protected void Page_Load(object sender, EventArgs e)
{
using (Entities db = new Entities())
{
LendingManager lenMan = new LendingManager(db);
List<LendingInfo> lendings = lenMan.GetLendings();
if (lendings.Count == 0)
{
Button1.Visible = false;
}
GridView1.DataSource = lendings;
GridView1.DataBind();
}
}
protected void Return_Click(object sender, EventArgs e)
{
using (Entities db = new Entities())
{
LendingManager lenMan = new LendingManager(db);
List<LendingInfo> lendings = (List<LendingInfo>)GridView1.DataSource;
lenMan.ReturnBook(lendings[GridView1.SelectedIndex].LendId);
lendings = lenMan.GetLendings();
if (lendings.Count == 0)
{
Button1.Visible = false;
}
GridView1.DataSource = lendings;
GridView1.DataBind();
}
}