C#在DATAGRIDVIEW中怎么使一列=A列*B列,A列,B列都是手工录入的

C#在DATAGRIDVIEW中如何使一列=A列*B列,求救啊.A列,B列都是手工录入的
用什么事件,代码怎样写,,,,,,头痛
C#在DATAGRIDVIEW中如何使一列=A列*B列,求救啊.A列,B列都是手工录入的

[解决办法]

C# code

    protected void DataGridView_RowDataBound(object sender, GridViewRowEventArgs e)    {        try        {            if (e.Row.RowType == DataControlRowType.DataRow)            {                e.Row.Cell[2].Text= (Convert.ToInt32(e.Row.Cell[0].Text)*Convert.ToInt32(e.Row.Cell[1].Text)).ToString();            }        }        catch (Exception ex)        {        }    }