private IEnumerable GetDesignTimeDataSource(int minimumRows)
{
IEnumerable selectedDataSource = ((IDataSourceProvider)this).GetResolvedSelectedDataSource();
DataTable dataTable = _designTimeDataTable;
// Use the data table corresponding to the selected data source if possible.
if (dataTable == null)
{
if (selectedDataSource != null)
{
_designTimeDataTable = DesignTimeData.CreateSampleDataTable(selectedDataSource);
dataTable = _designTimeDataTable;
}
if (dataTable == null)
{
// Fall back on a dummy data source if we can't create a sample data table.
if (_dummyDataTable == null)
{
_dummyDataTable = DesignTimeData.CreateDummyDataTable();
}
dataTable = _dummyDataTable;
}
}
IEnumerable liveDataSource = DesignTimeData.GetDesignTimeDataSource(dataTable, minimumRows);
return(liveDataSource);
}
private IEnumerable GetDesignTimeDataSource(int minimumRows)
{
IEnumerable selectedDataSource = ((IDataSourceProvider)this).GetResolvedSelectedDataSource();
DataTable dtTable = new DataTable();
if (dtTable == null)
{
if (selectedDataSource != null)
{
dtTable = DesignTimeData.CreateSampleDataTable(selectedDataSource);
}
if (dtTable == null)
{
if (dummyTable == null)
{
dummyTable = DesignTimeData.CreateDummyDataTable();
}
dtTable = dummyTable;
}
}
IEnumerable realDataSource = DesignTimeData.GetDesignTimeDataSource(dtTable, minimumRows);
return(realDataSource);
}
/// <include file='doc\BaseDataListDesigner.uex' path='docs/doc[@for="BaseDataListDesigner.GetDesignTimeDataSource1"]/*' />
/// <devdoc>
/// <para>
/// Gets sample data matching the schema of the selected data source.
/// </para>
/// </devdoc>
protected IEnumerable GetDesignTimeDataSource(IEnumerable selectedDataSource, int minimumRows, out bool dummyDataSource)
{
DataTable dataTable = designTimeDataTable;
dummyDataSource = false;
// use the datatable corresponding to the selected datasource if possible
if (dataTable == null)
{
if (selectedDataSource != null)
{
designTimeDataTable = DesignTimeData.CreateSampleDataTable(selectedDataSource);
dataTable = designTimeDataTable;
}
if (dataTable == null)
{
// fallback on a dummy datasource if we can't create a sample datatable
if (dummyDataTable == null)
{
dummyDataTable = DesignTimeData.CreateDummyDataTable();
}
dataTable = dummyDataTable;
dummyDataSource = true;
}
}
IEnumerable liveDataSource = DesignTimeData.GetDesignTimeDataSource(dataTable, minimumRows);
return(liveDataSource);
}
protected virtual IEnumerable GetSampleDataSource()
{
DataTable dataTable = null;
if (((DataBoundControl)base.Component).DataSourceID.Length > 0)
{
dataTable = DesignTimeData.CreateDummyDataBoundDataTable();
}
else
{
dataTable = DesignTimeData.CreateDummyDataTable();
}
return(DesignTimeData.GetDesignTimeDataSource(dataTable, this.SampleRowCount));
}
protected IEnumerable GetDesignTimeDataSource(IEnumerable selectedDataSource, int minimumRows)
{
DataTable designTimeDataTable = this.designTimeDataTable;
if (designTimeDataTable == null)
{
if (selectedDataSource != null)
{
this.designTimeDataTable = DesignTimeData.CreateSampleDataTable(selectedDataSource);
designTimeDataTable = this.designTimeDataTable;
}
if (designTimeDataTable == null)
{
if (this.dummyDataTable == null)
{
this.dummyDataTable = DesignTimeData.CreateDummyDataTable();
}
designTimeDataTable = this.dummyDataTable;
}
}
return(DesignTimeData.GetDesignTimeDataSource(designTimeDataTable, minimumRows));
}
