.net2005连接数据库

using System;
using System.Collections.Generic;
using System.Text;

namespace WindowsApplication9
{
    public class Class1
    {
        public Class1()
        {

        }
        string strConn = "server=192.168.1.1;Initial Catalog=test;Integrated Security=True";
        public void ma(){


            using (System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(strConn))
            {
                conn.Open();
                using (System.Data.SqlClient.SqlCommand command = conn.CreateCommand())
                {
                    command.CommandText = "select * from table1";
                    using (System.Data.SqlClient.SqlDataAdapter adp = new System.Data.SqlClient.SqlDataAdapter(command))
                    {
                        System.Data.DataSet ds = new System.Data.DataSet();
                        adp.Fill(ds);
                        dataGridView1.DataSource = ds.Tables[0];
                }

                conn.Close();
            }
        }
    }
    }
}







高手来帮菜鸟找错！ --------------------编程问答--------------------

using System;

using System.Collections.Generic;

using System.Text;





namespace WindowsApplication9

{

    public class Class1

    {

        public Class1()

        {



        }

        string strConn = "server=192.168.1.1;Initial Catalog=test;Integrated Security=True";

        public void ma(){

       

       

            using (System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(strConn))

            {

                conn.Open();

                using (System.Data.SqlClient.SqlCommand command = conn.CreateCommand())

                {

                    command.CommandText = "select * from table1";

                    using (System.Data.SqlClient.SqlDataAdapter adp = new System.Data.SqlClient.SqlDataAdapter(command))

                    {

                        System.Data.DataSet ds = new System.Data.DataSet();

                        adp.Fill(ds);

                        dataGridView1.DataSource = ds.Tables[0];

                        dataGridView1.DataBind();

                }

               

                conn.Close();

            }

        }

    }

    }

}

--------------------编程问答-------------------- 说什么上下文不存在dataGridView1。该在那里写什么？
--------------------编程问答--------------------

dataGridView1.DataBind();

如果是WEBFORM需加此一句话 --------------------编程问答-------------------- 还不对哦。。说什么上下文不存在名称“dataGridView1
”

补充：.NET技术 ,  C#