private void InitialiseTextBoxes()
{
DateBox.Clear();
DateBox.Enabled = false;
CostBox.Clear();
CostBox.Enabled = false;
NameBox.Clear();
NameBox.Enabled = false;
}
private void button3_Click(object sender, EventArgs e)
{
ClientName.Clear();
ClientSurname.Clear();
ClientPatronymic.Clear();
ClientPhone.Clear();
HouseBox.Clear();
StreetBox.Clear();
CityBox.Clear();
FlatBox.Clear();
CategoryBox.Text = "";
ProductBox.Text = "";
ServiceType.Text = "";
numericUpDown1.Value = 1;
CostBox.Clear();
PreCost.Clear();
dataGridView1.Rows.Clear();
dateTimePicker2.Value = dateTimePicker1.Value;
}
