public IEnumerable GetResolvedSelectedDataSource()
{
IEnumerable enumerable = null;
DataBinding binding = base.DataBindings["DataSource"];
if (binding != null)
{
enumerable = DesignTimeData.GetSelectedDataSource(base.Component, binding.Expression, this.DataMember);
}
return(enumerable);
}
public object GetSelectedDataSource()
{
object selectedDataSource = null;
DataBinding binding = base.DataBindings["DataSource"];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(base.Component, binding.Expression);
}
return(selectedDataSource);
}
/// <summary>
/// Used by the DataMemberConverter to resolve the DataSource which it can then use
/// to populate a drop down box containing a list of available tables.
/// </summary>
/// <returns>The object that is our DataSource</returns>
object IDataSourceProvider.GetSelectedDataSource()
{
DataBinding binding;
binding = this.DataBindings["DataSource"];
if (binding != null)
{
return(DesignTimeData.GetSelectedDataSource(this.Component, binding.Expression));
}
return(null);
}
/// <summary>
/// Used by the DataFieldConverter to resolve the DataSource and DataMember combination
/// so that it can populate a dropdown with a list of available fields.
/// </summary>
IEnumerable IDataSourceProvider.GetResolvedSelectedDataSource()
{
DataBinding binding;
binding = this.DataBindings["DataSource"];
if (binding != null)
{
return(DesignTimeData.GetSelectedDataSource(this.Component, binding.Expression, this.DataMember));
}
return(null);
}
object IDataSourceProvider.GetSelectedDataSource()
{
object selectedDataSource = null;
DataBinding binding = base.DataBindings["DataSource"];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource((DataBoundControl)base.Component, binding.Expression);
}
return(selectedDataSource);
}
IEnumerable IDataSourceProvider.GetResolvedSelectedDataSource()
{
IEnumerable enumerable = null;
DataBinding binding = base.DataBindings["DataSource"];
if (binding != null)
{
enumerable = DesignTimeData.GetSelectedDataSource((DataBoundControl)base.Component, binding.Expression, this.DataMember);
}
return(enumerable);
}
IEnumerable IDataSourceProvider.GetResolvedSelectedDataSource()
{
IEnumerable selectedDataSource = null;
DataBinding binding = DataBindings["DataSource"];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(Component, binding.Expression, DataMember);
}
return(selectedDataSource);
}
/// <include file='doc\BaseDataListDesigner.uex' path='docs/doc[@for="BaseDataListDesigner.GetResolvedSelectedDataSource"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public IEnumerable GetResolvedSelectedDataSource()
{
IEnumerable selectedDataSource = null;
DataBinding binding = DataBindings["DataSource"];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(bdl, binding.Expression, DataMember);
}
return(selectedDataSource);
}
/// <summary>
/// <para>
/// Gets the selected data source component from the component's container.
/// </para>
/// </summary>
/// <returns>
/// <para>
/// An IEnumerable with the
/// selected data source, or <see langword='null'/> if a data source is not found, or if a data
/// source with the same name does not exist.
/// </para>
/// </returns>
/// <seealso cref='System.Web.UI.Design.IDataSourceProvider'/>
public Object GetSelectedDataSource()
{
Object selectedDataSource = null;
DataBinding binding = DataBindings[_dataSourcePropertyName];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(_objectList, binding.Expression);
}
return(selectedDataSource);
}
public IEnumerable GetResolvedSelectedDataSource()
{
IEnumerable selectedDataSource = null;
DataBinding binding = DataBindings[_dataSourcePropertyName];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(_objectList, binding.Expression, DataMember);
}
return(selectedDataSource);
}
/// <include file='doc\RepeaterDesigner.uex' path='docs/doc[@for="RepeaterDesigner.GetSelectedDataSource"]/*' />
/// <devdoc>
/// Retrieves the selected datasource component from the component's container.
/// </devdoc>
public object GetSelectedDataSource()
{
object selectedDataSource = null;
DataBinding binding = DataBindings["DataSource"];
if (binding != null)
{
selectedDataSource = DesignTimeData.GetSelectedDataSource(repeater, binding.Expression);
}
return(selectedDataSource);
}
protected virtual IHierarchicalEnumerable GetDesignTimeDataSource()
{
bool flag;
IHierarchicalEnumerable designTimeData = null;
DesignerHierarchicalDataSourceView designerView = this.DesignerView;
if (designerView != null)
{
try
{
designTimeData = designerView.GetDesignTimeData(out flag);
}
catch (Exception exception)
{
if (base.Component.Site != null)
{
IComponentDesignerDebugService service = (IComponentDesignerDebugService)base.Component.Site.GetService(typeof(IComponentDesignerDebugService));
if (service != null)
{
service.Fail(System.Design.SR.GetString("DataSource_DebugService_FailedCall", new object[] { "DesignerHierarchicalDataSourceView.GetDesignTimeData", exception.Message }));
}
}
}
}
else
{
DataBinding binding = base.DataBindings["DataSource"];
if (binding != null)
{
designTimeData = DesignTimeData.GetSelectedDataSource(base.Component, binding.Expression, null) as IHierarchicalEnumerable;
}
}
if (designTimeData != null)
{
ICollection is2 = designTimeData as ICollection;
if ((is2 == null) || (is2.Count > 0))
{
return(designTimeData);
}
}
flag = true;
return(this.GetSampleDataSource());
}
/// <include file='doc\DataFieldConverter.uex' path='docs/doc[@for="DataFieldConverter.GetStandardValues"]/*' />
/// <devdoc>
/// <para>
/// Gets the fields present within the selected data source if information about them is available.
/// </para>
/// </devdoc>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
object[] names = null;
String dataMember = null;
bool autoGenerateFields = false;
bool autoGenerateFieldsSet = false;
ObjectList objectList = null;
if (context != null)
{
ArrayList list = new ArrayList();
PropertyDescriptorCollection props = null;
IComponent component = context.Instance as IComponent;
if (component is IDeviceSpecificChoiceDesigner)
{
Object owner = ((ChoicePropertyFilter)component).Owner;
PropertyDescriptor pd =
((ICustomTypeDescriptor)component).GetProperties()[_dataMemberPropertyName];
Debug.Assert(pd != null, "Cannot get DataMember");
if (owner is ObjectList)
{
autoGenerateFields = ((ObjectList)owner).AutoGenerateFields;
autoGenerateFieldsSet = true;
}
component = ((IDeviceSpecificChoiceDesigner)component).UnderlyingControl;
// See if owner already has a DataMember
dataMember = (String)pd.GetValue(owner);
Debug.Assert(dataMember != null);
if (dataMember == String.Empty)
{
// Get it from underlying object.
dataMember = (String)pd.GetValue(component);
Debug.Assert(dataMember != null);
}
}
if (component != null)
{
objectList = component as ObjectList;
if (objectList != null)
{
foreach (ObjectListField field in objectList.Fields)
{
list.Add(field.Name);
}
if (!autoGenerateFieldsSet)
{
autoGenerateFields = objectList.AutoGenerateFields;
}
}
if (objectList == null || autoGenerateFields)
{
ISite componentSite = component.Site;
if (componentSite != null)
{
IDesignerHost designerHost = (IDesignerHost)componentSite.GetService(typeof(IDesignerHost));
if (designerHost != null)
{
IDesigner designer = designerHost.GetDesigner(component);
if (designer is IDataSourceProvider)
{
IEnumerable dataSource = null;
if (dataMember != null && dataMember != String.Empty)
{
DataBindingCollection dataBindings =
((HtmlControlDesigner)designer).DataBindings;
DataBinding binding = dataBindings[_dataSourcePropertyName];
if (binding != null)
{
dataSource =
DesignTimeData.GetSelectedDataSource(
component,
binding.Expression,
dataMember);
}
}
else
{
dataSource =
((IDataSourceProvider)designer).GetResolvedSelectedDataSource();
}
if (dataSource != null)
{
props = DesignTimeData.GetDataFields(dataSource);
}
}
}
}
}
}
if (props != null)
{
foreach (PropertyDescriptor propDesc in props)
{
list.Add(propDesc.Name);
}
}
names = list.ToArray();
Array.Sort(names);
}
return(new StandardValuesCollection(names));
}
