private ArrayList CreateAutoGeneratedFields(PagedDataSource dataSource)
{
if (dataSource == null)
{
return null;
}
ArrayList list = new ArrayList();
PropertyDescriptorCollection itemProperties = null;
bool flag = true;
itemProperties = dataSource.GetItemProperties(new PropertyDescriptor[0]);
if (itemProperties == null)
{
Type propertyType = null;
object firstDataItem = null;
PropertyInfo info = dataSource.DataSource.GetType().GetProperty("Item", BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance, null, null, new Type[] { typeof(int) }, null);
if (info != null)
{
propertyType = info.PropertyType;
}
if ((propertyType == null) || (propertyType == typeof(object)))
{
IEnumerator enumerator = dataSource.GetEnumerator();
if (enumerator.MoveNext())
{
firstDataItem = enumerator.Current;
}
else
{
flag = false;
}
if (firstDataItem != null)
{
propertyType = firstDataItem.GetType();
}
this.StoreEnumerator(enumerator, firstDataItem);
}
if ((firstDataItem != null) && (firstDataItem is ICustomTypeDescriptor))
{
itemProperties = TypeDescriptor.GetProperties(firstDataItem);
}
else if (propertyType != null)
{
if (BaseDataList.IsBindableType(propertyType))
{
Microsoft.Matrix.Framework.Web.UI.BoundField field = new Microsoft.Matrix.Framework.Web.UI.BoundField();
((IStateManager) field).TrackViewState();
field.HeaderText = "Item";
field.DataField = Microsoft.Matrix.Framework.Web.UI.BoundField.thisExpr;
field.SortExpression = "Item";
field.SetOwner(this);
list.Add(field);
}
else
{
itemProperties = TypeDescriptor.GetProperties(propertyType);
}
}
}
if ((itemProperties != null) && (itemProperties.Count != 0))
{
foreach (PropertyDescriptor descriptor in itemProperties)
{
if (BaseDataList.IsBindableType(descriptor.PropertyType) && ((this.AutoGenerateExcludeFields.Length == 0) || (Array.IndexOf(this.AutoGenerateExcludeFields, descriptor.Name) == -1)))
{
Microsoft.Matrix.Framework.Web.UI.BoundField field2 = new Microsoft.Matrix.Framework.Web.UI.BoundField();
((IStateManager) field2).TrackViewState();
field2.HeaderText = descriptor.Name;
field2.DataField = descriptor.Name;
field2.SortExpression = descriptor.Name;
field2.ReadOnly = descriptor.IsReadOnly;
field2.SetOwner(this);
list.Add(field2);
}
}
}
if ((list.Count == 0) && flag)
{
throw new HttpException(string.Format(Microsoft.Matrix.Framework.SR.GetString("MxDataGrid_NoAutoGenColumns"), this.ID));
}
return list;
}
protected override void LoadViewState(object savedState)
{
if (savedState != null)
{
object[] objArray = (object[]) savedState;
if (objArray[0] != null)
{
base.LoadViewState(objArray[0]);
}
if (objArray[1] != null)
{
((IStateManager) this.Fields).LoadViewState(objArray[1]);
}
if (objArray[2] != null)
{
((IStateManager) this.PagerStyle).LoadViewState(objArray[2]);
}
if (objArray[3] != null)
{
((IStateManager) this.HeaderStyle).LoadViewState(objArray[3]);
}
if (objArray[4] != null)
{
((IStateManager) this.FooterStyle).LoadViewState(objArray[4]);
}
if (objArray[5] != null)
{
((IStateManager) this.ItemStyle).LoadViewState(objArray[5]);
}
if (objArray[6] != null)
{
((IStateManager) this.AlternatingItemStyle).LoadViewState(objArray[6]);
}
if (objArray[7] != null)
{
((IStateManager) this.SelectedItemStyle).LoadViewState(objArray[7]);
}
if (objArray[8] != null)
{
((IStateManager) this.EditItemStyle).LoadViewState(objArray[8]);
}
if (objArray[9] != null)
{
object[] objArray2 = (object[]) objArray[9];
int length = objArray2.Length;
if (length != 0)
{
this.autoGenFieldsArray = new ArrayList();
}
else
{
this.autoGenFieldsArray = null;
}
for (int i = 0; i < length; i++)
{
Microsoft.Matrix.Framework.Web.UI.BoundField field = new Microsoft.Matrix.Framework.Web.UI.BoundField();
((IStateManager) field).TrackViewState();
((IStateManager) field).LoadViewState(objArray2[i]);
field.SetOwner(this);
this.autoGenFieldsArray.Add(field);
}
}
}
}