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How to: Make Columns Read-Only in the Windows Forms DataGridView Control 

Not all data is meant for editing. In the DataGridView control, the column ReadOnly property value determines whether users can edit cells in that column. For information about how to make the control entirely read-only, see How to: Prevent Row Addition and Deletion in the Windows Forms DataGridView Control.

There is support for this task in Visual Studio. How to: Make Columns Read-Only in the Windows Forms DataGridView Control Using the Designer
How to: Make Columns Read-Only in the Windows Forms DataGridView Control Using the Designer
How to: Make Columns Read-Only in the Windows Forms DataGridView Control Using the Designer
How to: Make Columns Read-Only in the Windows Forms DataGridView Control Using the Designer
How to: Make Columns Read-Only in the Windows Forms DataGridView Control Using the Designer

To make a column read-only programmatically

  • Set the System.Windows.Forms.DataGridViewColumn.ReadOnly property to true.

    dataGridView1.Columns["CompanyName"].ReadOnly = true;
    
    

Compiling the Code

This example requires:

  • A DataGridView control named dataGridView1 with a column named CompanyName.

  • References to the System and System.Windows.Forms assemblies.

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