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How to make individual cells editable ?
posted

Hi, I have an editable column on my WebHierarchicalDataGrid.   The column setting is like this :

<ig:EditingColumnSetting ColumnKey="Comments" ReadOnly="false"/>

But I want to make the cells editable only when they are blank. If the user enter text into some cell,  the cell should turn into non-editable, until the database refresh the cell and make it blank again.  So I have two questions :

1. How to make individual cells editable instead of the entire column  ?

2. What event should I use to detect user inputting and make the cell non-editable  ?

 

Thank you