Name="BudgetTypes")]
public class BudgetType : IRefreshableTable
{
#region Constructor
public BudgetType()
{
BudgetCategories = new EntitySet<BudgetCategory>();
BudgetMonths = new EntitySet<BudgetMonth>();
}
#endregion
#region Columns
/// <summary>
/// Unique ID
/// </summary>
[Column(IsPrimaryKey = true, IsDbGenerated = true)]
public int BudgetTypeId {get; set;}
/// <summary>
/// Name of the budget type
/// </summary>
[Column(DbType = "nvarchar(150) NOT NULL")]
public string Name { get; set; }
/// <summary>
/// Standard amount per month
/// </summary>
[Column]
public decimal StandardAmount { get; set; }
/// <summary>
/// True if still being used
/// </summary>
[Column]
public bool InUse {get; set;}
#endregion
#region Entities
private EntitySet<BudgetCategory> m_budgetCategories;
/// <summary>
/// Reference to the related category relations
/// </summary>
[Association(Storage = "m_budgetCategories", OtherKey = "BudgetTypeId")]
public EntitySet<BudgetCategory> BudgetCategories
{
get
{
return m_budgetCategories;
}
set
{
m_budgetCategories = value;
}
}
private EntitySet<BudgetMonth> m_budgetMonths;
/// <summary>
/// Reference to the related category relations
/// </summary>
[Association(Storage = "m_budgetMonths", OtherKey = "BudgetTypeId")]
public EntitySet<BudgetMonth> BudgetMonths
{
get
{
return m_budgetMonths;
}
set
{
m_budgetMonths = value;
}
}
#endregion
#region Properties
/// <summary>
/// Indicates if the budget type is just a simple group
/// </summary>
public bool IsGroup
{
get
{
return this.StandardAmount == 0;
}
}
#endregion
#region Overrides
/// <summary>
/// Returns name of the category
/// </summary>
/// <returns>String</returns>
public override string ToString()
{
return Name;
}
#endregion
#region IRefreshableTable
public void RefreshEntitySets(Connection.BudgeterDataContext connection)
{
BudgetCategories.Clear();
BudgetCategories.AddRange(connection.BudgetCategories.Where(c => c.BudgetTypeId == BudgetTypeId));
BudgetMonths.Clear();
BudgetMonths.AddRange(connection.BudgetMonths.Where(m => m.BudgetTypeId == BudgetTypeId));
}
#endregion
}
}
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