private void button1_Click(object sender, EventArgs e)
        {
            string sql = "select * from saleBill";
            string DBConfig_sql = @"Data Source=5656FEAAC843486\SQLEXPRESS;Initial Catalog=Test;User ID=5656FEAAC843486\Administrator";
            DataSet ds = new DataSet();
            Sqlconnection sqlCon = new SqlConnection(DBConfig_sql);
            SqlCommand sqlCmd = new SqlCommand(sql,sqlCon);
            SqlDataAdapter sqlAd = new SqlDataAdapter();
            sqlAd.SelectCommand = sqlCmd;
            sqlAd.Fill(ds, "sql");            MISCrystalReport1.Load(Application.StartupPath + "MISCrystalReport.rpt");
            MISCrystalReport1.SetDataSource(ds.Tables["sql"]);
            crystalReportViewer1.ReportSource = MISCrystalReport1;
        }
//系统报错 说 5656FEAAC843486\Administrator这个用户 登陆失败,但是我用的就是这个用户名啊,用的WINDOWS集成验证,这个该怎么改呀,5656FEAAC843486\Administrator确实就是我的用户名啊我都无奈了怎么回事