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protected override bool ProcessCmdKey(ref Message msg, Keys keyData)

{ // 判断是否按下Enter键且当前Cell不为空 if (keyData == Keys.Enter && this.dataGridView1.CurrentCell != null) { // Jump to next cell when Enter is pressed int columnIndex = dataGridView1.CurrentCell.ColumnIndex;

if (columnIndex == 6)  
    {  
        // Check if it's the last row to avoid out-of-bounds  
        if (dataGridView1.CurrentCell.RowIndex + 1 == dataGridView1.Rows.Count)  
        {  
            return true;  
        }  
        // Move focus to the next cell in the same row  
        dataGridView1.CurrentCell = dataGridView1[2, dataGridView1.CurrentCell.RowIndex + 1];  
    }  
    // HandleTab key logic for other columns  
    if (columnIndex == 7)  
    {  
        return base.ProcessCmdKey(ref msg, keyData);  
    }  
    // Send Tab key for other columns  
    SendKeys.Send("{Tab}");  
    return true;  
}  
// Default handling for other keys  
return base.ProcessCmdKey(ref msg, keyData);

}

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