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DataColumn::ReadOnly Property

Gets or sets a value that indicates whether the column allows for changes as soon as a row has been added to the table.

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

public:
property bool ReadOnly {
	bool get ();
	void set (bool value);
}

Property Value

Type: System::Boolean
true if the column is read only; otherwise, false. The default is false.

ExceptionCondition
ArgumentException

The property is set to false on a computed column.

The following example creates a DataColumn and sets its ReadOnly property true.

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

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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