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Category.cs

Language: C#
Last Modified: 2020-06-27 1:58:30 PM UTC
File Size: 3144 bytes
http://www.penguinstew.ca/example/dataviewer/Model/Category.cs
using System.Data.Linq;
using System.Data.Linq.Mapping;
using System.Linq;
namespace Budgeter.Model
{
[Table(Name = "Categories")]
public class Category : IRefreshableTable
{
#region Constructor
public Category()
{
Transactions = new System.Data.Linq.EntitySet<Transaction>();
}
#endregion
#region Columns
/// <summary>
/// Unique ID
/// </summary>
[Column(IsPrimaryKey = true, IsDbGenerated = true)]
public int CategoryId { get; set; }
/// <summary>
/// Name of the category
/// </summary>
[Column(DbType = "nvarchar(150) NOT NULL")]
public string Name { get; set; }
/// <summary>
/// Background colour displayed
/// </summary>
[Column(DbType = "nvarchar(7) NOT NULL")]
public string Colour { get; set; }
/// <summary>
/// Indicates the allowed to accounts
/// </summary>
[Column(DbType = "INT NOT NULL", CanBeNull=false)]
public Enums.AllowedAccounts ToAccount { get; set; }
/// <summary>
/// Indicates the allowed from accounts
/// </summary>
[Column(DbType = "INT NOT NULL", CanBeNull = false)]
public Enums.AllowedAccounts FromAccount { get; set; }
/// <summary>
/// The default to account to select
/// </summary>
[Column(DbType = "INT NOT NULL", CanBeNull = false)]
public Enums.Accounts DefaultToAccount { get; set; }
/// <summary>
/// The default from account to select
/// </summary>
[Column(DbType = "INT NOT NULL", CanBeNull = false)]
public Enums.Accounts DefaultFromAccount { get; set; }
/// <summary>
/// True if still being used
/// </summary>
[Column]
public bool InUse { get; set; }
#endregion
#region Entities
private EntitySet<Transaction> m_transactions;
/// <summary>
/// Reference to the related transactions
/// </summary>
[Association(Storage = "m_transactions", OtherKey = "CategoryId")]
public EntitySet<Transaction> Transactions
{
get
{
return m_transactions;
}
set
{
m_transactions = value;
}
}
#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)
{
m_transactions.Clear();
m_transactions.AddRange(connection.Transactions.Where(
t => t.CategoryId == CategoryId));
}
#endregion
}
}
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