public static Systemtime GetSystemTime()
{
SqlConnection myconn = null;
Systemtime st = null;
try
{
myconn = new SqlConnection();
SqlCommand comm = new SqlCommand();
myconn.ConnectionString = connectionString;
myconn.Open();
comm.Connection = myconn;
comm.CommandText = "select StartDate, EndDate from SystemDate";
SqlDataReader dr = comm.ExecuteReader();
if (dr.Read())
{
DateTime start = (DateTime)(dr["StartDate"]);
DateTime end = (DateTime)(dr["EndDate"]);
st = new Systemtime(start, end);
}
dr.Close();
}
catch (SqlException)
{
return st;
}
finally
{
myconn.Close();
}
return st;
}
public static bool InsertSystemTime(Systemtime st)
{
SqlConnection myconn = null;
bool result = false;
try
{
myconn = new SqlConnection();
SqlCommand comm = new SqlCommand();
myconn.ConnectionString = connectionString;
myconn.Open();
comm.Connection = myconn;
comm.CommandText = "insert into SystemDate" +
"(StartDate,EndDate) values" +
"(@starttime, @endtime)";
comm.Parameters.AddWithValue("@starttime", st.Startdate);
comm.Parameters.AddWithValue("@endtime", st.Enddate);
int rowsAffected = comm.ExecuteNonQuery();
if (rowsAffected > 0)
{
result = true;
}
}
catch (SqlException)
{
return result;
}
finally
{
myconn.Close();
}
return result;
}
protected void Confirmbtn_Click(object sender, EventArgs e)
{
if (Session["StartDate"] != null && Session["EndDate"] != null)
{
if (SelectStartTbx.Text != "" && SelectEndDateTbx.Text != "")
{
Systemtime snull = dbmanager.GetSystemTime();
if (snull == null)
{
if (Session["Invalid"] == null)
{
DateTime d1 = (DateTime)Session["StartDate"];
DateTime d2 = (DateTime)Session["EndDate"];
Systemtime st = new Systemtime(d1, d2);
bool result = dbmanager.InsertSystemTime(st);
if (result == true)
{
dbmanager.DeletePreviousAllSaved();
Messaglbl.Text = "Dates updated successfully.";
Systemtime sttime = dbmanager.GetSystemTime();
if (sttime != null)
{
startlbl.Text = sttime.Startdate.ToLongDateString();
endlbl.Text = sttime.Enddate.ToLongDateString();
}
else
{
startlbl.Text = "--";
endlbl.Text = "--";
}
}
else
{
Messaglbl.Text = "Fail to update date.";
}
}
}
else
{
if (Session["Invalid"] == null)
{
bool insertresult = false;
DateTime d1 = (DateTime)Session["StartDate"];
DateTime d2 = (DateTime)Session["EndDate"];
Systemtime st = new Systemtime(d1, d2);
bool checkexistmonth = dbmanager.CheckExistMonth(d2);
if (checkexistmonth == false)
{
bool result = dbmanager.DeleteSystemTime();
if (result == true)
{
insertresult = dbmanager.InsertSystemTime(st);
}
}
if (insertresult == true)
{
dbmanager.DeletePreviousAllSaved();
Messaglbl.Text = "Dates updated successfully.";
Systemtime sttime = dbmanager.GetSystemTime();
if (sttime != null)
{
startlbl.Text = sttime.Startdate.ToLongDateString();
endlbl.Text = sttime.Enddate.ToLongDateString();
}
else
{
startlbl.Text = "--";
endlbl.Text = "--";
}
}
else
{
Messaglbl.Text = "Fail to update date. Duplicate month might exist for the appraisal.";
}
}
}
}
else
{
Messaglbl.Text = "The dates are invalid, please reselect the dates.";
}
}
else
{
MessageBoxShow("The dates are invalid, please reselect the dates.");
}
}