C#连接EXCEL数据库

  
    

   
      
   
     using
   
      System.Data.OleDb; 
   
     //
   
     命名空间
  
    
  
    

   
      private void button1_Click(object sender, EventArgs e) 
  
    
  
    

   
      {  
  
    
  
    

   
      string strConn = @"Provider=Microsoft.Jet.OLEDB.4.0;
   
     Data Source=student.xls; Extended Properties=Excel 8.0;"; 
  
    
  
    

   
      OleDbConnection conn 
   
     =
   
      
   
     new
   
      OleDbConnection(strConn)
 
   
     string
   
      sql 
   
     =
   
      
   
     "
   
     select * from [student$]
   
     "
   
     ; 
   
     //
   
     注意EXCEL数据库表形式
   
     

   
      OleDbCommand cmd 
   
     =
   
      
   
     new
   
      OleDbCommand(sql, conn); 
 OleDbDataAdapter oda 
   
     =
   
      
   
     new
   
      OleDbDataAdapter(cmd); 
 DataSet ds 
   
     =
   
      
   
     new
   
      DataSet(); 
 oda.Fill(ds,
   
     "
   
     student
   
     "
   
     ); 
 dataGridView1.DataSource
   
     =
   
      ds.Tables[
   
     0
   
     ];  
  
    
  
    

   
      }