/// <summary>
/// Handles the locus changing so we display the correct alleles for it
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ddlLocus_SelectedIndexChanged(object sender, EventArgs e)
{
FST.Common.Business_Interface bi = new FST.Common.Business_Interface();
// if the locus is blank, don't show an alleles filter
if (String.IsNullOrEmpty(this.ddlLocus.SelectedValue))
{
this.ddlAlleleNo.Items.Clear();
this.ddlAlleleNo.Items.Add("");
this.ddlAlleleNo.SelectedIndex = 0;
}
else
{ // otherwise, if a locus is selected
// get the alleles for that locus
DataTable dt = bi.GetAlleles(this.ddlLocus.SelectedValue);
this.ddlAlleleNo.DataSource = dt;
// add a blank row
DataRow row = dt.NewRow();
row["FieldName"] = DBNull.Value;
row["FieldValue"] = DBNull.Value;
dt.Rows.Add(row);
// and bind it to the allele drop down
this.ddlAlleleNo.DataTextField = "FieldName";
this.ddlAlleleNo.DataValueField = "FieldValue";
this.ddlAlleleNo.DataBind();
this.ddlAlleleNo.SelectedIndex = 0;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
FST.Common.Business_Interface bi = new FST.Common.Business_Interface();
// load the races (or ethnicities) into the page
DataTable dt = bi.GetRaces();
this.ddlRace.DataSource = dt;
DataRow row = dt.NewRow();
row["FieldName"] = DBNull.Value;
row["FieldValue"] = DBNull.Value;
dt.Rows.Add(row);
this.ddlRace.DataTextField = "FieldName";
this.ddlRace.DataValueField = "FieldValue";
this.ddlRace.DataBind();
this.ddlRace.Text = "";
dt.Clear();
// get the loci (for all lab kits)
dt = bi.GetLocus(Guid.Empty);
this.ddlLocus.DataSource = dt;
row = dt.NewRow();
row["FieldName"] = DBNull.Value;
row["FieldValue"] = DBNull.Value;
dt.Rows.Add(row);
this.ddlLocus.DataTextField = "FieldName";
this.ddlLocus.DataValueField = "FieldValue";
this.ddlLocus.DataBind();
this.ddlLocus.Text = "";
dt.Clear();
// get the alleles for the selected locus
dt = bi.GetAlleles(this.ddlLocus.SelectedValue);
this.ddlAlleleNo.DataSource = dt;
row = dt.NewRow();
row["FieldName"] = DBNull.Value;
row["FieldValue"] = DBNull.Value;
dt.Rows.Add(row);
this.ddlAlleleNo.DataTextField = "FieldName";
this.ddlAlleleNo.DataValueField = "FieldValue";
this.ddlAlleleNo.DataBind();
this.ddlAlleleNo.Text = "";
dt.Clear();
// get the frequencies
dt = bi.GetFrequencyData();
this.gvFreqView.DataSource = dt;
this.gvFreqView.DataBind();
}
}