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DataColumn.MaxLength Property

Gets or sets the maximum length of a text column.

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

public int MaxLength { get; set; }

Property Value

Type: System.Int32
The maximum length of the column in characters. If the column has no maximum length, the value is –1 (default).

The MaxLength property is ignored for non-text columns. A ArgumentException exception is raised if you assign MaxLength to a non-string column.

.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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