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DataTable::Columns Property

.NET Framework 4.5

Gets the collection of columns that belong to this table.

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

public:
property DataColumnCollection^ Columns {
	DataColumnCollection^ get ();
}

Property Value

Type: System.Data::DataColumnCollection
A DataColumnCollection that contains the collection of DataColumn objects for the table. An empty collection is returned if no DataColumn objects exist.

Remarks

The DataColumnCollection determines the schema of a table by defining the data type of each column.

Examples

The following example prints each value of each row in a table using the Columns property.

C++

No code example is currently available or this language may not be supported.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 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.

Reference

DataTable Class

System.Data Namespace

Other Resources

DataTables (ADO.NET)

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