protected override string Render()
{
// Each ItemField derived type has the .HasValue() extension method
// that can be used to check whether such field has a value.
ItemFields fields = this.Model.GetFields();
/* *******************************************************************************
* TextField, XhtmlField, SingleLineTextField, MultiLineTextField, ExternalLinkField
* ***************************************************************************** */
bool hasValue = fields.GetField <TextField>("name").HasValue();
// Alternatives.
hasValue = fields.GetTexts("name").Count > 0;
hasValue = fields.GetText("name") != null;
/* *******************************************************************************
* ComponentLinkField, MultimediaLinkField
* ***************************************************************************** */
hasValue = fields.GetField <ComponentLinkField>("link").HasValue();
// Alternatives.
hasValue = fields.GetComponents("link").Count > 0;
hasValue = fields.GetComponent("link") != null;
/* *******************************************************************************
* EmbeddedSchemaField.
* ***************************************************************************** */
hasValue = fields.GetField <EmbeddedSchemaField>("paragraphs").HasValue();
// Alternatives.
hasValue = fields.GetEmbeddedFields("paragraphs").Count > 0;
hasValue = fields.GetEmbeddedField("paragraphs") != null;
/* *******************************************************************************
* Accessing DateField.
* ***************************************************************************** */
hasValue = fields.GetField <DateField>("publish_date").HasValue();
// Alternatives.
hasValue = fields.GetDates("publish_date").Count > 0;
hasValue = fields.GetDate("publish_date") != DateTime.MinValue;
/* *******************************************************************************
* NumberField.
* ***************************************************************************** */
hasValue = fields.GetField <NumberField>("age").HasValue();
// Alternatives.
hasValue = fields.GetNumbers("age").Count > 0;
hasValue = fields.GetNumber("age") != double.MinValue;
/* *******************************************************************************
* Accessing KeywordField.
* ***************************************************************************** */
hasValue = fields.GetField <KeywordField>("tag").HasValue();
// Alternatives.
hasValue = fields.GetKeywords("tag").Count > 0;
hasValue = fields.GetKeyword("tag") != null;
return(string.Empty);
}
protected override string Render()
{
// Model is a Component.
// Get ItemFields from Component. Then access individual fields from the ItemFields object.
ItemFields fields = this.Model.GetFields();
// Alternatively, it's possible to access individual fields directly from a
// Component. This is made possible for cases in which only one field is needed
// from a Component.
// In case you need to access more than one fields from a Component you should
// get the ItemFields (as above) then access the individual fields from the
// ItemFields object. This will make your code to execute faster.
string title = this.Model.GetText("title");
// Below are sample codes for accessing different ItemField types from ItemFields.
/* *******************************************************************************
* Accessing TextField, XhtmlField, SingleLineTextField, MultiLineTextField, ExternalLinkField
* ***************************************************************************** */
// IMPORTANT NOTE: when a handler for the TridionExtensions.XhtmlResolver delegate
// is assigned .GetText() will automatically resolve xhtml content from an XhtmlField.
// See IntranetController how the TridionExtensions.XhtmlResolver is assigned.
string text = fields.GetText("text");
IList <string> texts = fields.GetTexts("texts");
text = fields.GetField <TextField>("text").Value;
texts = fields.GetField <TextField>("texts").Values;
/* *******************************************************************************
* Accessing ComponentLinkField, MultimediaLinkField
* ***************************************************************************** */
Component component = fields.GetComponent("link");
IList <Component> components = fields.GetComponents("links");
// Alternatives.
component = fields.GetField <ComponentLinkField>("link").Value;
components = fields.GetField <ComponentLinkField>("links").Values;
/* *******************************************************************************
* Accessing EmbeddedSchemaField.
* ***************************************************************************** */
ItemFields embeddedField = fields.GetEmbeddedField("paragraphs");
IList <ItemFields> embeddedFields = fields.GetEmbeddedFields("paragraphs");
// Alternatives.
embeddedField = fields.GetField <EmbeddedSchemaField>("paragraphs").Value;
embeddedFields = fields.GetField <EmbeddedSchemaField>("paragraphs").Values;
/* *******************************************************************************
* Accessing DateField.
* ***************************************************************************** */
DateTime publishDate = fields.GetDate("publish_date");
IList <DateTime> publishDates = fields.GetDates("pubish_date");
// Alternatives.
publishDate = fields.GetField <DateField>("publish_date").Value;
publishDates = fields.GetField <DateField>("publish_date").Values;
/* *******************************************************************************
* Accessing NumberField.
* ***************************************************************************** */
double height = fields.GetNumber("height");
IList <double> heights = fields.GetNumbers("height");
// Alternatives.
height = fields.GetField <NumberField>("height").Value;
heights = fields.GetField <NumberField>("height").Values;
/* *******************************************************************************
* Accessing KeywordField.
* ***************************************************************************** */
Keyword tag = fields.GetKeyword("tag");
IList <Keyword> tags = fields.GetKeywords("tag");
// Alternatives.
tag = fields.GetField <KeywordField>("tag").Value;
tags = fields.GetField <KeywordField>("tag").Values;
return(string.Empty);
}