this.progressTableAdapter.Fill(this.progressGraphDataSet.Progress);
DataSet ds = new System.Data.DataSet();
DataTable dt = new DataTable();
dt.Columns.Add("X");
dt.Columns.Add("Y");

string connection = @"Data Source=../../Database1.sdf";
SqlCeConnection cn = new SqlCeConnection(connection);

try
{
    cn.Open();
}
catch (SqlCeException ex)
{
    MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
    Application.ExitThread();
}

SqlCeDataAdapter adt = new SqlCeDataAdapter("SELECT * FROM Progress WHERE User_ID ='" + ClassGlobal.userID + "' AND Difficulty = 1", cn);
SqlCeCommandBuilder commBuilder = new SqlCeCommandBuilder(adt);

adt.MissingSchemaAction = MissingSchemaAction.AddWithKey;
adt.Fill(dt);

this.progressChart.DataSource = dt;

ds.Tables.Add(dt);
progressChart.DataSource = ds;
progressChart.Series["Score"].ChartType = SeriesChartType.Line;

progressChart.Series["Score"].BorderDashStyle = ChartDashStyle.Solid;
progressChart.Series["Score"].BorderWidth = 2;
progressChart.Series["Score"].Color = Color.Blue;

progressChart.Series["Score"].MarkerStyle = MarkerStyle.Circle;
progressChart.Series["Score"].MarkerSize = 6;
progressChart.Series["Score"].MarkerColor = Color.Black;

progressChart.Series["Score"].XValueMember = "X";
progressChart.Series["Score"].YValueMembers = "Y";

progressChart.DataBind();