DesignerDataColumn Class

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

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

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

public sealed class DesignerDataColumn

The DesignerDataColumn type exposes the following members.

  NameDescription
Public methodDesignerDataColumn(String, DbType)Initializes a new instance of the DesignerDataColumn class with the specified name and data type.
Public methodDesignerDataColumn(String, DbType, Object)Initializes a new instance of the DesignerDataColumn class with the specified name, data type, and default value.
Public methodDesignerDataColumn(String, DbType, Object, Boolean, Boolean, Boolean, Int32, Int32, Int32)Initializes a new instance of the DesignerDataColumn class with the specified values.
Top

  NameDescription
Public propertyDataTypeGets the data type of the data column.
Public propertyDefaultValueGets the default value of the data column.
Public propertyIdentityGets a value indicating whether the data column is an identity column for the data row.
Public propertyLengthGets the length in bytes of the data column.
Public propertyNameGets the name of the column in the data store.
Public propertyNullableGets a value indicating whether the column can be null in the data store.
Public propertyPrecisionGets the number of digits in a numeric data column.
Public propertyPrimaryKeyGets a value indicating whether the column is part of the table's primary key.
Public propertyScaleGets the number of digits to the right of the decimal point in a numeric column.
Top

  NameDescription
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
Top

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.

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, 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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2014 Microsoft