DataTable.Columns Property

public DataColumnCollection Columns { get; }

/** @property */
public DataColumnCollection get_Columns ()

public function get Columns () : DataColumnCollection

Not applicable.

Property Value

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

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

private void PrintValues(DataTable table)
{
    foreach(DataRow row in table.Rows)
    {
        foreach(DataColumn column in table.Columns)
        {
            Console.WriteLine(row[column]);
        }
    }
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

.NET Compact Framework

XNA Framework