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DataGridViewColumn.ReadOnly Property

.NET Framework 4

Gets or sets a value indicating whether the user can edit the column's cells.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
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public override bool ReadOnly { get; set; }

Property Value

Type: System.Boolean
true if the user cannot edit the column's cells; otherwise, false.
Exception Condition
InvalidOperationException

This property is set to false for a column that is bound to a read-only data source.

The ReadOnly property affects the DataGridViewCell.ReadOnly property of each cell in the column.

The following code example demonstrates how to use the DataGridViewBand.ReadOnly property, which is nearly identical to the ReadOnly property of the DataGridViewColumn class. This code example is part of a larger example provided for the DataGridViewBand class overview.

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// Make the the entire DataGridView read only.
private void Button8_Click(object sender, System.EventArgs e)
{
    foreach (DataGridViewBand band in dataGridView.Columns)
    {
        band.ReadOnly = true;
    }
}

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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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datagirdview col readonly
I have try the code given here but it is not working. Plz give suggestion
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