/// <include file='doc\DataGridGeneralPage.uex' path='docs/doc[@for="DataGridGeneralPage.LoadDataSourceFields"]/*' />
/// <devdoc>
/// </devdoc>
private void LoadDataSourceFields()
{
EnterLoadingMode();
dataKeyFieldCombo.SelectedIndex = -1;
dataKeyFieldCombo.Items.Clear();
dataKeyFieldCombo.EnsureNotSetItem();
if (currentDataSource != null)
{
PropertyDescriptorCollection fields = currentDataSource.Fields;
if (fields != null)
{
IEnumerator fieldEnum = fields.GetEnumerator();
while (fieldEnum.MoveNext())
{
PropertyDescriptor fieldDesc = (PropertyDescriptor)fieldEnum.Current;
if (BaseDataList.IsBindableType(fieldDesc.PropertyType))
{
dataKeyFieldCombo.AddItem(fieldDesc.Name);
}
}
}
}
ExitLoadingMode();
}
/// <include file='doc\DataGridGeneralPage.uex' path='docs/doc[@for="DataGridGeneralPage.LoadDataSourceItems"]/*' />
/// <devdoc>
/// Loads the list of available IEnumerable components
/// </devdoc>
private void LoadDataSourceItems()
{
dataSourceCombo.EnsureNotSetItem();
ISite thisSite = GetSelectedComponent().Site;
if (thisSite != null)
{
IContainer container = (IContainer)thisSite.GetService(typeof(IContainer));
if (container != null)
{
ComponentCollection allComponents = container.Components;
if (allComponents != null)
{
foreach (IComponent comp in (IEnumerable)allComponents)
{
if ((comp is IEnumerable) || (comp is IListSource))
{
// must have a valid site and a name
ISite componentSite = comp.Site;
if ((componentSite == null) || (componentSite.Name == null) ||
(componentSite.Name.Length == 0))
{
continue;
}
DataSourceItem dsItem;
if (comp is IListSource)
{
// an IListSource
IListSource listSource = (IListSource)comp;
dsItem = new ListSourceDataSourceItem(componentSite.Name, listSource);
}
else
{
// found an IEnumerable
IEnumerable dataSource = (IEnumerable)comp;
dsItem = new DataSourceItem(componentSite.Name, dataSource);
}
dataSourceCombo.AddItem(dsItem);
}
}
}
}
}
}
/// <include file='doc\DataGridGeneralPage.uex' path='docs/doc[@for="DataGridGeneralPage.LoadDataMembers"]/*' />
/// <devdoc>
/// </devdoc>
private void LoadDataMembers()
{
EnterLoadingMode();
dataMemberCombo.SelectedIndex = -1;
dataMemberCombo.Items.Clear();
dataMemberCombo.EnsureNotSetItem();
if ((currentDataSource != null) && (currentDataSource is ListSourceDataSourceItem))
{
string[] dataMembers = ((ListSourceDataSourceItem)currentDataSource).DataMembers;
for (int i = 0; i < dataMembers.Length; i++)
{
dataMemberCombo.AddItem(dataMembers[i]);
}
}
ExitLoadingMode();
}