protected override AutoGeneratedField CreateAutoGeneratedRow(AutoGeneratedFieldProperties fieldProperties)
{
// Create an AutoGeneratedField object.
AutoGeneratedField field = new AutoGeneratedField(fieldProperties.DataField);
// Set the properties of the AutoGeneratedField using
// the values from the AutoGeneratedFieldProperties
// object contained in the fieldProperties parameter.
((IStateManager)field).TrackViewState();
field.HeaderText = fieldProperties.Name;
field.SortExpression = fieldProperties.Name;
field.ReadOnly = fieldProperties.IsReadOnly;
field.DataType = fieldProperties.Type;
return(field);
}
private object GetFieldValue(AutoGeneratedFieldProperties property, object obj, RecordField field)
{
if (field != null && !string.IsNullOrEmpty(field.ServerMapping))
{
string[] mapping = field.ServerMapping.Split('.');
if (mapping.Length > 1)
{
for (int i = 0; i < mapping.Length; i++)
{
PropertyInfo p = obj.GetType().GetProperty(mapping[i]);
obj = p.GetValue(obj, null);
if (obj == null)
{
return(null);
}
}
return(obj);
}
}
return(DataBinder.GetPropertyValue(obj, property.DataField));
}
private object GetFieldValue(AutoGeneratedFieldProperties property, object obj, RecordField field, System.Data.DataRow dataRow)
{
if (field != null && field.ServerMapping.IsNotEmpty())
{
string[] mapping = field.ServerMapping.Split('.');
if (mapping.Length > 1)
{
for (int i = 0; i < mapping.Length; i++)
{
if (dataRow != null && dataRow.IsNull(mapping[i]))
{
return(null);
}
PropertyInfo p = obj.GetType().GetProperty(mapping[i]);
try
{
obj = p.GetValue(obj, null);
}
catch (NullReferenceException e)
{
throw new NullReferenceException(String.Format("Mapped property '{0}' doesn't exist", mapping[i]));
}
if (obj == null)
{
return(null);
}
}
return(obj);
}
}
return((dataRow != null && dataRow.IsNull(property.DataField)) ? null : DataBinder.GetPropertyValue(obj, property.DataField));
}
protected override AutoGeneratedField CreateAutoGeneratedColumn(AutoGeneratedFieldProperties fieldProperties)
{
if (this.DesignMode)
{
return(base.CreateAutoGeneratedColumn(fieldProperties));
}
AutoGeneratedField tmpAutoGeneratedField = new AutoGeneratedField(fieldProperties.DataField);
string strFieldName = fieldProperties.Name;
if (this.AllowSorting)
{
tmpAutoGeneratedField.SortExpression = strFieldName;
}
tmpAutoGeneratedField.ReadOnly = fieldProperties.IsReadOnly;
tmpAutoGeneratedField.DataType = fieldProperties.Type;
if (fieldProperties.DataField == this.DataTextField)
{
tmpAutoGeneratedField.HeaderText = "Name";
return(tmpAutoGeneratedField);
}
else if (fieldProperties.DataField == this.DataValueField)
{
tmpAutoGeneratedField.HeaderText = "ID";
return(tmpAutoGeneratedField);
}
else if (fieldProperties.DataField == this.DataCodeField)
{
tmpAutoGeneratedField.HeaderText = "Code";
return(tmpAutoGeneratedField);
}
else
{
return(null);
}
}
AutoGeneratedFieldProperties[] CreateAutoFieldProperties(IEnumerable source, IEnumerator en)
{
Data = null;
JsonData = string.Empty;
if (this.SerializationMode == SerializationMode.Complex)
{
Data = source;
return(null);
}
if (source == null)
{
return(null);
}
if (source is string && source.ToString().StartsWith("http"))
{
this.JsonData = string.Format("'{0}'", source);
this.IsUrl = true;
return(null);
}
ITypedList typed = source as ITypedList;
PropertyDescriptorCollection props = typed == null ? null : typed.GetItemProperties(new PropertyDescriptor[0]);
Type prop_type;
ArrayList retVal = new ArrayList();
if (props == null)
{
object fitem = null;
prop_type = null;
PropertyInfo prop_item = source.GetType().GetProperty("Item",
BindingFlags.Instance | BindingFlags.Static |
BindingFlags.Public, null, null,
new Type[] { typeof(int) }, null);
if (prop_item != null)
{
prop_type = prop_item.PropertyType;
if (prop_type.IsInterface)
{
prop_type = null;
}
}
if (prop_type == null || prop_type == typeof(object))
{
if (en.MoveNext())
{
fitem = en.Current;
this.firstRecord = fitem;
}
if (fitem != null)
{
prop_type = fitem.GetType();
}
}
if (fitem != null && fitem is ICustomTypeDescriptor)
{
props = TypeDescriptor.GetProperties(fitem);
}
else if (prop_type != null)
{
if (IsBindableType(prop_type))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
((IStateManager)field).TrackViewState();
field.Name = "Item";
field.DataField = BoundField.ThisExpression;
field.Type = prop_type;
retVal.Add(field);
}
else
{
if (prop_type.IsArray)
{
Data = source;
return(null);
}
else
{
props = TypeDescriptor.GetProperties(prop_type);
}
}
}
}
if (props != null && props.Count > 0)
{
foreach (PropertyDescriptor current in props)
{
if (this.IsBindableType(current.PropertyType) || this.IsComplexField(current.Name))
{
AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties();
field.Name = current.Name;
field.DataField = current.Name;
retVal.Add(field);
}
}
}
if (retVal.Count > 0)
{
return((AutoGeneratedFieldProperties[])retVal.ToArray(typeof(AutoGeneratedFieldProperties)));
}
return(null);
}
