dataGridView里面怎么对某一列上的输入做校验？

Question

dataGridView里面怎么对某一列上的输入做校验？这列是数字的，如果输入字母什么的就不理会哈

Answer 1

private void dgScore_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
        {
            // Validate the ColumnIndex == 6 ,7,8 entry  
            
            if (e.ColumnIndex == 6 || e.ColumnIndex ==7 || e.ColumnIndex == 8)
            {
                try
                {
                    if (String.IsNullOrEmpty(e.FormattedValue.ToString()))
                    {
                    }
                    else
                    {
                        decimal val = decimal.Parse(e.FormattedValue.ToString());
                    }
                }
                catch (Exception ex)
                {
                    dgScore.Rows[e.RowIndex].ErrorText = "必须输入数字";
                    MessageBox.Show("请输入数字 "); 
                    e.Cancel  =  true;
                }               
            }
        }