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MetaTable Class

.NET Framework 4.5

Other Versions

Represents the metadata that describes a table for use by Dynamic Data pages.

Inheritance Hierarchy

System.Object
System.Web.DynamicData.MetaTable

Namespace: System.Web.DynamicData
Assembly: System.Web.DynamicData (in System.Web.DynamicData.dll)

Syntax

C++

public class MetaTable

The MetaTable type exposes the following members.

Constructors

	Name	Description
	MetaTable	Initializes a new instance of the MetaTable class.

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Properties

	Name	Description
	Attributes	Gets the attributes that are associated with the table.
	Columns	Gets the column collection for the table.
	DataContextPropertyName	Gets the name of the table.
	DataContextType	Gets the type of the data context that is associated with the table.
	DisplayColumn	Gets the column that is used to display values when entries in this table are used as parents in foreign-key relationships.
	DisplayName	Gets the name of the table in a user-friendly format.
	EntityType	Gets the entity type that represents the table.
	ForeignKeyColumnsNames	Gets a comma-separated list of foreign-key names.
	HasPrimaryKey	Gets a value that indicates whether the table has a primary key.
	IsReadOnly	Gets a value that indicates whether the table is read-only.
	ListActionPath	Gets the action path of the list action for the table.
	Model	Gets the meta model that the table belongs to.
	Name	Gets the unique name of the table.
	PrimaryKeyColumns	Gets the collection of columns that define the primary key.
	Provider	Gets the provider for the table.
	RootEntityType	Gets the root type of the entity's inheritance hierarchy.
	Scaffold	Gets or sets a value that indicates whether the table should be displayed.
	SortColumn	Gets the MetaColumn value that the table is sorted by.
	SortDescending	Gets a value that indicates whether entries are sorted in descending order when they are used as parents in a foreign-key relationship.

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Methods

	Name	Description
	BuildAttributeCollection	Creates the attribute collection.
	CanDelete	Gets a value that indicates whether the specified user is allowed to perform delete operations.
	CanInsert	Gets a value that indicates whether the specified user is allowed to perform insert operations.
	CanRead	Gets a value that indicates whether the specified user is allowed to perform read operations.
	CanUpdate	Gets a value that indicates whether the specified user is allowed to perform update operations.
	CreateChildrenColumn	Creates a new MetaChildrenColumn object.
	CreateColumn	Creates a MetaColumn object.
	CreateContext	Returns the data context for the table.
	CreateForeignKeyColumn	Creates an object that contains foreign-key metadata.
	CreateTable(ICustomTypeDescriptor)	Creates the metadata for the specified table.
	CreateTable(Type)	Creates the metadata for the specified table.
	Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetActionPath(String)	Returns the action path for the current table and the specified action.
	GetActionPath(String, IList<Object>)	Returns the action path for the current table, specified action, and specified primary key.
	GetActionPath(String, Object)	Returns the action path for the specified row by using the name of the action.
	GetActionPath(String, RouteValueDictionary)	Returns the action path for the current table and for the specified action and routes.
	GetActionPath(String, IList<Object>, String)	Appends query strings to the action path, based on the specified primary key and virtual path.
	GetActionPath(String, Object, String)	Returns the action path for the specified row by using the name of the action and the virtual path of the action.
	GetColumn	Returns the metadata for the specified column.
	GetColumnValuesFromRoute	Gets the collection of column values.
	GetDataKeyFromRoute	Retrieves the primary key of the entity from the route values.
	GetDisplayString	Returns the value to use as the display string for an instance of a row when the row is used in foreign-key relationships.
	GetFilteredColumns	Retrieves a list of columns that are filterable.
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetPrimaryKeyDictionary	Retrieves a dictionary of primary-key names and values for the specified row.
	GetPrimaryKeyString(IList<Object>)	Returns a comma-separated list of column values that represent the primary key for the specified row.
	GetPrimaryKeyString(Object)	Returns a comma-separated list of column values that represent the primary key for the specified row.
	GetPrimaryKeyValues	Returns a collection of column values that represent the primary key for the specified row.
	GetQuery()	Returns the System.Linq.IQueryable instance for the entity type that represents the table.
	GetQuery(Object)	Returns the System.Linq.IQueryable instance for the entity type that represents the table by using the data context.
	GetScaffoldColumns	Returns a list of columns to display by using scaffolding.
	GetTable	Retrieves the metatable that is associated with the specified type.
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Initialize	Initializes data that may not be available when the constructor is called.
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ResetMetadata	Resets the cached metadata for the table.
	ToString	Returns the name of the table. (Overrides Object.ToString().)
	TryGetColumn	Returns a value that indicates whether a specified column can be found.
	TryGetTable	Retrieves the metatable that is associated with the specified type and table.

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Examples

The following example is part of the code-behind file for the Insert.aspx page template. The MetaTable instance is initialized in the Page_Load method. The title for the page is set to the table DisplayName property.

public partial class Insert : System.Web.UI.Page {
    protected MetaTable table;   

    protected void Page_Load(object sender, EventArgs e) {
        table = DetailsDataSource.GetTable();
        Title = table.DisplayName;
    }
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Reference

System.Web.DynamicData Namespace

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