Datamining Veiwer Client And Chang Ing Taht And Savning The Result Of Prediction Query In Adventure Works Dw Without Wizard

Hi
I have three questions about several topics.
In this code:
public string ConnectionString
{
get
{
return "Provider=MSOLAP.3;Data Source=localhost;Initial Catalog=Adventure Works DW";
}
}

What is data source and initial catalog and what does this code do? And if I want to use other database how can change this code? (This code is for data mining viewer client project)
And in this code:
SqlConnection cn = new SqlConnection("Data Source=localhost;Initial Catalog=AdventureWorks;Integrated Security=True");
SqlCommand cm = new SqlCommand("Select AddressID,AddressLine1 from Person.Address", cn);
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cm;
DataTable dt = new DataTable();
da.Fill(dt);
this.comboBox1.DisplayMember = "AddressLine1";
this.comboBox1.ValueMember = "AddressID";
this.comboBox1.DataSource = dt;

what is comboBox1.DisplayMember and comboBox1.ValueMember ,and what is difference between those ?
and other question:
in adventure works dw project for data mining predicting ,in forecasting model ,if I want to show the result of this query in the combobox in c# how can I show that?
SELECT
PredictTimeSeries(amount)
From
[Forecasting]
And again in this code ,it has a result which has two culomns ,on of them is for amount and other column is for time ,in sql I can save this result in exsiting table or neew table with wizard,but I want to
Do this work in c#,that€™s mean with a adomdconnection I connect to forecasting model and write this query then in a datagridviwe ,Iwant to see the values of prediction in adventure works dw database.
Other question:
In €œdataminingviwerclient€? project I change this code and you can see it,for this code I have a form that give servername and catlogname in that and then with clcking on a button I want to show the chart of model in a child form ,but I can€™t.

public Form1 form1 = new Form1();
public string m_ServerName;
public string m_CatalogName;
public Form3()
{
m_ServerName = "";
m_CatalogName = "";
InitializeComponent();
}


public string ConnectionString
{
get
{
return "Provider=MSOLAP.3;Data Source=localhost;Initial Catalog=Adventure Works DW";
}
}


public void button1_Click(object sender, EventArgs e)
{
connectingtoserver();
AdomdConnection conn = new AdomdConnection();
try
{
this.Cursor = Cursors.WaitCursor;
conn.ConnectionString = this.ConnectionString;
conn.Open();
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Connection Failed");
}
this.Cursor = Cursors.Default;
conn.Close();
ShowModel(panel1, form1.comboBox1.Text);
}


public void connectingtoserver()
{
LoadCatalog();

}
private void LoadCatalog()
{
AdomdConnection conn = null;
try
{
conn = new AdomdConnection(this.ConnectionString);
this.Cursor = Cursors.WaitCursor;
conn.Open();
DataSet ds = conn.GetSchemaDataSet(AdomdSchemaGuid.Catalogs, null);
foreach (DataRow row in ds.Tables[0].Rows)
form1.comboBox1.Items.Add(row[0].ToString());
}
catch (System.Exception)
{
/**/
}
this.Cursor = Cursors.Default;
if (conn != null)
conn.Close();
}

private void ShowModel(Panel panel, string modelName)
{
AdomdConnection conn = new AdomdConnection();
try
{
MiningModelViewerControl viewer = null;
MiningModel model = null;
MiningService service = null;

// Clear any existing controls from the panel
if (panel.HasChildren)
panel.Controls.Clear();

// Connect to server
conn.ConnectionString = ConnectionString;
conn.Open();

// Determine the viewer type based on the model service and
// instantiate the correct viewer
model = conn.MiningModels[modelName];
service = conn.MiningServices[model.Algorithm];
if (service.ViewerType == "Microsoft_TimeSeries_Viewer")
viewer = new TimeSeriesViewer();
else throw new System.Exception("Custom Viewers not supported");

// Set up and load the viewer
viewer.ConnectionString = ConnectionString;
viewer.MiningModelName = modelName;
viewer.Dock = DockStyle.Fill;
panel.Controls.Add(viewer);
viewer.LoadViewerData(null);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Model Load");
}
conn.Close();
when I run this code ,I have one error that say: the €œ object not found parametr name:index
Please see this code and answer my question.
If you just can answer one of my qestions ,please say.
Thanks a lot for your answers.With best wishes for you