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Check Box in header of Grid View

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GridView
This is a migrated thread and some comments may be shown as answers.
hao
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hao asked on 07 May 2011, 10:01 AM
Hi, i tried to follow this KB "how to add a checkbox header" to add a checkbox to the header of a checkboxcolumn of grid view
but when ever i try to scroll till the Column(which contains the Check box in its header) disappears behind the grid NullRefrenceException Happens in this method
 public override void Detach()
        {
            base.Detach();
            this.GridControl.ValueChanged -= GridControl_ValueChanged;
        }

im using the latest version

thank you

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Richard Slade
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answered on 09 May 2011, 12:06 PM
Hello,

Please have a look at this forum answer which I am sure will solve your issue.
Regards,
Richard
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