/// <summary>
/// <para>
/// Gets the HTML to be used for the design time representation
/// of the control.
/// </para>
/// </summary>
/// <returns>
/// <para>
/// The design time HTML.
/// </para>
/// </returns>
protected override String GetDesignTimeNormalHtml()
{
int sampleRows = 5;
bool dummyDataSource = false;
String oldLabelField, oldTableFields;
oldLabelField = _objectList.LabelField;
oldTableFields = _objectList.TableFields;
DesignerTextWriter htmlWriter = new DesignerTextWriter(true);
if (_objectList.DeviceSpecific != null)
{
_objectList.DeviceSpecific.SetDesignerChoice(CurrentChoice);
}
IEnumerable designTimeDataSource = GetDesignTimeDataSource(sampleRows, out dummyDataSource);
bool oldAutoGenerateFields = _objectList.AutoGenerateFields;
if ((oldAutoGenerateFields == false) && (_objectList.Fields.Count == 0))
{
// ensure that AutoGenerateFields is true when we don't have
// any fields defined, so we see atleast something at design time.
_objectList.AutoGenerateFields = true;
}
// Replace original labelfield with empty string to ensure dummy datasource will be rendered
if (dummyDataSource)
{
_objectList.LabelField = String.Empty;
_objectList.TableFields = String.Empty;
}
try
{
_objectList.DataSource = designTimeDataSource;
_objectList.DataBind();
_objectList.Adapter.Render(htmlWriter);
}
finally
{
_objectList.DataSource = null;
_objectList.AutoGenerateFields = oldAutoGenerateFields;
if (dummyDataSource)
{
_objectList.LabelField = oldLabelField;
_objectList.TableFields = oldTableFields;
}
// Remove controls created by databinding the DataSource
_objectList.Controls.Clear();
_objectList.InvalidateDisplayFieldIndices();
}
return(htmlWriter.ToString());
}
