/// <include file='doc\DataGridGeneralPage.uex' path='docs/doc[@for="DataGridGeneralPage.OnSelChangedDataMember"]/*' />
/// <devdoc>
/// Handles changes in the datamember selection
/// </devdoc>
private void OnSelChangedDataMember(object source, EventArgs e)
{
if (IsLoading())
{
return;
}
string newDataMember = null;
if (dataMemberCombo.IsSet())
{
newDataMember = (string)dataMemberCombo.SelectedItem;
}
Debug.Assert((currentDataSource != null) && (currentDataSource is ListSourceDataSourceItem));
ListSourceDataSourceItem dsItem = (ListSourceDataSourceItem)currentDataSource;
dsItem.CurrentDataMember = newDataMember;
LoadDataSourceFields();
dataSourceDirty = true;
SetDirty();
UpdateEnabledVisibleState();
}
/// <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);
}
}
}
}
}
}
private void LoadDataSourceItems()
{
this._cmbDataSource.EnsureNotSetItem();
ISite site = base.GetSelectedComponent().Site;
if (site != null)
{
IContainer service = (IContainer) site.GetService(typeof(IContainer));
if (service != null)
{
ComponentCollection components = service.Components;
if (components != null)
{
foreach (IComponent component in components)
{
if (!(component is IEnumerable) && !(component is IListSource))
{
continue;
}
ISite site2 = component.Site;
if (((site2 != null) && (site2.Name != null)) && (site2.Name.Length != 0))
{
DataSourceItem item;
if (component is IListSource)
{
IListSource runtimeListSource = (IListSource) component;
item = new ListSourceDataSourceItem(site2.Name, runtimeListSource);
}
else
{
IEnumerable runtimeDataSource = (IEnumerable) component;
item = new DataSourceItem(site2.Name, runtimeDataSource);
}
this._cmbDataSource.AddItem(item);
}
}
}
}
}
}