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DataColumnCollection.IndexOf Method (DataColumn)

Gets the index of a column specified by name.

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

public int IndexOf(
	DataColumn column
)

Parameters

column
Type: System.Data.DataColumn

The name of the column to return.

Return Value

Type: System.Int32
The index of the column specified by column if it is found; otherwise, -1.

The IndexOf method is not case-sensitive.

The following example uses the Contains method to determine whether a specified column exists in a DataColumnCollection. If so, the IndexOf method returns the index of the column.

private void GetIndex(DataTable table)
{
    DataColumnCollection columns = table.Columns;
    if(columns.Contains("City")) 
    {
        Console.WriteLine(columns.IndexOf("City"));
    }
}

.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

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.

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