/// <summary>
/// 添加栏目
/// </summary>
public static int Insert(Exhibition channel)
{
if (channel.ParentID == 0)
{
channel.Depth = 0;
channel.ParentID = 0;
channel.Path = "0~";
channel.NamePath = "所有栏目~";
channel.AddInsert("RootID", "IDENT_CURRENT('Exhibition')");
}
else
{
Exhibition condition = new Exhibition();
condition.ID = channel.ParentID;
Exhibition parentChannel = TableOperate <Exhibition> .GetRowData(condition);
string path = Convert.ToString(parentChannel.Path) + channel.ParentID + "~";
string namePath = Convert.ToString(parentChannel.NamePath) + Convert.ToString(parentChannel.Name) + "~";
channel.Depth = parentChannel.Depth + 1;
channel.Path = path;
channel.RootID = parentChannel.RootID;
channel.NamePath = namePath;
}
return(TableOperate <Exhibition> .InsertReturnID(channel));
}
/// <summary>
/// 修改栏目
/// </summary>
public static int Update(Exhibition channel)
{
//修改信息
Exhibition condition = new Exhibition();
condition.ID = channel.ID;
Exhibition oldChannel = TableOperate <Exhibition> .GetRowData(condition);
if (channel.ParentID != oldChannel.ParentID)
{
if (channel.ParentID == 0)
{
channel.Depth = 0;
channel.ParentID = 0;
channel.Path = "0~";
channel.NamePath = "所有栏目~";
channel.AddInsert("RootID", "IDENT_CURRENT('Exhibition')");
}
else
{
condition = new Exhibition();
condition.ID = channel.ParentID;
Exhibition parentChannel = TableOperate <Exhibition> .GetRowData(condition);
string path = Convert.ToString(parentChannel.Path) + channel.ParentID + "~";
string namePath = Convert.ToString(parentChannel.NamePath) + Convert.ToString(parentChannel.Name) + "~";
channel.Depth = parentChannel.Depth + 1;
channel.Path = path;
channel.RootID = parentChannel.RootID;
channel.NamePath = namePath;
}
}
else
{
channel.Depth = oldChannel.Depth;
channel.Path = oldChannel.Path;
channel.NamePath = oldChannel.NamePath;
channel.RootID = oldChannel.RootID;
}
//修改下面是有的子项的Depth， Path， RootID， NamePath
UpdateChild(channel, oldChannel);
return(TableOperate <Exhibition> .Update(channel));
}