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DataColumn.ReadOnly Property
.NET Framework 3.0
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)
Assembly: System.Data (in system.data.dll)
The following example creates a DataColumn and sets its ReadOnly property true.
private void AddColumn(DataTable table) { // Add a DataColumn to the collection and set its properties. // The constructor sets the ColumnName of the column. DataColumn column = table.Columns.Add("Total"); column.DataType = System.Type.GetType("System.Decimal"); column.ReadOnly = true; column.Expression = "UnitPrice * Quantity"; column.Unique = false; }
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.Community Additions
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