protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataTable dt = bi.GetNoOfPersonsInvolved();
            this.ddlNoOfPersons.DataSource = dt;
            DataRow row = dt.NewRow();
            row["FieldName"]  = DBNull.Value;
            row["FieldValue"] = DBNull.Value;
            dt.Rows.Add(row);
            this.ddlNoOfPersons.DataTextField  = "FieldName";
            this.ddlNoOfPersons.DataValueField = "FieldValue";
            this.ddlNoOfPersons.DataBind();
            this.ddlNoOfPersons.Text = "";

            dt.Clear();
            dt = bi.GetDropOutTypes();
            this.ddlDropOutType.DataSource = dt;
            row = dt.NewRow();
            row["FieldName"]  = DBNull.Value;
            row["FieldValue"] = DBNull.Value;
            dt.Rows.Add(row);
            this.ddlDropOutType.DataTextField  = "FieldName";
            this.ddlDropOutType.DataValueField = "FieldValue";
            this.ddlDropOutType.DataBind();
            this.ddlDropOutType.Text = "";

            dt.Clear();
            dt = bi.getDropOutOptions();
            this.ddlDropOutOption.DataSource = dt;
            row = dt.NewRow();
            row["FieldName"]  = DBNull.Value;
            row["FieldValue"] = DBNull.Value;
            dt.Rows.Add(row);
            this.ddlDropOutOption.DataTextField  = "FieldName";
            this.ddlDropOutOption.DataValueField = "FieldValue";
            this.ddlDropOutOption.DataBind();
            this.ddlDropOutOption.Text = "";

            dt.Clear();
            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 = "";

            this.ddlDeducible.Text       = "";
            this.ddlDegradationType.Text = "";


            dt.Clear();
            dt = bi.GetDegradedDropOutData();
            this.gvDropOut.DataSource = dt;
            this.gvDropOut.DataBind();
        }
    }