DataColumnCollection.IndexOf Method (DataColumn)

Gets the index of a column specified by name.

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

public int IndexOf (
	DataColumn column
public int IndexOf (
	DataColumn column
public function IndexOf (
	column : DataColumn
) : int
Not applicable.



The name of the column to return.

Return Value

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;

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

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0

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