DesignerDataColumn Class

.NET Framework (current version)

Represents a column of a table or view in the data store accessed through a data connection. This class cannot be inherited.

Namespace: System.ComponentModel.Design.Data
Assembly: System.Design (in System.Design.dll)

Inheritance Hierarchy

System::Object
System.ComponentModel.Design.Data::DesignerDataColumn

Syntax

C++

public ref class DesignerDataColumn sealed

Constructors

	Name	Description
	DesignerDataColumn(String^, DbType)	Initializes a new instance of the DesignerDataColumn class with the specified name and data type.
	DesignerDataColumn(String^, DbType, Object^)	Initializes a new instance of the DesignerDataColumn class with the specified name, data type, and default value.
	DesignerDataColumn(String^, DbType, Object^, Boolean, Boolean, Boolean, Int32, Int32, Int32)	Initializes a new instance of the DesignerDataColumn class with the specified values.

Properties

	Name	Description
	DataType	Gets the data type of the data column.
	DefaultValue	Gets the default value of the data column.
	Identity	Gets a value indicating whether the data column is an identity column for the data row.
	Length	Gets the length in bytes of the data column.
	Name	Gets the name of the column in the data store.
	Nullable	Gets a value indicating whether the column can be null in the data store.
	Precision	Gets the number of digits in a numeric data column.
	PrimaryKey	Gets a value indicating whether the column is part of the table's primary key.
	Scale	Gets the number of digits to the right of the decimal point in a numeric column.

Methods

	Name	Description
	Equals(Object^)	Determines whether the specified object is equal to the current object.(Inherited from Object.)
	GetHashCode()	Serves as the default hash function. (Inherited from Object.)
	GetType()	Gets the Type of the current instance.(Inherited from Object.)
	ToString()	Returns a string that represents the current object.(Inherited from Object.)

The DesignerDataColumn class is one of several types that represent the schema of a data store at design-time. These schema items are made available to controls by designers implementing the IDataEnvironment interface. Controls access schema objects by calling the GetConnectionSchema method of the interface.

Version Information

.NET Framework
Available since 2.0

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.