public double Calculate()
{
var a = Date1.Split().ToList();
int aYear = int.Parse(a[0]);
int aMonth = int.Parse(a[1]);
int aDay = int.Parse(a[2]);
var b = Date2.Split().ToList();
int bYear = int.Parse(b[0]);
int bMonth = int.Parse(b[1]);
int bDay = int.Parse(b[2]);
DateTime d1 = new DateTime(aYear, aMonth, aDay);
DateTime d2 = new DateTime(bYear, bMonth, bDay);
TimeSpan time = d1 - d2;
return(Math.Abs(time.TotalDays));
}
private void button2_Click(object sender, EventArgs e)
{
Excel.Application ex = new Microsoft.Office.Interop.Excel.Application();
ex.Visible = true;
ex.SheetsInNewWorkbook = 12;
Excel.Workbook workBook = ex.Workbooks.Add(Type.Missing);
ex.DisplayAlerts = false;
var currentYear1 = DateTime.Now.Year;
for (int i = 0; i < 12; i++)
{
Excel.Worksheet sheet = (Excel.Worksheet)ex.Worksheets.get_Item(i + 1);
sheet.StandardWidth = 3;
sheet.Name = months[i];
sheet.Cells[1, 1] = String.Format("Номер отеля | День");
if (months[i] == "01" || months[i] == "03" || months[i] == "05" || months[i] == "07" || months[i] == "08" || months[i] == "10" || months[i] == "12")
{
for (int j = 2; j < 33; j++)
{
sheet.Cells[j] = String.Format("{0}", j - 1);
}
for (int j = 2; j < 17; j++)
{
sheet.Cells[j, 1] = String.Format("{0}", j - 1);
}
}
if (months[i] == "02")
{
for (int j = 2; j < 31; j++)
{
sheet.Cells[j] = String.Format("{0}", j - 1);
}
for (int j = 2; j < 17; j++)
{
sheet.Cells[j, 1] = String.Format("{0}", j - 1);
}
}
if (months[i] == "04" || months[i] == "06" || months[i] == "09" || months[i] == "11")
{
for (int j = 2; j < 32; j++)
{
sheet.Cells[j] = String.Format("{0}", j - 1);
}
for (int j = 2; j < 17; j++)
{
sheet.Cells[j, 1] = String.Format("{0}", j - 1);
}
}
}
SQLiteConnection sql = new SQLiteConnection(@"Data Source=D:\VS\Diplom\Guest.sqlite");
sql.Open();
int count = 0;
SQLiteCommand sc4 = new SQLiteCommand("select count (*) as '" + count + "'from Гости", sql); //кол-во строк в таблице
count = Convert.ToInt32(sc4.ExecuteScalar());
int[] b = new int[count]; //получение id
int o = 0;
SQLiteCommand sc3 = new SQLiteCommand("select id from Гости", sql);
var mas1 = sc3.ExecuteReader();
while (mas1.Read())
{
b[o] = Convert.ToInt32(mas1["id"]);
o++;
}
string Date1, Date2, Number = "";
for (int j = 0; j < count; j++)
{
SQLiteCommand sc = new SQLiteCommand("select Дата_Заезда from Гости where id='" + b[j] + "'", sql);
SQLiteCommand sc1 = new SQLiteCommand("select Дата_Выезда from Гости where id='" + b[j] + "'", sql);
SQLiteCommand sc2 = new SQLiteCommand("select Номер_Комнаты from Гости where id= '" + b[j] + "'", sql);
Date1 = sc.ExecuteScalar().ToString();
Date2 = sc1.ExecuteScalar().ToString();
Number = sc2.ExecuteScalar().ToString();
var currentYear = DateTime.Now.Date;
string[] words = Date1.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries); //разделение даты
string Day = words[0]; string Month = words[1]; string Year = words[2];
words = Date2.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
string Day1 = words[0]; string Month1 = words[1]; string Year1 = words[2];
Excel.Worksheet sheet = (Excel.Worksheet)ex.Worksheets.get_Item(Month);
if (listBox2.SelectedItem.ToString() == currentYear1.ToString())
{
if (Month == Month1)
{
((Excel.Worksheet)ex.Application.ActiveWorkbook.Sheets[Month]).Select();
Excel.Range range2 = ex.get_Range(ex.Cells[Convert.ToInt32(Number) + 1, Convert.ToInt32(Day) + 1], ex.Cells[Convert.ToInt32(Number) + 1, Convert.ToInt32(Day1) + 1]);
range2.Interior.Color = ColorTranslator.ToOle(Color.Blue);
}
else
{
string h = Day1;
for (int a = Convert.ToInt32(Month); a <= Convert.ToInt32(Month1); a++)
{
if (a != Convert.ToInt32(Month1))
{
if (a == 01 || a == 03 || a == 05 || a == 07 || a == 08 || a == 10 || a == 12)
{
Day1 = "31";
}
else if (a == 02)
{
Day1 = "29";
}
else if (a == 04 || a == 06 || a == 09 || a == 11)
{
Day1 = "30";
}
}
((Excel.Worksheet)ex.Application.ActiveWorkbook.Sheets[a]).Select();
Excel.Range range2 = ex.get_Range(ex.Cells[Convert.ToInt32(Number) + 1, Convert.ToInt32(Day) + 1], ex.Cells[Convert.ToInt32(Number) + 1, Convert.ToInt32(Day1) + 1]);
range2.Interior.Color = ColorTranslator.ToOle(Color.Blue);
Day1 = h;
}
}
}
}
sql.Close();
}