protected void filterLoan()
{
// 1.- Get the latest datasource
allLoans = (List <LoanDTO>)ViewState["allLoans"];
// 2.- Filter by Region is value is not -1
if (DropDownSection.SelectedValue != "-1")
{
allLoans = BLoan.FilterBySection(allLoans, DropDownSection.SelectedItem.Text);
}
// 3.- Filter by loan date if it is a valid date
DateTime result;
if (DateTime.TryParse(TextBoxLoan.Text, out result))
{
allLoans = BLoan.filterByLoanDate(allLoans, Convert.ToDateTime(TextBoxLoan.Text));
}
// 4.- Filter by delivery date if it is a valid date
if (DateTime.TryParse(TextBoxDelivery.Text, out result))
{
allLoans = BLoan.filterByDeliveryDate(allLoans, Convert.ToDateTime(TextBoxDelivery.Text));
}
// 5.- Filter by Keyword
allLoans = BLoan.filterByKeyWord(allLoans, TextBoxSearch.Text);
// 6.- Bind grid to datasource and save it in viewstate
ViewState["filterAllLoans"] = allLoans;
GridListLoans.DataSource = allLoans;
GridListLoans.DataBind();
}
protected void fillLoansDTO()
{
// Fill the grid and save it in viewstate
allLoans = DataLibrary.Loan.getAllLoanDTO();
ViewState["allLoans"] = allLoans;
GridListLoans.DataSource = allLoans;
GridListLoans.DataBind();
}
protected void GridListLoans_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridListLoans.PageIndex = e.NewPageIndex;
// Fill the grid
if (ViewState["filterAllLoans"] != null)
{
allLoans = (List <LoanDTO>)ViewState["filterAllLoans"];
GridListLoans.DataSource = allLoans;
GridListLoans.DataBind();
}
else
{
fillLoansDTO();
}
}