datagirdView 设定指定字母的颜色,等于H字母的为浅红色

RowPrePaint      private void dataGridView1_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)      {         if (e.RowIndex > 0 && dataGridView1.Rows.Count > 0)         {            foreach (DataGridViewRow r in dataGridView1.Rows)            {               foreach (DataGridViewColumn c in dataGridView1.Columns)               {                  if (dataGridView1.Rows[r.Index].Cells[c.Index].EditedFormattedValue.ToString().ToUpper().Trim() == "H")                  {                     dataGridView1.Rows[r.Index].Cells[c.Index].Style.BackColor = Color.LightCoral;                  }               }            }         }      }