gridview编辑状态时textbox的大小调整

protected void GVbiangeng_RowDataBound(object sender, GridViewRowEventArgs e)    {        if ((e.Row.RowState == (DataControlRowState.Edit | DataControlRowState.Alternate)) || (e.Row.RowState == DataControlRowState.Edit))        {            TextBox curText;            for (int i = 0; i < 2; i++)            {                curText = (TextBox)e.Row.Cells[i].Controls[0];                curText.TextMode = TextBoxMode.MultiLine;                //curText.Width = Unit.Pixel(600);                //curText.Height = Unit.Pixel(100);                curText.Attributes.Add("style ", "width:100%;overflow:visible ");            }        }    }

效果：