ADO.net

　　　　string sqlcommand;
            string TextValue = TextBox1.Text.Trim();
            SqlConnection sqlConnection = new SqlConnection("Data Source=61.155.215.29;Initial Catalog=JFX;Persist Security Info=True;User ID=sa;Password=d043fi439yh7ug87GHfgFTfd3HI23efdEWQDE");  //数据库连接字符串
            if (!string.IsNullOrEmpty(TextValue))
            {
                sqlcommand = "select Id,LoginName,BusinessName,Phone,CreateTime From UserInfo where "
                                  + "LoginName=‘" + TextValue + "‘";
            }
            else
            {
                sqlcommand = "select Id,LoginName,BusinessName,Phone,CreateTime From UserInfo";
            }

            sqlConnection.Open();
            

　　　　　　//DataSet 绑定
            SqlCommand sqlcom = new SqlCommand(sqlcommand);
            SqlDataAdapter da = new SqlDataAdapter(sqlcommand, sqlConnection);
            DataSet ds = new DataSet();
            da.Fill(ds);
            Repeater1.DataSource = ds;

　　　　　　//DataRead绑定

       　　    SqlCommand sqlcom = new SqlCommand(sqlcommand,sqlConnection);
         　　   SqlDataReader dr = sqlcom.ExecuteReader();

   　　　　 Repeater1.DataSource = dr;
            Repeater1.DataBind();//数据绑定

ADO.net

原文：http://www.cnblogs.com/fanfh/p/3962044.html