Hi Chuck,

value but the error message remains.  How can you clear the message if the
user ESCs out of the cell edit?

In this scenario, the CellEndEdit event of the datagridview is raise. You
could handle this event to clear the error message. Below is a sample of
handling the CellEndEdit event.

void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)
    {
           this.dataGridView1.Rows[e.RowIndex].ErrorText = "";
    }

You can also inherite a new class from DataGridView and override the
OnCellEndEdit method to clear the current row's error text.  Below is a
sample.

class MyDataGridView : DataGridView
   {
       protected override void OnCellEndEdit(DataGridViewCellEventArgs e)
       {
           this.Rows[e.RowIndex].ErrorText = "";
           base.OnCellEndEdit(e);
       }
    }

Hope this helps.
If you have anything unclear, please feel free to let me know.

Sincerely,
Linda Liu
Microsoft Online Community Support

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