/// <summary>
/// Insert a item into collection
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
public void Insert(int index, DataSourceItem item)
{
if (item != null)
{
item.SetCollection(this);
}
list.Insert(index, item);
}
/// <summary>
/// Remove item from collection
/// </summary>
/// <param name="item">data source item</param>
public void Remove(DataSourceItem item)
{
if (item != null)
{
item.SetCollection(null);
}
list.Remove(item);
}
/// <summary>
/// Add a datasource item to collection
/// </summary>
/// <param name="item">datasource item</param>
/// <returns>index of item</returns>
public int Add(DataSourceItem item)
{
if (item != null)
{
item.SetCollection(this);
}
return list.Add(item);
}