DataGridView控件隔行换色

原理就是先判断所在的行是偶数行还是奇数行，然后设置当前行的当前样式为需要的就可以了。

  
    

   
      SqlConnection conn 
   
     =
   
      
   
     new
   
      SqlConnection(
   
     @"
   
     数据库连接字符串
   
     "
   
     );
 SqlDataAdapter sda 
   
     =
   
      
   
     new
   
      SqlDataAdapter(
   
     "
   
     select * from CarColor
   
     "
   
     , conn);
 DataSet ds 
   
     =
   
      
   
     new
   
      DataSet();
 sda.Fill(ds);
 dataGridView1.DataSource 
   
     =
   
      ds.Tables[
   
     0
   
     ];
 dataGridView1.SelectionMode 
   
     =
   
      DataGridViewSelectionMode.FullRowSelect;
 
   
     foreach
   
      (DataGridViewRow dgvr 
   
     in
   
      dataGridView1.Rows)
 {
 
   
     if
   
      (dgvr.Index 
   
     %
   
      
   
     2
   
      
   
     ==
   
      
   
     0
   
     )
 {
 dataGridView1.Rows[dgvr.Index].DefaultCellStyle.BackColor 
   
     =
   
      Color.WhiteSmoke;
 
 }
 
   
     else
   
     
 {
 dataGridView1.Rows[dgvr.Index].DefaultCellStyle.BackColor 
   
     =
   
      Color.LightCyan;
 }
 }