protected void GridView_Sorting(object sender, GridViewSortEventArgs e)
{
// dont allow sorting if in edit mode
if (GrdPatientReferrer.EditIndex >= 0)
{
return;
}
DataTable dataTable = Session["patientreferrerhistory_data"] as DataTable;
if (dataTable != null)
{
if (Session["patientreferrerhistory_sortexpression"] == null)
{
Session["patientreferrerhistory_sortexpression"] = "";
}
DataView dataView = new DataView(dataTable);
string[] sortData = Session["patientreferrerhistory_sortexpression"].ToString().Trim().Split(' ');
string newSortExpr = (e.SortExpression == sortData[0] && sortData[1] == "ASC") ? "DESC" : "ASC";
dataView.Sort = e.SortExpression + " " + newSortExpr;
Session["patientreferrerhistory_sortexpression"] = e.SortExpression + " " + newSortExpr;
GrdPatientReferrer.DataSource = dataView;
GrdPatientReferrer.DataBind();
}
}
protected void FillGrid()
{
Patient patient = GetFormPatient();
if (patient == null)
{
SetErrorMessage("Invalid patient id");
return;
}
DataTable dt = PatientReferrerDB.GetDataTable_EPCReferrersOf(patient.PatientID);
Session["patientreferrerhistory_data"] = dt;
if (dt.Rows.Count > 0)
{
if (IsPostBack && Session["patientreferrerhistory_sortexpression"] != null && Session["patientreferrerhistory_sortexpression"].ToString().Length > 0)
{
DataView dataView = new DataView(dt);
dataView.Sort = Session["patientreferrerhistory_sortexpression"].ToString();
GrdPatientReferrer.DataSource = dataView;
}
else
{
GrdPatientReferrer.DataSource = dt;
}
try
{
GrdPatientReferrer.DataBind();
GrdPatientReferrer.PagerSettings.FirstPageText = "1";
GrdPatientReferrer.PagerSettings.LastPageText = GrdPatientReferrer.PageCount.ToString();
GrdPatientReferrer.DataBind();
}
catch (Exception ex)
{
SetErrorMessage(ex.ToString());
}
}
else
{
dt.Rows.Add(dt.NewRow());
GrdPatientReferrer.DataSource = dt;
GrdPatientReferrer.DataBind();
int TotalColumns = GrdPatientReferrer.Rows[0].Cells.Count;
GrdPatientReferrer.Rows[0].Cells.Clear();
GrdPatientReferrer.Rows[0].Cells.Add(new TableCell());
GrdPatientReferrer.Rows[0].Cells[0].ColumnSpan = TotalColumns;
GrdPatientReferrer.Rows[0].Cells[0].Text = "No Record Found";
}
}