DataAdapter插入数据

using (Conn = new SqlConnection(ConnectionString))
{
   //DataAdapter插入数据
   Conn.Open();//打开数据库连接
   string sqlstr = "select * from UserInfo2";
   SqlDataAdapter da = new SqlDataAdapter();
   SqlCommand insertcmd = new SqlCommand(sqlstr, Conn);
   SqlCommandBuilder cb = new SqlCommandBuilder(da);//自动生成插入数据的SQL语句，不能少
   da.SelectCommand = insertcmd;//必须设置此项
   DataSet ds = new DataSet();
   int count = da.Fill(ds, "UserInfo2");//填充DataSet
   if (count > 0)
   {
      DataRow dr = ds.Tables["UserInfo2"].NewRow();//添加新行
      dr["UserName"] = "小王";
      dr["Pwd"] = "123";
      ds.Tables["UserInfo2"].Rows.Add(dr);//此句不能少
      da.Update(ds, "UserInfo2");//更新数据库
   }
   ds.Clear();
   Response.Write("添加数据成功！");
}

 

转载于:https://www.cnblogs.com/Yellowshorts/archive/2013/01/21/2869267.html